openct-tasks/_common/modules/ext/zen3d/zen3d.min.js

// github.com/shawn0326/zen-3d
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this.x=(i[0]*t+i[4]*r+i[8]*n+i[12])*a,this.y=(i[1]*t+i[5]*r+i[9]*n+i[13])*a,this.z=(i[2]*t+i[6]*r+i[10]*n+i[14])*a,this},applyMatrix3:function(e){var t=this.x,r=this.y,n=this.z,i=e.elements;return this.x=i[0]*t+i[3]*r+i[6]*n,this.y=i[1]*t+i[4]*r+i[7]*n,this.z=i[2]*t+i[5]*r+i[8]*n,this},transformDirection:function(e){var t=this.x,r=this.y,n=this.z,i=e.elements;return this.x=i[0]*t+i[4]*r+i[8]*n,this.y=i[1]*t+i[5]*r+i[9]*n,this.z=i[2]*t+i[6]*r+i[10]*n,this.normalize()},setFromMatrixPosition:function(e){return this.setFromMatrixColumn(e,3)},setFromMatrixColumn:function(e,t){return this.fromArray(e.elements,4*t)},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this.z=e[t+2],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this},addScalar:function(e){return this.x+=e,this.y+=e,this.z+=e,this},add:function(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this},addScaledVector:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this},sub:function(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this},distanceToSquared:function(e){var t=this.x-e.x,r=this.y-e.y,n=this.z-e.z;return t*t+r*r+n*n},distanceTo:function(e){return Math.sqrt(this.distanceToSquared(e))},setFromSpherical:function(e){var t=Math.sin(e.phi)*e.radius;return this.x=t*Math.sin(e.theta),this.y=Math.cos(e.phi)*e.radius,this.z=t*Math.cos(e.theta),this},project:function(e){return this.applyMatrix4(e.viewMatrix).applyMatrix4(e.projectionMatrix)},unproject:function(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.worldMatrix)},equals:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z},clone:function(){return new le(this.x,this.y,this.z)},applyProjection:function(e){console.error("zen3d.Vector3: .applyProjection has been removed. Use .applyMatrix4 instead.")}}),Object.assign(de.prototype,{set:function(e,t){this.origin.copy(e),this.direction.copy(t)},at:function(e,t){return(t||new le).copy(this.direction).multiplyScalar(e).add(this.origin)},intersectsSphere:(f=new le,function(e,t){f.subVectors(e.center,this.origin);var r=f.dot(this.direction),n=f.dot(f)-r*r,i=e.radius*e.radius;if(i<n)return null;var a=Math.sqrt(i-n),s=r-a,o=r+a;return s<0&&o<0?null:s<0?this.at(o,t):this.at(s,t)}),intersectsBox:function(e,t){var r,n,i,a,s,o,h=1/this.direction.x,c=1/this.direction.y,u=1/this.direction.z,l=this.origin;return n=0<=h?(r=(e.min.x-l.x)*h,(e.max.x-l.x)*h):(r=(e.max.x-l.x)*h,(e.min.x-l.x)*h),(a=0<=c?(i=(e.min.y-l.y)*c,(e.max.y-l.y)*c):(i=(e.max.y-l.y)*c,(e.min.y-l.y)*c))<r||n<i?null:((r<i||r!=r)&&(r=i),(a<n||n!=n)&&(n=a),(o=0<=u?(s=(e.min.z-l.z)*u,(e.max.z-l.z)*u):(s=(e.max.z-l.z)*u,(e.min.z-l.z)*u))<r||n<s?null:((r<s||r!=r)&&(r=s),(o<n||n!=n)&&(n=o),n<0?null:this.at(0<=r?r:n,t)))},intersectTriangle:(u=new le,l=new le,d=new le,p=new le,function(e,t,r,n,i){l.subVectors(t,e),d.subVectors(r,e),p.crossVectors(l,d);var a,s=this.direction.dot(p);if(0<s){if(n)return null;a=1}else{if(!(s<0))return null;a=-1,s=-s}u.subVectors(this.origin,e);var o=a*this.direction.dot(d.crossVectors(u,d));if(o<0)return null;var h=a*this.direction.dot(l.cross(u));if(h<0)return null;if(s<o+h)return null;var c=-a*u.dot(p);return c<0?null:this.at(c/s,i)}),copy:function(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this},applyMatrix4:function(e){return this.direction.add(this.origin).applyMatrix4(e),this.origin.applyMatrix4(e),this.direction.sub(this.origin),this.direction.normalize(),this}}),Object.assign(pe.prototype,{set:function(e,t){this.ray.set(e,t)},setFromCamera:function(e,t,r){"orthographic"==(r=r||"perspective")?(this.ray.origin.set(e.x,e.y,t.projectionMatrix.elements[14]).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.worldMatrix)):(this.ray.origin.setFromMatrixPosition(t.worldMatrix),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize())},intersectObject:function(e,t){var r=[];return _e(e,this,r,t),r.sort(fe),r},intersectObjects:function(e,t){var r=[];if(!1===Array.isArray(e))return console.warn("Raycaster.intersectObjects: objects is not an Array."),r;for(var n=0,i=e.length;n<i;n++)_e(e[n],this,r,t);return r.sort(fe),r}}),Object.assign(me.prototype,{identity:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},set:function(e,t,r,n,i,a,s,o,h,c,u,l,d,p,f,_){var m=this.elements;return m[0]=e,m[4]=t,m[8]=r,m[12]=n,m[1]=i,m[5]=a,m[9]=s,m[13]=o,m[2]=h,m[6]=c,m[10]=u,m[14]=l,m[3]=d,m[7]=p,m[11]=f,m[15]=_,this},copy:function(e){return this.elements.set(e.elements),this},makeTranslation:function(e,t,r){return this.set(1,0,0,e,0,1,0,t,0,0,1,r,0,0,0,1),this},multiply:function(e){return this.multiplyMatrices(this,e)},premultiply:function(e){return this.multiplyMatrices(e,this)},multiplyMatrices:function(e,t){var r=e.elements,n=t.elements,i=this.elements,a=r[0],s=r[4],o=r[8],h=r[12],c=r[1],u=r[5],l=r[9],d=r[13],p=r[2],f=r[6],_=r[10],m=r[14],v=r[3],g=r[7],M=r[11],E=r[15],S=n[0],x=n[4],y=n[8],w=n[12],T=n[1],b=n[5],A=n[9],N=n[13],P=n[2],L=n[6],R=n[10],C=n[14],O=n[3],F=n[7],U=n[11],I=n[15];return i[0]=a*S+s*T+o*P+h*O,i[4]=a*x+s*b+o*L+h*F,i[8]=a*y+s*A+o*R+h*U,i[12]=a*w+s*N+o*C+h*I,i[1]=c*S+u*T+l*P+d*O,i[5]=c*x+u*b+l*L+d*F,i[9]=c*y+u*A+l*R+d*U,i[13]=c*w+u*N+l*C+d*I,i[2]=p*S+f*T+_*P+m*O,i[6]=p*x+f*b+_*L+m*F,i[10]=p*y+f*A+_*R+m*U,i[14]=p*w+f*N+_*C+m*I,i[3]=v*S+g*T+M*P+E*O,i[7]=v*x+g*b+M*L+E*F,i[11]=v*y+g*A+M*R+E*U,i[15]=v*w+g*N+M*C+E*I,this},transpose:function(){var e,t=this.elements;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this},inverse:function(){return this.getInverse(this)},getInverse:function(e){var t=this.elements,r=e.elements,n=r[0],i=r[1],a=r[2],s=r[3],o=r[4],h=r[5],c=r[6],u=r[7],l=r[8],d=r[9],p=r[10],f=r[11],_=r[12],m=r[13],v=r[14],g=r[15],M=d*v*u-m*p*u+m*c*f-h*v*f-d*c*g+h*p*g,E=_*p*u-l*v*u-_*c*f+o*v*f+l*c*g-o*p*g,S=l*m*u-_*d*u+_*h*f-o*m*f-l*h*g+o*d*g,x=_*d*c-l*m*c-_*h*p+o*m*p+l*h*v-o*d*v,y=n*M+i*E+a*S+s*x;if(0==y)return console.warn("can't invert matrix, determinant is 0"),this.identity();var w=1/y;return t[0]=M*w,t[1]=(m*p*s-d*v*s-m*a*f+i*v*f+d*a*g-i*p*g)*w,t[2]=(h*v*s-m*c*s+m*a*u-i*v*u-h*a*g+i*c*g)*w,t[3]=(d*c*s-h*p*s-d*a*u+i*p*u+h*a*f-i*c*f)*w,t[4]=E*w,t[5]=(l*v*s-_*p*s+_*a*f-n*v*f-l*a*g+n*p*g)*w,t[6]=(_*c*s-o*v*s-_*a*u+n*v*u+o*a*g-n*c*g)*w,t[7]=(o*p*s-l*c*s+l*a*u-n*p*u-o*a*f+n*c*f)*w,t[8]=S*w,t[9]=(_*d*s-l*m*s-_*i*f+n*m*f+l*i*g-n*d*g)*w,t[10]=(o*m*s-_*h*s+_*i*u-n*m*u-o*i*g+n*h*g)*w,t[11]=(l*h*s-o*d*s-l*i*u+n*d*u+o*i*f-n*h*f)*w,t[12]=x*w,t[13]=(l*m*a-_*d*a+_*i*p-n*m*p-l*i*v+n*d*v)*w,t[14]=(_*h*a-o*m*a-_*i*c+n*m*c+o*i*v-n*h*v)*w,t[15]=(o*d*a-l*h*a+l*i*c-n*d*c-o*i*p+n*h*p)*w,this},transform:(E=new me,function(e,t,r){var n=r.toMatrix4(E).elements,i=this.elements;return i[0]=n[0]*t.x,i[1]=n[1]*t.x,i[2]=n[2]*t.x,i[3]=0,i[4]=n[4]*t.y,i[5]=n[5]*t.y,i[6]=n[6]*t.y,i[7]=0,i[8]=n[8]*t.z,i[9]=n[9]*t.z,i[10]=n[10]*t.z,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}),makeRotationFromQuaternion:function(e){var t=this.elements,r=e.x,n=e.y,i=e.z,a=e.w,s=r+r,o=n+n,h=i+i,c=r*s,u=r*o,l=r*h,d=n*o,p=n*h,f=i*h,_=a*s,m=a*o,v=a*h;return t[0]=1-(d+f),t[4]=u-v,t[8]=l+m,t[1]=u+v,t[5]=1-(c+f),t[9]=p-_,t[2]=l-m,t[6]=p+_,t[10]=1-(c+d),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this},lookAtRH:(v=new le,g=new le,M=new le,function(e,t,r){var n=this.elements;return M.subVectors(e,t),0===M.getLengthSquared()&&(M.z=1),M.normalize(),v.crossVectors(r,M),0===v.getLengthSquared()&&(1===Math.abs(r.z)?M.x+=1e-4:M.z+=1e-4,M.normalize(),v.crossVectors(r,M)),v.normalize(),g.crossVectors(M,v),n[0]=v.x,n[4]=g.x,n[8]=M.x,n[1]=v.y,n[5]=g.y,n[9]=M.y,n[2]=v.z,n[6]=g.z,n[10]=M.z,this}),decompose:(_=new le,m=new me,function(e,t,r){var n=this.elements,i=_.set(n[0],n[1],n[2]).getLength(),a=_.set(n[4],n[5],n[6]).getLength(),s=_.set(n[8],n[9],n[10]).getLength();this.determinant()<0&&(i=-i),e.x=n[12],e.y=n[13],e.z=n[14],m.elements.set(this.elements);var o=1/i,h=1/a,c=1/s;return m.elements[0]*=o,m.elements[1]*=o,m.elements[2]*=o,m.elements[4]*=h,m.elements[5]*=h,m.elements[6]*=h,m.elements[8]*=c,m.elements[9]*=c,m.elements[10]*=c,t.setFromRotationMatrix(m),r.x=i,r.y=a,r.z=s,this}),determinant:function(){var e=this.elements,t=e[0],r=e[4],n=e[8],i=e[12],a=e[1],s=e[5],o=e[9],h=e[13],c=e[2],u=e[6],l=e[10],d=e[14];return e[3]*(i*o*u-n*h*u-i*s*l+r*h*l+n*s*d-r*o*d)+e[7]*(t*o*d-t*h*l+i*a*l-n*a*d+n*h*c-i*o*c)+e[11]*(t*h*u-t*s*d-i*a*u+r*a*d+i*s*c-r*h*c)+e[15]*(-n*s*c-t*o*u+t*s*l+n*a*u-r*a*l+r*o*c)},fromArray:function(e,t){void 0===t&&(t=0);for(var r=0;r<16;r++)this.elements[r]=e[r+t];return this},getMaxScaleOnAxis:function(){var e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],r=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],n=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,r,n))},toArray:function(e,t){void 0===e&&(e=[]),void 0===t&&(t=0);var r=this.elements;return e[t]=r[0],e[t+1]=r[1],e[t+2]=r[2],e[t+3]=r[3],e[t+4]=r[4],e[t+5]=r[5],e[t+6]=r[6],e[t+7]=r[7],e[t+8]=r[8],e[t+9]=r[9],e[t+10]=r[10],e[t+11]=r[11],e[t+12]=r[12],e[t+13]=r[13],e[t+14]=r[14],e[t+15]=r[15],e}}),ve.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],ve.DefaultOrder="XYZ",Object.defineProperties(ve.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this.onChangeCallback()}},y:{get:function(){return this._y},set:function(e){this._y=e,this.onChangeCallback()}},z:{get:function(){return this._z},set:function(e){this._z=e,this.onChangeCallback()}},order:{get:function(){return this._order},set:function(e){this._order=e,this.onChangeCallback()}}}),Object.assign(ve.prototype,{copyFrom:function(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this.onChangeCallback(),this},set:function(e,t,r,n){return this._x=e||0,this._y=t||0,this._z=r||0,this._order=n||this._order,this.onChangeCallback(),this},setFromRotationMatrix:function(e,t,r){function n(e,t,r){return Math.max(t,Math.min(r,e))}var i=e.elements,a=i[0],s=i[4],o=i[8],h=i[1],c=i[5],u=i[9],l=i[2],d=i[6],p=i[10];return"XYZ"===(t=t||this._order)?(this._y=Math.asin(n(o,-1,1)),Math.abs(o)<.99999?(this._x=Math.atan2(-u,p),this._z=Math.atan2(-s,a)):(this._x=Math.atan2(d,c),this._z=0)):"YXZ"===t?(this._x=Math.asin(-n(u,-1,1)),Math.abs(u)<.99999?(this._y=Math.atan2(o,p),this._z=Math.atan2(h,c)):(this._y=Math.atan2(-l,a),this._z=0)):"ZXY"===t?(this._x=Math.asin(n(d,-1,1)),Math.abs(d)<.99999?(this._y=Math.atan2(-l,p),this._z=Math.atan2(-s,c)):(this._y=0,this._z=Math.atan2(h,a))):"ZYX"===t?(this._y=Math.asin(-n(l,-1,1)),Math.abs(l)<.99999?(this._x=Math.atan2(d,p),this._z=Math.atan2(h,a)):(this._x=0,this._z=Math.atan2(-s,c))):"YZX"===t?(this._z=Math.asin(n(h,-1,1)),Math.abs(h)<.99999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-l,a)):(this._x=0,this._y=Math.atan2(o,p))):"XZY"===t?(this._z=Math.asin(-n(s,-1,1)),Math.abs(s)<.99999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,a)):(this._x=Math.atan2(-u,p),this._y=0)):console.warn("given unsupported order: "+t),this._order=t,!1!==r&&this.onChangeCallback(),this},setFromQuaternion:(S=new me,function(e,t,r){return e.toMatrix4(S),this.setFromRotationMatrix(S,t,r)}),onChange:function(e){return this.onChangeCallback=e,this},onChangeCallback:function(){}}),Object.assign(ge.prototype,{set:function(e,t){return this.x=e||0,this.y=t||0,this},lerpVectors:function(e,t,r){return this.subVectors(t,e).multiplyScalar(r).add(e)},min:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this},max:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this},getLength:function(){return Math.sqrt(this.getLengthSquared())},getLengthSquared:function(){return this.x*this.x+this.y*this.y},normalize:function(e){e=e||1;var t=this.getLength();if(0!=t){var r=e/t;return this.x*=r,this.y*=r,this}},subtract:function(e,t){return(t=t||new ge).set(this.x-e.x,this.y-e.y),t},sub:function(e){return this.x-=e.x,this.y-=e.y,this},copy:function(e){return this.x=e.x,this.y=e.y,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this},multiplyScalar:function(e){return this.x*=e,this.y*=e,this},distanceToSquared:function(e){var t=this.x-e.x,r=this.y-e.y;return t*t+r*r},distanceTo:function(e){return Math.sqrt(this.distanceToSquared(e))},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this},add:function(e){return this.x+=e.x,this.y+=e.y,this},angle:function(){var e=Math.atan2(this.y,this.x);return e<0&&(e+=2*Math.PI),e},clone:function(){return new ge(this.x,this.y)}}),Object.assign(Me.prototype,{lerpVectors:function(e,t,r){return this.subVectors(t,e).multiplyScalar(r).add(e)},set:function(e,t,r,n){return this.x=e||0,this.y=t||0,this.z=r||0,this.w=void 0!==n?n:1,this},normalize:function(){return this.multiplyScalar(1/(this.getLength()||1))},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this},getLengthSquared:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},getLength:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},applyMatrix4:function(e){var t=this.x,r=this.y,n=this.z,i=this.w,a=e.elements;return this.x=a[0]*t+a[4]*r+a[8]*n+a[12]*i,this.y=a[1]*t+a[5]*r+a[9]*n+a[13]*i,this.z=a[2]*t+a[6]*r+a[10]*n+a[14]*i,this.w=a[3]*t+a[7]*r+a[11]*n+a[15]*i,this},equals:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w},add:function(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this},multiply:function(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}}),Object.assign(Ee.prototype,{identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},inverse:function(){return this.getInverse(this)},getInverse:function(e){var t=e.elements,r=this.elements,n=t[0],i=t[1],a=t[2],s=t[3],o=t[4],h=t[5],c=t[6],u=t[7],l=t[8],d=l*o-h*u,p=h*c-l*s,f=u*s-o*c,_=n*d+i*p+a*f;if(0==_){return console.warn("zen3d.Matrix3: .getInverse() can't invert matrix, determinant is 0"),this.identity()}var m=1/_;return r[0]=d*m,r[1]=(a*u-l*i)*m,r[2]=(h*i-a*o)*m,r[3]=p*m,r[4]=(l*n-a*c)*m,r[5]=(a*s-h*n)*m,r[6]=f*m,r[7]=(i*c-u*n)*m,r[8]=(o*n-i*s)*m,this},transpose:function(){var e,t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this},set:function(e,t,r,n,i,a,s,o,h){var c=this.elements;return c[0]=e,c[3]=t,c[6]=r,c[1]=n,c[4]=i,c[7]=a,c[2]=s,c[5]=o,c[8]=h,this},copy:function(e){return this.elements.set(e.elements),this},multiply:function(e){return this.multiplyMatrices(this,e)},premultiply:function(e){return this.multiplyMatrices(e,this)},multiplyMatrices:function(e,t){var r=e.elements,n=t.elements,i=this.elements,a=r[0],s=r[3],o=r[6],h=r[1],c=r[4],u=r[7],l=r[2],d=r[5],p=r[8],f=n[0],_=n[3],m=n[6],v=n[1],g=n[4],M=n[7],E=n[2],S=n[5],x=n[8];return i[0]=a*f+s*v+o*E,i[3]=a*_+s*g+o*S,i[6]=a*m+s*M+o*x,i[1]=h*f+c*v+u*E,i[4]=h*_+c*g+u*S,i[7]=h*m+c*M+u*x,i[2]=l*f+d*v+p*E,i[5]=l*_+d*g+p*S,i[8]=l*m+d*M+p*x,this},transform:function(e,t,r,n,i,a,s){var o=this.elements,h=1,c=0;if(i%360){var u=i;h=Math.cos(u),c=Math.sin(u)}return o[0]=h*r,o[3]=-c*n,o[6]=e,o[1]=c*r,o[4]=h*n,o[7]=t,o[2]=0,o[5]=0,o[8]=1,(a||s)&&(o[6]-=a*o[0]+s*o[3],o[7]-=a*o[1]+s*o[4]),this},setUvTransform:function(e,t,r,n,i,a,s){var o=Math.cos(i),h=Math.sin(i);this.set(r*o,r*h,-r*(o*a+h*s)+a+e,-n*h,n*o,-n*(-h*a+o*s)+s+t,0,0,1)},setFromMatrix4:function(e){var t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}}),Object.defineProperties(Se.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this.onChangeCallback()}},y:{get:function(){return this._y},set:function(e){this._y=e,this.onChangeCallback()}},z:{get:function(){return this._z},set:function(e){this._z=e,this.onChangeCallback()}},w:{get:function(){return this._w},set:function(e){this._w=e,this.onChangeCallback()}}}),Object.assign(Se.prototype,{normalize:function(e){var t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this.onChangeCallback(),this},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},lerpQuaternions:function(e,t,r){var n=e._w,i=e._x,a=e._y,s=e._z,o=t._w,h=t._x,c=t._y,u=t._z,l=n*o+i*h+a*c+s*u;l<0&&(l=-l,o=-o,h=-h,c=-c,u=-u),this._w=n+r*(o-n),this._x=i+r*(h-i),this._y=a+r*(c-a),this._z=s+r*(u-s);var d=1/Math.sqrt(this._w*this._w+this._x*this._x+this._y*this._y+this._z*this._z);return this._w*=d,this._x*=d,this._y*=d,this._z*=d,this.onChangeCallback(),this},slerpQuaternions:function(e,t,r){var n=e._w,i=e._x,a=e._y,s=e._z,o=t._w,h=t._x,c=t._y,u=t._z,l=n*o+i*h+a*c+s*u;if(l<0&&(l=-l,o=-o,h=-h,c=-c,u=-u),l<.95){var d=Math.acos(l),p=1/Math.sin(d),f=Math.sin(d*(1-r))*p,_=Math.sin(d*r)*p;this._w=n*f+o*_,this._x=i*f+h*_,this._y=a*f+c*_,this._z=s*f+u*_}else{this._w=n+r*(o-n),this._x=i+r*(h-i),this._y=a+r*(c-a),this._z=s+r*(u-s);var m=1/Math.sqrt(this._w*this._w+this._x*this._x+this._y*this._y+this._z*this._z);this._w*=m,this._x*=m,this._y*=m,this._z*=m}return this.onChangeCallback(),this},set:function(e,t,r,n){return this._x=e||0,this._y=t||0,this._z=r||0,this._w=void 0!==n?n:1,this.onChangeCallback(),this},copy:function(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=void 0!==e.w?e.w:1,this.onChangeCallback(),this},setFromEuler:function(e,t){var r=Math.cos(e._x/2),n=Math.cos(e._y/2),i=Math.cos(e._z/2),a=Math.sin(e._x/2),s=Math.sin(e._y/2),o=Math.sin(e._z/2),h=e._order;return"XYZ"===h?(this._x=a*n*i+r*s*o,this._y=r*s*i-a*n*o,this._z=r*n*o+a*s*i,this._w=r*n*i-a*s*o):"YXZ"===h?(this._x=a*n*i+r*s*o,this._y=r*s*i-a*n*o,this._z=r*n*o-a*s*i,this._w=r*n*i+a*s*o):"ZXY"===h?(this._x=a*n*i-r*s*o,this._y=r*s*i+a*n*o,this._z=r*n*o+a*s*i,this._w=r*n*i-a*s*o):"ZYX"===h?(this._x=a*n*i-r*s*o,this._y=r*s*i+a*n*o,this._z=r*n*o-a*s*i,this._w=r*n*i+a*s*o):"YZX"===h?(this._x=a*n*i+r*s*o,this._y=r*s*i+a*n*o,this._z=r*n*o-a*s*i,this._w=r*n*i-a*s*o):"XZY"===h&&(this._x=a*n*i-r*s*o,this._y=r*s*i-a*n*o,this._z=r*n*o+a*s*i,this._w=r*n*i+a*s*o),!1!==t&&this.onChangeCallback(),this},setFromRotationMatrix:function(e){var t,r=e.elements,n=r[0],i=r[4],a=r[8],s=r[1],o=r[5],h=r[9],c=r[2],u=r[6],l=r[10],d=n+o+l;return 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this},makeEmpty:function(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this},expandByPoint:function(e){return this.min.min(e),this.max.max(e),this},expandByScalar:function(e){return this.min.addScalar(-e),this.max.addScalar(e),this},expandByBox3:function(e){return this.min.min(e.min),this.max.max(e.max),this},setFromArray:function(e,t){for(var r=1/0,n=1/0,i=1/0,a=-1/0,s=-1/0,o=-1/0,h=void 0!==t?t:3,c=0,u=e.length;c<u;c+=h){var l=e[c],d=e[c+1],p=e[c+2];l<r&&(r=l),d<n&&(n=d),p<i&&(i=p),a<l&&(a=l),s<d&&(s=d),o<p&&(o=p)}return this.min.set(r,n,i),this.max.set(a,s,o),this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},equals:function(e){return e.min.equals(this.min)&&e.max.equals(this.max)},getCenter:function(e){var t=e||new le;return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)},applyMatrix4:(w=[new le,new le,new le,new le,new le,new le,new le,new le],function(e){return this.isEmpty()||(w[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),w[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),w[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),w[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),w[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),w[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),w[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),w[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(w)),this}),copy:function(e){return this.min.copy(e.min),this.max.copy(e.max),this}}),Object.assign(we.prototype,{set:function(e,t){return this.center.copy(e),this.radius=t,this},setFromArray:(T=new ye,b=new le,function(e,t){var r=void 0!==t?t:3,n=this.center;T.setFromArray(e,r).getCenter(n);for(var i=0,a=0,s=e.length;a<s;a+=r){var o=e[a],h=e[a+1],c=e[a+2];b.set(o,h,c),i=Math.max(i,n.distanceToSquared(b))}return this.radius=Math.sqrt(i),this}),applyMatrix4:function(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this},getBoundingBox:function(e){var t=e||new ye;return t.set(this.center,this.center),t.expandByScalar(this.radius),t},clone:function(){return(new we).copy(this)},copy:function(e){return this.center.copy(e.center),this.radius=e.radius,this}}),Object.assign(Te.prototype,{set:function(e,t){return this.normal.copy(e),this.constant=t,this},setComponents:function(e,t,r,n){return this.normal.set(e,t,r),this.constant=n,this},normalize:function(){var e=1/this.normal.getLength();return this.normal.multiplyScalar(e),this.constant*=e,this},distanceToPoint:function(e){return this.normal.dot(e)+this.constant},coplanarPoint:function(e){return(e||new le).copy(this.normal).multiplyScalar(-this.constant)},copy:function(e){return this.normal.copy(e.normal),this.constant=e.constant,this},applyMatrix4:(A=new le,N=new Ee,function(e,t){var r=t||N.setFromMatrix4(e).inverse().transpose(),n=this.coplanarPoint(A).applyMatrix4(e),i=this.normal.applyMatrix3(r).normalize();return this.constant=-n.dot(i),this})}),Object.assign(be.prototype,{set:function(e,t,r,n,i,a){var s=this.planes;return s[0].copy(e),s[1].copy(t),s[2].copy(r),s[3].copy(n),s[4].copy(i),s[5].copy(a),this},setFromMatrix:function(e){var t=this.planes,r=e.elements,n=r[0],i=r[1],a=r[2],s=r[3],o=r[4],h=r[5],c=r[6],u=r[7],l=r[8],d=r[9],p=r[10],f=r[11],_=r[12],m=r[13],v=r[14],g=r[15];return t[0].setComponents(s-n,u-o,f-l,g-_).normalize(),t[1].setComponents(s+n,u+o,f+l,g+_).normalize(),t[2].setComponents(s+i,u+h,f+d,g+m).normalize(),t[3].setComponents(s-i,u-h,f-d,g-m).normalize(),t[4].setComponents(s-a,u-c,f-p,g-v).normalize(),t[5].setComponents(s+a,u+c,f+p,g+v).normalize(),this},intersectsSphere:function(e){for(var t=this.planes,r=e.center,n=-e.radius,i=0;i<6;i++){if(t[i].distanceToPoint(r)<n)return!1}return!0},intersectsBox:(P=new le,L=new le,function(e){for(var t=this.planes,r=0;r<6;r++){var n=t[r];P.x=0<n.normal.x?e.min.x:e.max.x,L.x=0<n.normal.x?e.max.x:e.min.x,P.y=0<n.normal.y?e.min.y:e.max.y,L.y=0<n.normal.y?e.max.y:e.min.y,P.z=0<n.normal.z?e.min.z:e.max.z,L.z=0<n.normal.z?e.max.z:e.min.z;var i=n.distanceToPoint(P),a=n.distanceToPoint(L);if(i<0&&a<0)return!1}return!0}),clone:function(){return(new this.constructor).copy(this)},copy:function(e){for(var t=this.planes,r=0;r<6;r++)t[r].copy(e.planes[r]);return this}}),Object.assign(Ae.prototype,{lerpColors:function(e,t,r){this.r=r*(t.r-e.r)+e.r,this.g=r*(t.g-e.g)+e.g,this.b=r*(t.b-e.b)+e.b},lerp:function(e,t){this.lerpColors(this,e,t)},copy:function(e){return this.r=e.r,this.g=e.g,this.b=e.b,this},setHex:function(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this},setRGB:function(e,t,r){return this.r=e,this.g=t,this.b=r,this},setHSL:function(e,t,r){var n;if(e=(e%(n=1)+n)%n,t=Math.max(0,Math.min(1,t)),r=Math.max(0,Math.min(1,r)),0===t)this.r=this.g=this.b=r;else{var i=r<=.5?r*(1+t):r+t-r*t,a=2*r-i;this.r=Ne(a,i,e+1/3),this.g=Ne(a,i,e),this.b=Ne(a,i,e-1/3)}return this},fromArray:function(e,t){return void 0===t&&(t=0),this.r=e[t],this.g=e[t+1],this.b=e[t+2],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}}),Object.assign(Pe.prototype,{set:function(e,t,r){return this.a.copy(e),this.b.copy(t),this.c.copy(r),this}}),Pe.normal=(R=new le,function(e,t,r,n){var i=n||new le;i.subVectors(r,t),R.subVectors(e,t),i.cross(R);var a=i.getLengthSquared();return 0<a?i.multiplyScalar(1/Math.sqrt(a)):i.set(0,0,0)}),Pe.barycoordFromPoint=(C=new le,O=new le,F=new le,function(e,t,r,n,i){C.subVectors(n,t),O.subVectors(r,t),F.subVectors(e,t);var a=C.dot(C),s=C.dot(O),o=C.dot(F),h=O.dot(O),c=O.dot(F),u=a*h-s*s,l=i||new le;if(0==u)return l.set(-2,-1,-1);var d=1/u,p=(h*o-s*c)*d,f=(a*c-s*o)*d;return l.set(1-p-f,f,p)}),Pe.containsPoint=(U=new le,function(e,t,r,n){var i=Pe.barycoordFromPoint(e,t,r,n,U);return 0<=i.x&&0<=i.y&&i.x+i.y<=1}),Object.assign(Le.prototype,{set:function(e,t){this.posPoints=e,this.ctrlPoints=t,e.length!==t.length&&console.warn("Curve: posPoints and ctrlPoints's length not equal!"),this.segCount=e.length-1},calc:(I=new ge,D=new ge,B=new ge,z=new ge,function(e){for(var t=0;t<this.segCount;t++)if(e>=this.posPoints[t].x&&e<=this.posPoints[t+1].x){I.copy(this.posPoints[t]),B.copy(this.posPoints[t+1]),D.copy(this.ctrlPoints[t]),z.copy(this.ctrlPoints[t+1]);break}return I||I.copy(this.posPoints[this.posPoints.length-1]),D||D.copy(this.ctrlPoints[this.ctrlPoints.length-1]),B.copy(B||I),z.copy(z||D),e=(e-I.x)/(B.x-I.x),this._cubic_bezier(I.y,D.y,z.y,B.y,e)}),averageXSampler:function(e){e<2&&console.warn("Curve: sampler num less than 2!");for(var t=[],r=this.posPoints[0].x,n=this.posPoints[this.posPoints.length-1].x,i=(n-r)/(e-1),a=0,s=0;s<e;s++)a=s===e-1?n:r+s*i,t.push(a,this.calc(a));return t},_cubic_bezier:function(e,t,r,n,i){return e=this._mix(e,t,i),t=this._mix(t,r,i),r=this._mix(r,n,i),e=this._mix(e,t,i),t=this._mix(t,r,i),e=this._mix(e,t,i)},_mix:function(e,t,r){return e*(1-r)+t*r}}),Object.assign(Re.prototype,{set:function(e,t,r){return this.radius=e,this.phi=t,this.theta=r,this},copy:function(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this},clone:function(){return(new this.constructor).copy(this)},makeSafe:function(){return this.phi=Math.max(1e-6,Math.min(Math.PI-1e-6,this.phi)),this},setFromVector3:function(e){return this.radius=e.getLength(),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e.x,e.z),this.phi=Math.acos(Math.min(1,Math.max(-1,e.y/this.radius)))),this}}),Ce.prototype=Object.assign(Object.create(ue.prototype),{constructor:Ce,isTexture:!0,clone:function(){return(new 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t=this.buffer,r=this.valueSize,n=r,i=this.cumulativeWeight;if(0===i){for(var a=0;a!==r;++a)t[n+a]=t[a];i=e}else{var s=e/(i+=e);this._mixBufferFunction(t,n,0,s,r)}this.cumulativeWeight=i},apply:function(){var e=this.buffer,t=this.valueSize,r=this.cumulativeWeight;if(this.cumulativeWeight=0,r<1){var n=2*t;this._mixBufferFunction(e,t,n,1-r,t)}1<this.valueSize?this.target[this.property].fromArray?this.target[this.property].fromArray(e,t):function(e,t,r,n){for(var i=0;i<n;i++)e[i]=t[r+i]}(this.target[this.property],e,t,this.valueSize):this.target[this.property]=e[t]}}),Object.assign(tt.prototype,{add:function(e){if(void 0===this._clips[e.name]){for(var t=e.tracks,r=0;r<t.length;r++){var n,i=t[r],a=i.name;this._bindings[a]?n=this._bindings[a]:(n=new et(i.target,i.propertyPath,i.valueTypeName,i.valueSize),this._bindings[a]=n),n.referenceCount++}this._clips[e.name]=e}else console.warn("AnimationMixer.add: already has clip: "+e.name)},remove:function(e){if(this._clips[e.name]){for(var t=e.tracks,r=0;r<t.length;r++){var n=t[r].name,i=this._bindings[n];i&&i.referenceCount--,i.referenceCount<=0&&delete this._bindings[n]}delete this._clips[e.name]}else console.warn("AnimationMixer.remove: has no clip: "+e.name)},play:function(e,t){if(void 0===this._activeClips[e]){this._activeClips[e]=void 0===t?1:t;var r=this._clips[e];if(r){r.frame=0;for(var n=r.tracks,i=0;i<n.length;i++){var a=n[i].name,s=this._bindings[a];s&&0==s.useCount++&&s.saveOriginalState()}}else console.warn("AnimationMixer.stop: clip "+e+" is not found.")}else console.warn("AnimationMixer.play: clip "+e+" is playing.")},stop:function(e){if(void 0!==this._activeClips[e]){delete this._activeClips[e];var t=this._clips[e];if(t)for(var r=t.tracks,n=0;n<r.length;n++){var i=r[n].name,a=this._bindings[i];a&&0<a.useCount&&0==--a.useCount&&a.restoreOriginalState()}else console.warn("AnimationMixer.stop: clip "+e+" is not found.")}else console.warn("AnimationMixer.stop: clip "+e+" is not playing.")},update:function(e){for(var t in this._activeClips){var r=this._clips[t],n=this._activeClips[t];r.update(e,this._bindings,n)}for(var i in this._bindings)0<this._bindings[i].useCount&&this._bindings[i].apply()},setClipWeight:function(e,t){void 0!==this._activeClips[e]?this._activeClips[e]=t:console.warn("AnimationMixer.stop: clip "+e+" is not playing.")},getAllClipNames:function(){var e=[];for(var t in this._clips)e.push(t);return e}}),Object.assign(rt.prototype,{_getLastTimeIndex:function(e){var t,r=0,n=this.times.length;for(t=0;t<n;t++)e>=this.times[t]&&(r=t);return r},getValue:function(e,t){for(var r,n,i=this._getLastTimeIndex(e),a=this.times,s=this.values,o=this.valueSize,h=a[i],c=a[i+1],u=0;u<o;u++)if(r=s[i*o+u],n=s[(i+1)*o+u],this.interpolant)if(void 0!==r&&void 0!==n){var l=(e-h)/(c-h);t[u]=r*(1-l)+n*l}else t[u]=r;else t[u]=r}}),nt.prototype=Object.assign(Object.create(rt.prototype),{constructor:nt,valueTypeName:"bool",getValue:function(e,t){var r=this._getLastTimeIndex(e),n=this.times[r];t[0]=this.values[n]}}),it.prototype=Object.assign(Object.create(rt.prototype),{constructor:it,valueTypeName:"color"}),Object.assign(at.prototype,{update:function(e,t,r){this.frame+=e,this.frame>this.endFrame&&(this.loop?this.frame=this.startFrame:this.frame=this.endFrame);for(var n=0,i=this.tracks.length;n<i;n++){var a=this.tracks[n],s=t[a.name];a.getValue(this.frame,s.buffer),s.accumulate(r)}}}),st.prototype=Object.assign(Object.create(rt.prototype),{constructor:st,valueTypeName:"number"}),ot.prototype=Object.assign(Object.create(rt.prototype),{constructor:ot,valueTypeName:"quaternion",getValue:function(e,t){var r=this._getLastTimeIndex(e),n=this.times,i=this.values,a=n[r],s=n[r+1],o=0;if(this.interpolant)if(void 0!==s)Se.slerpFlat(t,0,i,4*r,i,4*(r+1),(e-a)/(s-a));else for(o=0;o<4;o++)t[o]=i[4*r+o];else for(o=0;o<4;o++)t[o]=i[4*r+o]}}),ht.prototype=Object.assign(Object.create(rt.prototype),{constructor:ht,valueTypeName:"string",getValue:function(e,t){var r=this._getLastTimeIndex(e),n=this.times[r];t[0]=this.values[n]}}),ct.prototype=Object.assign(Object.create(rt.prototype),{constructor:ct,valueTypeName:"vector"}),Object.assign(ut.prototype,{setArray:function(e){return this.count=void 0!==e?e.length/this.size:0,this.array=e,this},copy:function(e){return this.array=new e.array.constructor(e.array),this.size=e.size,this.count=e.count,this.normalized=e.normalized,this.dynamic=e.dynamic,this},clone:function(){return new this.constructor(this.array,this.size).copy(this)}});var lt=1;function dt(){ue.call(this),Object.defineProperty(this,"id",{value:lt++}),this.uuid=a(),this.attributes={},this.morphAttributes={},this.index=null,this.boundingBox=new ye,this.boundingSphere=new we,this.groups=[]}dt.prototype=Object.assign(Object.create(ue.prototype),{constructor:dt,addAttribute:function(e,t){this.attributes[e]=t},getAttribute:function(e){return this.attributes[e]},removeAttribute:function(e){delete this.attributes[e]},setIndex:function(e){Array.isArray(e)?this.index=new ut(new Uint16Array(e),1):this.index=e},addGroup:function(e,t,r){this.groups.push({start:e,count:t,materialIndex:void 0!==r?r:0})},clearGroups:function(){this.groups=[]},computeBoundingBox:function(){var e=this.attributes.a_Position||this.attributes.position;if(e.isInterleavedBufferAttribute){var t=e.data;this.boundingBox.setFromArray(t.array,t.stride)}else this.boundingBox.setFromArray(e.array,e.size)},computeBoundingSphere:function(){var e=this.attributes.a_Position||this.attributes.position;if(e.isInterleavedBufferAttribute){var t=e.data;this.boundingSphere.setFromArray(t.array,t.stride)}else this.boundingSphere.setFromArray(e.array,e.size)},dispose:function(){this.dispatchEvent({type:"dispose"})},copy:function(e){var t,r,n;this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;var i=e.index;null!==i&&this.setIndex(i.clone());var a=e.attributes;for(t in a){var s=a[t];this.addAttribute(t,s.clone())}var o=e.morphAttributes;for(t in o){var h=[],c=o[t];for(r=0,n=c.length;r<n;r++)h.push(c[r].clone());this.morphAttributes[t]=h}var u=e.groups;for(r=0,n=u.length;r<n;r++){var l=u[r];this.addGroup(l.start,l.count,l.materialIndex)}var d=e.boundingBox;null!==d&&(this.boundingBox=(new ye).copy(d));var p=e.boundingSphere;return null!==p&&(this.boundingSphere=(new we).copy(p)),this},clone:function(){return(new dt).copy(this)}});var pt=function(s){function e(e,t,r,n,i,a){s.call(this),this.buildGeometry(e,t,r,n,i,a)}return s&&(e.__proto__=s),((e.prototype=Object.create(s&&s.prototype)).constructor=e).prototype.buildGeometry=function(e,t,r,n,i,a){var P=this;e=e||1,t=t||1,r=r||1,n=Math.floor(n)||1,i=Math.floor(i)||1,a=Math.floor(a)||1;var L=[],R=[],C=[],O=[],F=0,U=0;function s(e,t,r,n,i,a,s,o,h,c,u){var l,d,p=a/h,f=s/c,_=a/2,m=s/2,v=o/2,g=h+1,M=c+1,E=0,S=0,x=new le;for(d=0;d<M;d++){var y=d*f-m;for(l=0;l<g;l++){var w=l*p-_;x[e]=w*n,x[t]=y*i,x[r]=v,R.push(x.x,x.y,x.z),x[e]=0,x[t]=0,x[r]=0<o?1:-1,C.push(x.x,x.y,x.z),O.push(l/h),O.push(1-d/c),E+=1}}for(d=0;d<c;d++)for(l=0;l<h;l++){var T=F+l+g*d,b=F+l+g*(d+1),A=F+(l+1)+g*(d+1),N=F+(l+1)+g*d;L.push(T,b,N),L.push(b,A,N),S+=6}P.addGroup(U,S,u),U+=S,F+=E}s("z","y","x",-1,-1,r,t,e,a,i,0),s("z","y","x",1,-1,r,t,-e,a,i,1),s("x","z","y",1,1,e,r,t,n,a,2),s("x","z","y",1,-1,e,r,-t,n,a,3),s("x","y","z",1,-1,e,t,r,n,i,4),s("x","y","z",-1,-1,e,t,-r,n,i,5),this.setIndex(L),this.addAttribute("a_Position",new ut(new Float32Array(R),3)),this.addAttribute("a_Normal",new ut(new Float32Array(C),3)),this.addAttribute("a_Uv",new ut(new Float32Array(O),2)),this.computeBoundingBox(),this.computeBoundingSphere()},e}(dt);function ft(e,t,r,n,i,a,s,o){dt.call(this),this.buildGeometry(e,t,r,n,i,a,s,o)}function _t(e,t,r,n){ut.call(this,e,t,r),this.meshPerAttribute=n||1}function mt(){dt.call(this),this.maxInstancedCount=void 0}function vt(e,t){this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.dynamic=!1,this.updateRange={offset:0,count:-1},this.version=0}function gt(e,t,r){vt.call(this,e,t),this.meshPerAttribute=r||1}function Mt(e,t,r,n){this.data=e,this.size=t,this.offset=r,this.normalized=!0===n}function Et(e,t,r,n){dt.call(this),this.buildGeometry(e,t,r,n)}function St(e,t,r,n,i,a,s){dt.call(this),this.buildGeometry(e,t,r,n,i,a,s)}function xt(e,t,r,n,i,a){dt.call(this),this.parameters={radius:e,tube:t,tubularSegments:r,radialSegments:n,p:i,q:a},e=e||1,t=t||.4,r=Math.floor(r)||64,n=Math.floor(n)||8,i=i||2,a=a||3;var s,o,h=[],c=[],u=[],l=[],d=new le,p=new le,f=new le,_=new le,m=new le,v=new le,g=new le;for(s=0;s<=r;++s){var M=s/r*i*Math.PI*2;for(A(M,i,a,e,f),A(.01+M,i,a,e,_),v.subVectors(_,f),g.addVectors(_,f),m.crossVectors(v,g),g.crossVectors(m,v),m.normalize(),g.normalize(),o=0;o<=n;++o){var E=o/n*Math.PI*2,S=-t*Math.cos(E),x=t*Math.sin(E);d.x=f.x+(S*g.x+x*m.x),d.y=f.y+(S*g.y+x*m.y),d.z=f.z+(S*g.z+x*m.z),c.push(d.x,d.y,d.z),p.subVectors(d,f).normalize(),u.push(p.x,p.y,p.z),l.push(s/r),l.push(o/n)}}for(o=1;o<=r;o++)for(s=1;s<=n;s++){var y=(n+1)*(o-1)+(s-1),w=(n+1)*o+(s-1),T=(n+1)*o+s,b=(n+1)*(o-1)+s;h.push(y,w,b),h.push(w,T,b)}function A(e,t,r,n,i){var a=Math.cos(e),s=Math.sin(e),o=r/t*e,h=Math.cos(o);i.x=n*(2+h)*.5*a,i.y=n*(2+h)*s*.5,i.z=n*Math.sin(o)*.5}this.setIndex(h),this.addAttribute("a_Position",new ut(new Float32Array(c),3)),this.addAttribute("a_Normal",new ut(new Float32Array(u),3)),this.addAttribute("a_Uv",new ut(new Float32Array(l),2)),this.computeBoundingBox(),this.computeBoundingSphere()}ft.prototype=Object.assign(Object.create(dt.prototype),{constructor:ft,buildGeometry:function(v,g,M,E,S,e,x,y){var w=this;v=void 0!==v?v:1,g=void 0!==g?g:1,M=M||1,E=Math.floor(E)||8,S=Math.floor(S)||1,e=void 0!==e&&e,x=void 0!==x?x:0,y=void 0!==y?y:2*Math.PI;var T=[],b=[],A=[],N=[],P=0,L=[],R=M/2,C=0;function t(e){var t,r,n,i=new ge,a=new le,s=0,o=!0===e?v:g,h=!0===e?1:-1;for(r=P,t=1;t<=E;t++)b.push(0,R*h,0),A.push(0,h,0),N.push(.5,.5),P++;for(n=P,t=0;t<=E;t++){var c=t/E*y+x,u=Math.cos(c),l=Math.sin(c);a.x=o*l,a.y=R*h,a.z=o*u,b.push(a.x,a.y,a.z),A.push(0,h,0),i.x=.5*u+.5,i.y=.5*l*h+.5,N.push(i.x,i.y),P++}for(t=0;t<E;t++){var d=r+t,p=n+t;!0===e?T.push(p,p+1,d):T.push(p+1,p,d),s+=3}w.addGroup(C,s,!0===e?1:2),C+=s}!function(){var e,t,r=new le,n=new le,i=0,a=(g-v)/M;for(t=0;t<=S;t++){var s=[],o=t/S,h=o*(g-v)+v;for(e=0;e<=E;e++){var c=e/E,u=c*y+x,l=Math.sin(u),d=Math.cos(u);n.x=h*l,n.y=-o*M+R,n.z=h*d,b.push(n.x,n.y,n.z),r.set(l,a,d).normalize(),A.push(r.x,r.y,r.z),N.push(c,1-o),s.push(P++)}L.push(s)}for(e=0;e<E;e++)for(t=0;t<S;t++){var p=L[t][e],f=L[t+1][e],_=L[t+1][e+1],m=L[t][e+1];T.push(p,f,m),T.push(f,_,m),i+=6}w.addGroup(C,i,0),C+=i}(),!1===e&&(0<v&&t(!0),0<g&&t(!1)),this.setIndex(T),this.addAttribute("a_Position",new ut(new Float32Array(b),3)),this.addAttribute("a_Normal",new ut(new Float32Array(A),3)),this.addAttribute("a_Uv",new ut(new Float32Array(N),2)),this.computeBoundingBox(),this.computeBoundingSphere()}}),_t.prototype=Object.assign(Object.create(ut.prototype),{constructor:_t,isInstancedBufferAttribute:!0,copy:function(e){return ut.prototype.copy.call(this,e),this.meshPerAttribute=e.meshPerAttribute,this}}),mt.prototype=Object.assign(Object.create(dt.prototype),{constructor:mt,isInstancedGeometry:!0}),Object.assign(vt.prototype,{setArray:function(e){this.count=void 0!==e?e.length/this.stride:0,this.array=e}}),gt.prototype=Object.assign(Object.create(vt.prototype),{constructor:gt,isInstancedInterleavedBuffer:!0}),Mt.prototype.isInterleavedBufferAttribute=!0,Object.defineProperties(Mt.prototype,{count:{get:function(){return this.data.count}},array:{get:function(){return this.data.array}}}),Et.prototype=Object.assign(Object.create(dt.prototype),{constructor:Et,buildGeometry:function(e,t,r,n){var i,a,s=(e=e||1)/2,o=(t=t||1)/2,h=Math.floor(r)||1,c=Math.floor(n)||1,u=h+1,l=c+1,d=e/h,p=t/c,f=[],_=[],m=[],v=[];for(a=0;a<l;a++){var g=a*p-o;for(i=0;i<u;i++){var M=i*d-s;_.push(M,0,g),m.push(0,1,0),v.push(i/h),v.push(1-a/c)}}for(a=0;a<c;a++)for(i=0;i<h;i++){var E=i+u*a,S=i+u*(a+1),x=i+1+u*(a+1),y=i+1+u*a;f.push(E,S,y),f.push(S,x,y)}this.setIndex(f),this.addAttribute("a_Position",new ut(new Float32Array(_),3)),this.addAttribute("a_Normal",new ut(new Float32Array(m),3)),this.addAttribute("a_Uv",new ut(new Float32Array(v),2)),this.computeBoundingBox(),this.computeBoundingSphere()}}),St.prototype=Object.assign(Object.create(dt.prototype),{constructor:St,buildGeometry:function(e,t,r,n,i,a,s){e=e||1,t=Math.max(3,Math.floor(t)||8),r=Math.max(2,Math.floor(r)||6),n=void 0!==n?n:0,i=void 0!==i?i:2*Math.PI;var o,h,c=(a=void 0!==a?a:0)+(s=void 0!==s?s:Math.PI),u=0,l=[],d=new le,p=new le,f=[],_=[],m=[],v=[];for(h=0;h<=r;h++){var g=[],M=h/r;for(o=0;o<=t;o++){var E=o/t;d.x=-e*Math.cos(n+E*i)*Math.sin(a+M*s),d.y=e*Math.cos(a+M*s),d.z=e*Math.sin(n+E*i)*Math.sin(a+M*s),_.push(d.x,d.y,d.z),p.set(d.x,d.y,d.z).normalize(),m.push(p.x,p.y,p.z),v.push(E,1-M),g.push(u++)}l.push(g)}for(h=0;h<r;h++)for(o=0;o<t;o++){var S=l[h][o+1],x=l[h][o],y=l[h+1][o],w=l[h+1][o+1];(0!==h||0<a)&&f.push(S,x,w),(h!==r-1||c<Math.PI)&&f.push(x,y,w)}this.setIndex(f),this.addAttribute("a_Position",new ut(new Float32Array(_),3)),this.addAttribute("a_Normal",new ut(new Float32Array(m),3)),this.addAttribute("a_Uv",new ut(new Float32Array(v),2)),this.computeBoundingBox(),this.computeBoundingSphere()}}),(xt.prototype=Object.create(dt.prototype)).constructor=xt;var yt=0;function wt(){ue.call(this),Object.defineProperty(this,"id",{value:yt++}),this.type="",this.uuid=a(),this.precision=null,this.opacity=1,this.transparent=!1,this.blending=j.NORMAL,this.blendSrc=W.SRC_ALPHA,this.blendDst=W.ONE_MINUS_SRC_ALPHA,this.blendEquation=X.ADD,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultipliedAlpha=!1,this.vertexColors=he.NONE,this.vertexTangents=!1,this.diffuse=new Ae(16777215),this.diffuseMap=null,this.diffuseMapCoord=0,this.normalMap=null,this.alphaMap=null,this.alphaMapCoord=0,this.aoMap=null,this.aoMapIntensity=1,this.aoMapCoord=0,this.bumpMap=null,this.bumpScale=1,this.envMap=null,this.envMapIntensity=1,this.envMapCombine=se.MULTIPLY,this.emissive=new Ae(0),this.emissiveMap=null,this.emissiveMapCoord=0,this.emissiveIntensity=1,this.depthFunc=te.LEQUAL,this.depthTest=!0,this.depthWrite=!0,this.colorWrite=!0,this.alphaTest=0,this.side=q.FRONT,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.shading=Z.SMOOTH_SHADING,this.dithering=!1,this.acceptLight=!1,this.drawMode=oe.TRIANGLES,this.needsUpdate=!0}function Tt(){wt.call(this),this.type=H.BASIC}function bt(){wt.call(this),this.type=H.LAMBERT,this.acceptLight=!0}function At(){wt.call(this),this.type=H.PHONG,this.shininess=30,this.specular=new Ae(1118481),this.specularMap=null,this.acceptLight=!0}function Nt(){wt.call(this),this.type=H.PBR,this.roughness=.5,this.metalness=.5,this.roughnessMap=null,this.metalnessMap=null,this.acceptLight=!0}function Pt(){wt.call(this),this.type=H.PBR2,this.specular=new Ae(1118481),this.glossiness=.5,this.specularMap=null,this.glossinessMap=null,this.acceptLight=!0}function Lt(){wt.call(this),this.type=H.POINT,this.size=1,this.sizeAttenuation=!0,this.drawMode=oe.POINTS}function Rt(){wt.call(this),this.type=H.LINE,this.lineWidth=1,this.drawMode=oe.LINES}function Ct(e){wt.call(this),this.type=H.SHADER,this.vertexShader=e.vertexShader||"",this.fragmentShader=e.fragmentShader||"",this.defines={},Object.assign(this.defines,e.defines),this.uniforms=c(e.uniforms)}function Ot(){wt.call(this),this.type=H.DEPTH,this.packToRGBA=!1}function Ft(){wt.call(this),this.type=H.DISTANCE}function Ut(n){var i=["","WEBKIT_","MOZ_"],a={};function e(e){if(a[e]||null===a[e])return a[e];var t=null;for(var r in i)if(t=n.getExtension(i[r]+e))break;return a[e]=t}var t=parseFloat(/^WebGL\ ([0-9])/.exec(n.getParameter(n.VERSION))[1]),r=e("EXT_texture_filter_anisotropic");return{version:t,maxPrecision:function(e,t){if("highp"===t){if(0<e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT).precision&&0<e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision)return"highp";t="mediump"}return"mediump"===t&&0<e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT).precision&&0<e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision?"mediump":"lowp"}(n,"highp"),maxTextures:n.getParameter(n.MAX_TEXTURE_IMAGE_UNITS),maxVertexTextures:n.getParameter(n.MAX_VERTEX_TEXTURE_IMAGE_UNITS),maxTextureSize:n.getParameter(n.MAX_TEXTURE_SIZE),maxCubemapSize:n.getParameter(n.MAX_CUBE_MAP_TEXTURE_SIZE),maxVertexUniformVectors:n.getParameter(n.MAX_VERTEX_UNIFORM_VECTORS),lineWidthRange:n.getParameter(n.ALIASED_LINE_WIDTH_RANGE),anisotropyExt:r,maxAnisotropy:null!==r?n.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT):1,maxSamples:1<t?n.getParameter(n.MAX_SAMPLES):1,getExtension:e}}function It(e,t,r,n){var i=new Uint8Array(4),a=e.createTexture();e.bindTexture(t,a),e.texParameteri(t,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(t,e.TEXTURE_MAG_FILTER,e.NEAREST);for(var s=0;s<n;s++)e.texImage2D(r+s,0,e.RGBA,1,1,0,e.RGBA,e.UNSIGNED_BYTE,i);return a}function Dt(a){var t=!1,s=new Me,r=null,o=new Me(0,0,0,0);return{setMask:function(e){r===e||t||(a.colorMask(e,e,e,e),r=e)},setLocked:function(e){t=e},setClear:function(e,t,r,n,i){!0===i&&(e*=n,t*=n,r*=n),s.set(e,t,r,n),!1===o.equals(s)&&(a.clearColor(e,t,r,n),o.copy(s))},getClear:function(){return o},reset:function(){t=!1,r=null,o.set(-1,0,0,0)}}}function Bt(t,r){var n=!1,i=null,a=null,s=null;return{setTest:function(e){e?r.enable(t.DEPTH_TEST):r.disable(t.DEPTH_TEST)},setMask:function(e){i===e||n||(t.depthMask(e),i=e)},setFunc:function(e){a!==e&&(t.depthFunc(e),a=e)},setLocked:function(e){n=e},setClear:function(e){s!==e&&(t.clearDepth(e),s=e)},reset:function(){n=!1,s=a=i=null}}}function zt(n,t){var r=!1,i=null,a=null,s=null,o=null,h=null,c=null,u=null,l=null;return{setTest:function(e){e?t.enable(n.STENCIL_TEST):t.disable(n.STENCIL_TEST)},setMask:function(e){i===e||r||(n.stencilMask(e),i=e)},setFunc:function(e,t,r){a===e&&s===t&&o===r||(n.stencilFunc(e,t,r),a=e,s=t,o=r)},setOp:function(e,t,r){h===e&&c===t&&u===r||(n.stencilOp(e,t,r),h=e,c=t,u=r)},setLocked:function(e){r=e},setClear:function(e){l!==e&&(n.clearStencil(e),l=e)},reset:function(){r=!1,l=u=c=h=o=s=a=i=null}}}function Gt(e,t){this.gl=e,this.capabilities=t,this.colorBuffer=new Dt(e),this.depthBuffer=new Bt(e,this),this.stencilBuffer=new zt(e,this),this.states={},this.currentBlending=null,this.currentBlendEquation=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendEquationAlpha=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipliedAlpha=null,this.currentCullFace=null,this.currentViewport=new Me,this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBuffers={},this.emptyTextures={},this.emptyTextures[e.TEXTURE_2D]=It(e,e.TEXTURE_2D,e.TEXTURE_2D,1),this.emptyTextures[e.TEXTURE_CUBE_MAP]=It(e,e.TEXTURE_CUBE_MAP,e.TEXTURE_CUBE_MAP_POSITIVE_X,6),this.currentFlipSided=!1,this.currentLineWidth=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentProgram=null,this.currentRenderTarget=null,this.colorBuffer.setClear(0,0,0,1),this.depthBuffer.setClear(1),this.stencilBuffer.setClear(0),this.depthBuffer.setTest(!0),this.depthBuffer.setFunc(te.LEQUAL),this.setCullFace(Y.BACK),this.setFlipSided(!1)}function Ht(){this.properties=new WeakMap}function kt(e){return e.wrapS!==ee.CLAMP_TO_EDGE||e.wrapT!==ee.CLAMP_TO_EDGE||e.minFilter!==J.NEAREST&&e.minFilter!==J.LINEAR}function Vt(e){return e===J.NEAREST||e===J.NEAREST_MIPMAP_LINEAR||e===J.NEAREST_MIPMAP_NEAREST?J.NEAREST:J.LINEAR}function jt(e){return o(e.width)&&o(e.height)}function Xt(e){if(e instanceof HTMLImageElement||e instanceof HTMLCanvasElement){var t=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");return t.width=s(e.width),t.height=s(e.height),t.getContext("2d").drawImage(e,0,0,t.width,t.height),console.warn("image is not power of two ("+e.width+"x"+e.height+"). Resized to "+t.width+"x"+t.height,e),t}return e}function Wt(e,t){if(e.width>t||e.height>t){var r=t/Math.max(e.width,e.height),n=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");return n.width=Math.floor(e.width*r),n.height=Math.floor(e.height*r),n.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,n.width,n.height),console.warn("image is too big ("+e.width+"x"+e.height+"). Resized to "+n.width+"x"+n.height,e),n}return e}function Yt(e,t,r,n){this.gl=e,this.state=t,this.properties=r,this.capabilities=n}function qt(e,t,r,n){r.isInterleavedBufferAttribute&&(r=r.data);var i,a,s,o,h,c,u=t.get(r);void 0===u.buffer?function(e,t,r,n){var i=r.array,a=r.dynamic?e.DYNAMIC_DRAW:e.STATIC_DRAW,s=e.createBuffer();e.bindBuffer(n,s),e.bufferData(n,i,a);var o=e.FLOAT;i instanceof Float32Array?o=e.FLOAT:i instanceof Float64Array?console.warn("Unsupported data buffer format: Float64Array."):i instanceof Uint16Array?o=e.UNSIGNED_SHORT:i instanceof Int16Array?o=e.SHORT:i instanceof Uint32Array?o=e.UNSIGNED_INT:i instanceof Int32Array?o=e.INT:i instanceof Int8Array?o=e.BYTE:i instanceof Uint8Array&&(o=e.UNSIGNED_BYTE),t.buffer=s,t.type=o,t.bytesPerElement=i.BYTES_PER_ELEMENT,t.version=r.version}(e,u,r,n):u.version<r.version&&(i=e,a=u.buffer,o=n,h=(s=r).array,c=s.updateRange,i.bindBuffer(o,a),!1===s.dynamic?i.bufferData(o,h,i.STATIC_DRAW):-1===c.count?i.bufferSubData(o,0,h):0===c.count?console.error("updateBuffer: dynamic BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually."):(i.bufferSubData(o,c.offset*h.BYTES_PER_ELEMENT,h.subarray(c.offset,c.offset+c.count)),c.count=-1),u.version=r.version)}function Zt(e,t,r){r.isInterleavedBufferAttribute&&(r=r.data);var n=t.get(r);n.buffer&&e.deleteBuffer(n.buffer),t.delete(r)}function Kt(e,t,r,n){this.gl=e,this.state=t,this.properties=r,this.capabilities=n}wt.prototype=Object.assign(Object.create(ue.prototype),{constructor:wt,copy:function(e){return this.type=e.type,this.precision=e.precision,e.defines&&(this.defines=Object.assign({},e.defines)),this.opacity=e.opacity,this.transparent=e.transparent,this.premultipliedAlpha=e.premultipliedAlpha,this.vertexColors=e.vertexColors,this.diffuse.copy(e.diffuse),this.diffuseMap=e.diffuseMap,this.diffuseMapCoord=e.diffuseMapCoord,this.alphaMap=e.alphaMap,this.alphaMapCoord=e.alphaMapCoord,this.normalMap=e.normalMap,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.aoMapCoord=e.aoMapCoord,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.envMapCombine=e.envMapCombine,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveMapCoord=e.emissiveMapCoord,this.emissiveIntensity=e.emissiveIntensity,this.blending=e.blending,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.colorWrite=e.colorWrite,this.alphaTest=e.alphaTest,this.side=e.side,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.shading=e.shading,this.acceptLight=e.acceptLight,this.drawMode=e.drawMode,this},clone:function(){return(new this.constructor).copy(this)},dispose:function(){this.dispatchEvent({type:"dispose"})}}),(Tt.prototype=Object.create(wt.prototype)).constructor=Tt,(bt.prototype=Object.create(wt.prototype)).constructor=bt,At.prototype=Object.assign(Object.create(wt.prototype),{constructor:At,copy:function(e){return wt.prototype.copy.call(this,e),this.shininess=e.shininess,this.specular.copy(e.specular),this.specularMap=e.specularMap,this}}),Nt.prototype=Object.assign(Object.create(wt.prototype),{constructor:Nt,copy:function(e){return wt.prototype.copy.call(this,e),this.roughness=e.roughness,this.metalness=e.metalness,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this}}),Pt.prototype=Object.assign(Object.create(wt.prototype),{constructor:Pt,copy:function(e){return wt.prototype.copy.call(this,e),this.specular=e.specular,this.glossiness=e.glossiness,this.specularMap=e.specularMap,this.glossinessMap=e.glossinessMap,this}}),Lt.prototype=Object.assign(Object.create(wt.prototype),{constructor:Lt,copy:function(e){return wt.prototype.copy.call(this,e),this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this}}),Rt.prototype=Object.assign(Object.create(wt.prototype),{constructor:Rt,copy:function(e){return wt.prototype.copy.call(this,e),this.lineWidth=e.lineWidth,this}}),Ct.prototype=Object.assign(Object.create(wt.prototype),{constructor:Ct,copy:function(e){return wt.prototype.copy.call(this,e),this.vertexShader=e.vertexShader,this.fragmentShader=e.fragmentShader,this.uniforms=c(e.uniforms),this}}),(Ot.prototype=Object.create(wt.prototype)).constructor=Ot,(Ft.prototype=Object.create(wt.prototype)).constructor=Ft,Object.assign(Gt.prototype,{setBlend:function(e,t,r,n,i,a,s,o){var h=this.gl;e!==j.NONE?this.enable(h.BLEND):this.disable(h.BLEND),e!==j.CUSTOM?(e===this.currentBlending&&o===this.currentPremultipliedAlpha||(e===j.NORMAL&&(o?(h.blendEquationSeparate(h.FUNC_ADD,h.FUNC_ADD),h.blendFuncSeparate(h.ONE,h.ONE_MINUS_SRC_ALPHA,h.ONE,h.ONE_MINUS_SRC_ALPHA)):(h.blendEquationSeparate(h.FUNC_ADD,h.FUNC_ADD),h.blendFuncSeparate(h.SRC_ALPHA,h.ONE_MINUS_SRC_ALPHA,h.ONE,h.ONE_MINUS_SRC_ALPHA))),e===j.ADD&&(o?(h.blendEquationSeparate(h.FUNC_ADD,h.FUNC_ADD),h.blendFuncSeparate(h.ONE,h.ONE,h.ONE,h.ONE)):(h.blendEquation(h.FUNC_ADD),h.blendFunc(h.SRC_ALPHA,h.ONE)))),this.currentBlendEquation=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendEquationAlpha=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null):(i=i||t,a=a||r,s=s||n,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(h.blendEquationSeparate(t,i),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&n===this.currentBlendDst&&a===this.currentBlendSrcAlpha&&s===this.currentBlendDstAlpha||(h.blendFuncSeparate(r,n,a,s),this.currentBlendSrc=r,this.currentBlendDst=n,this.currentBlendSrcAlpha=a,this.currentBlendDstAlpha=s)),this.currentBlending=e,this.currentPremultipliedAlpha=o},setFlipSided:function(e){var t=this.gl;this.currentFlipSided!==e&&(e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e)},setCullFace:function(e){var t=this.gl;e!==Y.NONE?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===Y.BACK?t.cullFace(t.BACK):e===Y.FRONT?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e},viewport:function(e,t,r,n){var i=this.currentViewport;i.x===e&&i.y===t&&i.z===r&&i.w===n||(this.gl.viewport(e,t,r,n),i.set(e,t,r,n))},activeTexture:function(e){var t=this.gl;void 0===e&&(e=t.TEXTURE0+this.capabilities.maxTextures-1),this.currentTextureSlot!==e&&(t.activeTexture(e),this.currentTextureSlot=e)},bindTexture:function(e,t){var r=this.gl;null===this.currentTextureSlot&&this.activeTexture();var n=this.currentBoundTextures[this.currentTextureSlot];void 0===n&&(n={type:void 0,texture:void 0},this.currentBoundTextures[this.currentTextureSlot]=n),n.type===e&&n.texture===t||(r.bindTexture(e,t||this.emptyTextures[e]),n.type=e,n.texture=t)},bindBuffer:function(e,t){var r=this.gl;this.currentBoundBuffers[e]!==t&&(r.bindBuffer(e,t),this.currentBoundBuffers[e]=t)},enable:function(e){!0!==this.states[e]&&(this.gl.enable(e),this.states[e]=!0)},disable:function(e){!1!==this.states[e]&&(this.gl.disable(e),this.states[e]=!1)},setLineWidth:function(e){if(e!==this.currentLineWidth){var t=this.capabilities.lineWidthRange;t[0]<=e&&e<=t[1]?this.gl.lineWidth(e):console.warn("GL_ALIASED_LINE_WIDTH_RANGE is ["+t[0]+","+t[1]+"], but set to "+e+"."),this.currentLineWidth=e}},setPolygonOffset:function(e,t,r){var n=this.gl;e?(this.enable(n.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(n.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(n.POLYGON_OFFSET_FILL)},setProgram:function(e){this.currentProgram!==e&&(this.gl.useProgram(e.program),this.currentProgram=e)}}),Object.assign(Ht.prototype,{get:function(e){var t=this.properties.get(e);return void 0===t&&(t={},this.properties.set(e,t)),t},delete:function(e){this.properties.delete(e)},clear:function(){this.properties=new WeakMap}}),Object.assign(Yt.prototype,{setTexture2D:function(e,t){var r=this.gl,n=this.state,i=this.capabilities;void 0!==t&&(t=r.TEXTURE0+t);var a=this.properties.get(e);if(!e.image||e.image.rtt&&void 0!==t||a.__version===e.version)return n.activeTexture(t),n.bindTexture(r.TEXTURE_2D,a.__webglTexture),a;void 0===a.__webglTexture&&(e.addEventListener("dispose",this.onTextureDispose,this),a.__webglTexture=r.createTexture()),n.activeTexture(t),n.bindTexture(r.TEXTURE_2D,a.__webglTexture);var s=e.image,o=s instanceof HTMLImageElement||s instanceof HTMLCanvasElement;o&&(s=Wt(s,i.maxTextureSize),kt(e)&&!1===jt(s)&&i.version<2&&(s=Xt(s)));var h=!jt(s)&&i.version<2;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,e.flipY),this.setTextureParameters(e,h);var c,u=e.mipmaps,l=e.format,d=e.internalformat||e.format,p=e.type;if(i.version<2?(l!==d&&console.warn("texture format "+l+" not same as internalformat "+d+" in webgl 1.0."),p===$.HALF_FLOAT&&(i.getExtension("OES_texture_half_float")||console.warn("extension OES_texture_half_float is not support in webgl 1.0.")),p===$.FLOAT&&(i.getExtension("OES_texture_float")||console.warn("extension OES_texture_float is not support in webgl 1.0.")),l!==Q.DEPTH_COMPONENT&&l!==Q.DEPTH_STENCIL||i.getExtension("WEBGL_depth_texture")||console.warn("extension WEBGL_depth_texture is not support in webgl 1.0.")):p===$.HALF_FLOAT&&(p=5131),o)if(0<u.length&&!h){for(var f=0,_=u.length;f<_;f++)c=u[f],r.texImage2D(r.TEXTURE_2D,f,d,l,p,c);e.generateMipmaps=!1,a.__maxMipLevel=u.length-1}else r.texImage2D(r.TEXTURE_2D,0,d,l,p,s),a.__maxMipLevel=0;else if(0<u.length&&!h){for(f=0,_=u.length;f<_;f++)c=u[f],r.texImage2D(r.TEXTURE_2D,f,d,c.width,c.height,e.border,l,p,c.data);e.generateMipmaps=!1,a.__maxMipLevel=u.length-1}else r.texImage2D(r.TEXTURE_2D,0,d,s.width,s.height,e.border,l,p,s.data),a.__maxMipLevel=0;return e.generateMipmaps&&!h&&this.generateMipmap(r.TEXTURE_2D,e,s.width,s.height),a.__version=e.version,a},setTextureCube:function(e,t){var r=this.gl,n=this.state,i=this.capabilities;void 0!==t&&(t=r.TEXTURE0+t);var a=this.properties.get(e);if(6!==e.images.length||e.images[0].rtt&&void 0!==t||a.__version===e.version)return n.activeTexture(t),n.bindTexture(r.TEXTURE_CUBE_MAP,a.__webglTexture),a;void 0===a.__webglTexture&&(e.addEventListener("dispose",this.onTextureDispose,this),a.__webglTexture=r.createTexture()),n.activeTexture(t),n.bindTexture(r.TEXTURE_CUBE_MAP,a.__webglTexture);var s,o=[],h=e.mipmaps,c=e.format,u=e.internalformat||e.format,l=e.type;i.version<2?(c!==u&&console.warn("texture format "+c+" not same as internalformat "+u+" in webgl 1.0."),l===$.HALF_FLOAT&&(i.getExtension("OES_texture_half_float")||console.warn("extension OES_texture_half_float is not support in webgl 1.0.")),l===$.FLOAT&&(i.getExtension("OES_texture_float")||console.warn("extension OES_texture_float is not support in webgl 1.0.")),c!==Q.DEPTH_COMPONENT&&c!==Q.DEPTH_STENCIL||i.getExtension("WEBGL_depth_texture")||console.warn("extension WEBGL_depth_texture is not support in webgl 1.0.")):l===$.HALF_FLOAT&&(l=5131);for(var d=!1,p=0;p<6;p++){(_=(f=e.images[p])instanceof HTMLImageElement||f instanceof HTMLCanvasElement)&&(f=Wt(f,i.maxTextureSize),kt(e)&&!1===jt(f)&&i.version<2&&(f=Xt(f))),!jt(f)&&i.version<2&&(d=!0),(o[p]=f).__isElement=_}r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,e.flipY),this.setTextureParameters(e,d);for(p=0;p<6;p++){var f,_;if(_=(f=o[p]).__isElement)if(0<h.length&&!d){for(var m=0,v=h.length;m<v;m++)s=h[m][p],r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+p,0,u,c,l,s);a.__maxMipLevel=h.length-1,e.generateMipmaps=!1}else r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+p,0,u,c,l,f),a.__maxMipLevel=0;else if(0<h.length&&!d){for(m=0,v=h.length;m<v;m++)s=h[m][p],r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+p,m,u,s.width,s.height,e.border,c,l,s.data);a.__maxMipLevel=h.length-1,e.generateMipmaps=!1}else r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+p,0,u,f.width,f.height,e.border,c,l,f.data),a.__maxMipLevel=0}return e.generateMipmaps&&!d&&this.generateMipmap(r.TEXTURE_CUBE_MAP,e,f.width,f.height),a.__version=e.version,a},setTexture3D:function(e,t){var r=this.gl,n=this.state;if(!(this.capabilities.version<2)){void 0!==t&&(t=r.TEXTURE0+t);var i=this.properties.get(e);if(e.image&&i.__version!==e.version){void 0===i.__webglTexture&&(e.addEventListener("dispose",this.onTextureDispose,this),i.__webglTexture=r.createTexture()),n.activeTexture(t),n.bindTexture(r.TEXTURE_3D,i.__webglTexture);var a=e.image;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,e.flipY),this.setTextureParameters(e,!1);var s=e.format,o=e.internalformat||e.format,h=e.type;return r.texImage3D(r.TEXTURE_3D,0,o,a.width,a.height,a.depth,e.border,s,h,a.data),e.generateMipmaps&&this.generateMipmap(r.TEXTURE_3D,e,a.width,a.height),i.__version=e.version,i}return n.activeTexture(t),n.bindTexture(r.TEXTURE_3D,i.__webglTexture),i}console.warn("Try to use Texture3D but browser not support WebGL2.0")},setTextureParameters:function(e,t){var r,n,i,a,s,o,h,c,u=this.gl,l=this.capabilities,d=e.textureType,p=(n=t,i=(r=e).wrapS,a=r.wrapT,s=r.magFilter,o=r.minFilter,h=r.anisotropy,c=r.compare,n&&(i=ee.CLAMP_TO_EDGE,a=ee.CLAMP_TO_EDGE,r.wrapS===ee.CLAMP_TO_EDGE&&r.wrapT===ee.CLAMP_TO_EDGE||console.warn("Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to zen3d.TEXTURE_WRAP.CLAMP_TO_EDGE.",r),s=Vt(r.magFilter),o=Vt(r.minFilter),(r.minFilter!==J.NEAREST&&r.minFilter!==J.LINEAR||r.magFilter!==J.NEAREST&&r.magFilter!==J.LINEAR)&&console.warn("Texture is not power of two. Texture.minFilter and Texture.magFilter should be set to zen3d.TEXTURE_FILTER.NEAREST or zen3d.TEXTURE_FILTER.LINEAR.",r)),[i,a,s,o,h,c]);u.texParameteri(d,u.TEXTURE_WRAP_S,p[0]),u.texParameteri(d,u.TEXTURE_WRAP_T,p[1]),u.texParameteri(d,u.TEXTURE_MAG_FILTER,p[2]),u.texParameteri(d,u.TEXTURE_MIN_FILTER,p[3]);var f=l.anisotropyExt;f&&u.texParameterf(d,f.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(p[4],l.maxAnisotropy)),2<=l.version&&(void 0!==p[5]?(u.texParameteri(d,u.TEXTURE_COMPARE_MODE,u.COMPARE_REF_TO_TEXTURE),u.texParameteri(d,u.TEXTURE_COMPARE_FUNC,p[5])):u.texParameteri(d,u.TEXTURE_COMPARE_MODE,u.NONE))},generateMipmap:function(e,t,r,n){this.gl.generateMipmap(e),this.properties.get(t).__maxMipLevel=Math.log(Math.max(r,n))*Math.LOG2E},onTextureDispose:function(e){var t=this.gl,r=e.target,n=this.properties.get(r);r.removeEventListener("dispose",this.onTextureDispose,this),n.__webglTexture&&t.deleteTexture(n.__webglTexture),this.properties.delete(r)}}),Object.assign(Kt.prototype,{setGeometry:function(e){var t=this.gl,r=this.properties,n=this.properties.get(e);for(var i in n.created||(e.addEventListener("dispose",this.onGeometryDispose,this),n.created=!0,n._vaos={}),null!==e.index&&qt(t,r,e.index,t.ELEMENT_ARRAY_BUFFER),e.attributes)qt(t,r,e.attributes[i],t.ARRAY_BUFFER);for(var i in e.morphAttributes)for(var a=e.morphAttributes[i],s=0,o=a.length;s<o;s++)qt(t,r,a[s],t.ARRAY_BUFFER);return n},onGeometryDispose:function(e){var t=this.gl,r=e.target,n=this.properties.get(r);for(var i in r.removeEventListener("dispose",this.onGeometryDispose,this),null!==r.index&&Zt(t,this.properties,r.index),r.attributes)Zt(t,this.properties,r.attributes[i]);for(var i in r.morphAttributes)for(var a=r.morphAttributes[i],s=0,o=a.length;s<o;s++)Zt(t,this.properties,a[s]);for(var h in n._vaos){var c=n[h];c&&(2<=this.capabilities.version?t.deleteVertexArray(c):t.deleteVertexArrayOES(c))}n._vaos={},n.created=!1,this.properties.delete(r)}});var Qt=new ze;Qt.image={data:new Uint8Array([1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1]),width:2,height:2},Qt.magFilter=J.NEAREST,Qt.minFilter=J.NEAREST,Qt.generateMipmaps=!1,Qt.version++;var $t=new ze;$t.image={data:null,width:2,height:2},$t.version++,$t.type=$.FLOAT_32_UNSIGNED_INT_24_8_REV,$t.format=Q.DEPTH_STENCIL,$t.internalformat=Q.DEPTH32F_STENCIL8,$t.magFilter=J.NEAREST,$t.minFilter=J.NEAREST,$t.compare=te.LESS,$t.generateMipmaps=!1,$t.version++;var Jt=new He,er=new Ge;function tr(){this.seq=[],this.map={}}function rr(e,t){if(e.length===t.length){for(var r=0,n=e.length;r<n;r++)if(e[r]!==t[r])return;return 1}}function nr(e,t){for(var r=0,n=t.length;r<n;r++)e[r]=t[r]}var ir=[];function ar(e,t){var r=ir[t];void 0===r&&(r=new Int32Array(t),ir[t]=r);for(var n=0;n!==t;++n)r[n]=e.allocTexUnit();return r}function sr(e,t){var a=e.gl,s=e.type,o=e.location,h=e.cache;switch(s){case re.FLOAT:e.setValue=function(e){h[0]!==e&&(a.uniform1f(o,e),h[0]=e)},e.set=t?function(e){rr(h,e)||(a.uniform1fv(o,e),nr(h,e))}:e.setValue;break;case re.SAMPLER_2D:case re.SAMPLER_2D_SHADOW:e.setValue=function(e,t){var r=t.allocTexUnit();t.texture.setTexture2D(e||(s===re.SAMPLER_2D_SHADOW?$t:Qt),r),h[0]!==r&&(a.uniform1i(o,r),h[0]=r)},e.set=t?function(e,t){for(var r=e.length,n=ar(t,r),i=0;i!==r;++i)t.texture.setTexture2D(e[i]||(s===re.SAMPLER_2D_SHADOW?$t:Qt),n[i]);rr(h,n)||(a.uniform1iv(o,n),nr(h,n))}:e.setValue;break;case re.SAMPLER_CUBE:case re.SAMPLER_CUBE_SHADOW:e.setValue=function(e,t){var r=t.allocTexUnit();t.texture.setTextureCube(e||er,r),h[0]!==r&&(a.uniform1i(o,r),h[0]=r)},e.set=t?function(e,t){for(var r=e.length,n=ar(t,r),i=0;i!==r;++i)t.texture.setTextureCube(e[i]||er,n[i]);rr(h,n)||(a.uniform1iv(o,n),nr(h,n))}:e.setValue;break;case re.SAMPLER_3D:e.setValue=function(e,t){var r=t.allocTexUnit();t.texture.setTexture3D(e||Jt,r),h[0]!==r&&(a.uniform1i(o,r),h[0]=r)},e.set=t?function(e,t){for(var r=e.length,n=ar(t,r),i=0;i!==r;++i)t.texture.setTexture3D(e[i]||Jt,n[i]);rr(h,n)||(a.uniform1iv(o,n),nr(h,n))}:e.setValue;break;case re.BOOL:case re.INT:e.setValue=function(e){h[0]!==e&&(a.uniform1i(o,e),h[0]=e)},e.set=t?function(e){rr(h,e)||(a.uniform1iv(o,e),nr(h,e))}:e.setValue;break;case re.FLOAT_VEC2:e.setValue=function(e,t){h[0]===e&&h[1]===t||(a.uniform2f(o,e,t),h[0]=e,h[1]=t)},e.set=function(e){rr(h,e)||(a.uniform2fv(o,e),nr(h,e))};break;case re.BOOL_VEC2:case re.INT_VEC2:e.setValue=function(e,t){h[0]===e&&h[1]===t||(a.uniform2i(o,e,t),h[0]=e,h[1]=t)},e.set=function(e){rr(h,e)||(a.uniform2iv(o,e),nr(h,e))};break;case re.FLOAT_VEC3:e.setValue=function(e,t,r){h[0]===e&&h[1]===t&&h[2]===r||(a.uniform3f(o,e,t,r),h[0]=e,h[1]=t,h[2]=r)},e.set=function(e){rr(h,e)||(a.uniform3fv(o,e),nr(h,e))};break;case re.BOOL_VEC3:case re.INT_VEC3:e.setValue=function(e,t,r){h[0]===e&&h[1]===t&&h[2]===r||(a.uniform3i(o,e,t,r),h[0]=e,h[1]=t,h[2]=r)},e.set=function(e){rr(h,e)||(a.uniform3iv(o,e),nr(h,e))};break;case re.FLOAT_VEC4:e.setValue=function(e,t,r,n){h[0]===e&&h[1]===t&&h[2]===r&&h[3]===n||(a.uniform4f(o,e,t,r,n),h[0]=e,h[1]=t,h[2]=r,h[3]=n)},e.set=function(e){rr(h,e)||(a.uniform4fv(o,e),nr(h,e))};break;case re.BOOL_VEC4:case re.INT_VEC4:e.setValue=function(e,t,r,n){h[0]===e&&h[1]===t&&h[2]===r&&h[3]===n||(a.uniform4i(o,e,t,r,n),h[0]=e,h[1]=t,h[2]=r,h[3]=n)},e.set=function(e){rr(h,e)||(a.uniform4iv(o,e),nr(h,e))};break;case re.FLOAT_MAT2:e.setValue=e.set=function(e){rr(h,e)||(a.uniformMatrix2fv(o,!1,e),nr(h,e))};break;case re.FLOAT_MAT3:e.setValue=e.set=function(e){rr(h,e)||(a.uniformMatrix3fv(o,!1,e),nr(h,e))};break;case re.FLOAT_MAT4:e.setValue=e.set=function(e){rr(h,e)||(a.uniformMatrix4fv(o,!1,e),nr(h,e))}}}function or(e,t,r,n){this.gl=e,this.id=t,this.type=r.type,this.location=n,this.setValue=void 0,this.set=void 0,this.cache=[],sr(this)}function hr(e,t,r,n){this.gl=e,this.id=t,this.type=r.type,this.size=r.size,this.location=n,this.setValue=void 0,this.set=void 0,this.cache=[],sr(this,!0)}function cr(e){this.id=e,tr.call(this)}cr.prototype.set=function(e,t){for(var r=this.seq,n=0,i=r.length;n!==i;++n){var a=r[n];a.set(e[a.id],t)}};var ur=/([\w\d_]+)(\])?(\[|\.)?/g;function lr(e,t){e.seq.push(t),e.map[t.id]=t}function dr(e,t,r,n){var i=t.name,a=i.length;for(ur.lastIndex=0;;){var s=ur.exec(i),o=ur.lastIndex,h=s[1],c="]"===s[2],u=s[3];if(c&&(h|=0),void 0===u||"["===u&&o+2===a){lr(n,new(void 0===u?or:hr)(e,h,t,r));break}var l=n.map[h];void 0===l&&lr(n,l=new cr(h)),n=l}}function pr(e,t){tr.call(this);for(var r=e.getProgramParameter(t,e.ACTIVE_UNIFORMS),n=0;n<r;++n){var i=e.getActiveUniform(t,n),a=e.getUniformLocation(t,i.name);dr(e,i,a,this)}}function fr(e,t,r){this.gl=e,this.name=r.name,this.type=r.type,this.size=r.size,this.location=e.getAttribLocation(t,this.name),this.count=0,this.initCount(e),this.format=e.FLOAT,this.initFormat(e)}function _r(e,t,r){var n=e.createShader(t);return e.shaderSource(n,r),e.compileShader(n),e.getShaderParameter(n,e.COMPILE_STATUS)||console.warn("shader not compiled!",e.getShaderInfoLog(n),function(e){for(var t=e.split("\n"),r=0;r<t.length;r++)t[r]=r+1+": "+t[r];return t.join("\n")}(r)),n}pr.prototype.set=function(e,t,r){var n=this.map[e];void 0!==n&&n.set(t,r)},pr.prototype.has=function(e){return!!this.map[e]},Object.assign(fr.prototype,{initCount:function(e){switch(this.type){case ne.FLOAT:case ne.BYTE:case ne.UNSIGNED_BYTE:case ne.UNSIGNED_SHORT:this.count=1;break;case ne.FLOAT_VEC2:this.count=2;break;case ne.FLOAT_VEC3:this.count=3;break;case ne.FLOAT_VEC4:this.count=4}},initFormat:function(e){switch(this.type){case ne.FLOAT:case ne.FLOAT_VEC2:case ne.FLOAT_VEC3:case ne.FLOAT_VEC4:this.format=e.FLOAT;break;case ne.UNSIGNED_BYTE:this.format=e.UNSIGNED_BYTE;break;case ne.UNSIGNED_SHORT:this.format=e.UNSIGNED_SHORT;break;case ne.BYTE:this.format=e.BYTE}}});var mr=0;function vr(e,t,r){this.id=mr++,this.usedTimes=1,this.code="",this.gl=e,this.vshaderSource=t,this.fshaderSource=r;var n,i,a,s,o=_r(e,e.VERTEX_SHADER,this.vshaderSource),h=_r(e,e.FRAGMENT_SHADER,this.fshaderSource);this.program=(i=o,a=h,s=(n=e).createProgram(),n.attachShader(s,i),n.attachShader(s,a),n.linkProgram(s),n.getProgramParameter(s,n.LINK_STATUS)||console.warn("program not linked!",n.getProgramInfoLog(s)),s),this.uniforms=new pr(e,this.program),this.attributes=function(e,t){for(var r={},n=e.getProgramParameter(t,e.ACTIVE_ATTRIBUTES),i=0;i<n;i++){var a=e.getActiveAttrib(t,i),s=a.name,o=new fr(e,t,a);r[s]=o}return r}(e,this.program),e.deleteShader(o),e.deleteShader(h)}vr.prototype.dispose=function(){this.gl.deleteProgram(this.program),this.program=void 0};var gr={alphaTest_frag:"#ifdef ALPHATEST\r\n\r\n\tif ( outColor.a < ALPHATEST ) {\r\n\t\tdiscard;\r\n\t} else {\r\n\t\t// Prevent alpha test edge gradient\r\n\t\toutColor.a = u_Opacity;\r\n\t}\r\n\r\n#endif",ambientlight_pars_frag:"uniform vec3 u_AmbientLightColor;",aoMap_pars_frag:"#ifdef USE_AOMAP\r\n\r\n\tuniform sampler2D aoMap;\r\n\tuniform float aoMapIntensity;\r\n\r\n#endif",begin_frag:"vec4 outColor = vec4(u_Color, u_Opacity);",begin_vert:"vec3 transformed = vec3(a_Position);\r\n#if defined(USE_NORMAL) || defined(USE_ENV_MAP)\r\n    vec3 objectNormal = vec3(a_Normal);\r\n#endif\r\n#ifdef USE_TANGENT\r\n    vec3 objectTangent = vec3(a_Tangent.xyz);\r\n#endif",bsdfs:'// diffuse just use lambert\r\n\r\nvec4 BRDF_Diffuse_Lambert(vec4 diffuseColor) {\r\n    return RECIPROCAL_PI * diffuseColor;\r\n}\r\n\r\n// specular use Cook-Torrance microfacet model, http://ruh.li/GraphicsCookTorrance.html\r\n// About RECIPROCAL_PI: referenced by http://www.joshbarczak.com/blog/?p=272\r\n\r\nvec4 F_Schlick( const in vec4 specularColor, const in float dotLH ) {\r\n\t// Original approximation by Christophe Schlick \'94\r\n\tfloat fresnel = pow( 1.0 - dotLH, 5.0 );\r\n\r\n\t// Optimized variant (presented by Epic at SIGGRAPH \'13)\r\n\t// float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\r\n\r\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\r\n}\r\n\r\n// use blinn phong instead of phong\r\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\r\n    // ( shininess * 0.5 + 1.0 ), three.js do this, but why ???\r\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\r\n}\r\n\r\nfloat G_BlinnPhong_Implicit( ) {\r\n\t// geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\r\n\treturn 0.25;\r\n}\r\n\r\nvec4 BRDF_Specular_BlinnPhong(vec4 specularColor, vec3 N, vec3 L, vec3 V, float shininess) {\r\n    vec3 H = normalize(L + V);\r\n\r\n    float dotNH = saturate(dot(N, H));\r\n    float dotLH = saturate(dot(L, H));\r\n\r\n    vec4 F = F_Schlick(specularColor, dotLH);\r\n\r\n    float G = G_BlinnPhong_Implicit( );\r\n\r\n    float D = D_BlinnPhong(shininess, dotNH);\r\n\r\n    return F * G * D;\r\n}\r\n\r\n// Microfacet Models for Refraction through Rough Surfaces - equation (33)\r\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\r\n// alpha is "roughness squared" in Disney’s reparameterization\r\nfloat D_GGX( const in float alpha, const in float dotNH ) {\r\n\r\n\tfloat a2 = pow2( alpha );\r\n\r\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; // avoid alpha = 0 with dotNH = 1\r\n\r\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\r\n\r\n}\r\n\r\n// Microfacet Models for Refraction through Rough Surfaces - equation (34)\r\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\r\n// alpha is "roughness squared" in Disney’s reparameterization\r\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\r\n\r\n\t// geometry term = G(l)⋅G(v) / 4(n⋅l)(n⋅v)\r\n\r\n\tfloat a2 = pow2( alpha );\r\n\r\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\r\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\r\n\r\n\treturn 1.0 / ( gl * gv );\r\n\r\n}\r\n\r\n// Moving Frostbite to Physically Based Rendering 2.0 - page 12, listing 2\r\n// http://www.frostbite.com/wp-content/uploads/2014/11/course_notes_moving_frostbite_to_pbr_v2.pdf\r\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\r\n\r\n\tfloat a2 = pow2( alpha );\r\n\r\n\t// dotNL and dotNV are explicitly swapped. This is not a mistake.\r\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\r\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\r\n\r\n\treturn 0.5 / max( gv + gl, EPSILON );\r\n}\r\n\r\n// GGX Distribution, Schlick Fresnel, GGX-Smith Visibility\r\nvec4 BRDF_Specular_GGX(vec4 specularColor, vec3 N, vec3 L, vec3 V, float roughness) {\r\n\r\n\tfloat alpha = pow2( roughness ); // UE4\'s roughness\r\n\r\n\tvec3 H = normalize(L + V);\r\n\r\n\tfloat dotNL = saturate( dot(N, L) );\r\n\tfloat dotNV = saturate( dot(N, V) );\r\n\tfloat dotNH = saturate( dot(N, H) );\r\n\tfloat dotLH = saturate( dot(L, H) );\r\n\r\n\tvec4 F = F_Schlick( specularColor, dotLH );\r\n\r\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\r\n\r\n\tfloat D = D_GGX( alpha, dotNH );\r\n\r\n\treturn F * G * D;\r\n\r\n}\r\n\r\n// ref: https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\r\nvec4 BRDF_Specular_GGX_Environment( const in vec3 N, const in vec3 V, const in vec4 specularColor, const in float roughness ) {\r\n\r\n\tfloat dotNV = saturate( dot( N, V ) );\r\n\r\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\r\n\r\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\r\n\r\n\tvec4 r = roughness * c0 + c1;\r\n\r\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\r\n\r\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\r\n\r\n\treturn specularColor * AB.x + AB.y;\r\n\r\n}\r\n\r\n// source: http://simonstechblog.blogspot.ca/2011/12/microfacet-brdf.html\r\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\r\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\r\n}\r\n\r\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\r\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\r\n}',bumpMap_pars_frag:"#ifdef USE_BUMPMAP\r\n\r\n\tuniform sampler2D bumpMap;\r\n\tuniform float bumpScale;\r\n\r\n\t// Derivative maps - bump mapping unparametrized surfaces by Morten Mikkelsen\r\n\t// http://mmikkelsen3d.blogspot.sk/2011/07/derivative-maps.html\r\n\r\n\t// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2)\r\n\r\n\tvec2 dHdxy_fwd(vec2 uv) {\r\n\r\n\t\tvec2 dSTdx = dFdx( uv );\r\n\t\tvec2 dSTdy = dFdy( uv );\r\n\r\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, uv ).x;\r\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, uv + dSTdx ).x - Hll;\r\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, uv + dSTdy ).x - Hll;\r\n\r\n\t\treturn vec2( dBx, dBy );\r\n\r\n\t}\r\n\r\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy) {\r\n\r\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\r\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\r\n\t\tvec3 vN = surf_norm;\t\t// normalized\r\n\r\n\t\tvec3 R1 = cross( vSigmaY, vN );\r\n\t\tvec3 R2 = cross( vN, vSigmaX );\r\n\r\n\t\tfloat fDet = dot( vSigmaX, R1 );\r\n\r\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\r\n\r\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\r\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\r\n\r\n\t}\r\n\r\n#endif\r\n",clippingPlanes_frag:"#if NUM_CLIPPING_PLANES > 0\r\n\r\n    vec4 plane;\r\n\r\n    #pragma unroll_loop\r\n    for ( int i = 0; i < NUM_CLIPPING_PLANES; i ++ ) {\r\n\r\n        plane = clippingPlanes[ i ];\r\n        if ( dot( -v_modelPos, plane.xyz ) > plane.w ) discard;\r\n\r\n    }\r\n\r\n#endif",clippingPlanes_pars_frag:"#if NUM_CLIPPING_PLANES > 0\r\n    uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\r\n#endif",color_frag:"#ifdef USE_VCOLOR_RGB\r\n    outColor.rgb *= v_Color;\r\n#endif\r\n#ifdef USE_VCOLOR_RGBA\r\n    outColor *= v_Color;\r\n#endif",color_pars_frag:"#ifdef USE_VCOLOR_RGB\r\n    varying vec3 v_Color;\r\n#endif\r\n#ifdef USE_VCOLOR_RGBA\r\n    varying vec4 v_Color;\r\n#endif",color_pars_vert:"#ifdef USE_VCOLOR_RGB\r\n    attribute vec3 a_Color;\r\n    varying vec3 v_Color;\r\n#endif\r\n#ifdef USE_VCOLOR_RGBA\r\n    attribute vec4 a_Color;\r\n    varying vec4 v_Color;\r\n#endif",color_vert:"#if defined(USE_VCOLOR_RGB) || defined(USE_VCOLOR_RGBA)\r\n    v_Color = a_Color;\r\n#endif",common_frag:"uniform mat4 u_View;\r\n\r\nuniform float u_Opacity;\r\nuniform vec3 u_Color;\r\n\r\nuniform vec3 u_CameraPosition;",common_vert:"attribute vec3 a_Position;\r\nattribute vec3 a_Normal;\r\n#ifdef USE_TANGENT\r\n\tattribute vec4 a_Tangent;\r\n#endif\r\n\r\n#include <transpose>\r\n#include <inverse>\r\n\r\nuniform mat4 u_Projection;\r\nuniform mat4 u_View;\r\nuniform mat4 u_Model;\r\n\r\nuniform vec3 u_CameraPosition;\r\n\r\n#ifdef USE_MORPHTARGETS\r\n\r\n    attribute vec3 morphTarget0;\r\n    attribute vec3 morphTarget1;\r\n    attribute vec3 morphTarget2;\r\n    attribute vec3 morphTarget3;\r\n\r\n    #ifdef USE_MORPHNORMALS\r\n\r\n    \tattribute vec3 morphNormal0;\r\n    \tattribute vec3 morphNormal1;\r\n    \tattribute vec3 morphNormal2;\r\n    \tattribute vec3 morphNormal3;\r\n\r\n    #else\r\n\r\n    \tattribute vec3 morphTarget4;\r\n    \tattribute vec3 morphTarget5;\r\n    \tattribute vec3 morphTarget6;\r\n    \tattribute vec3 morphTarget7;\r\n\r\n    #endif\r\n\r\n#endif",diffuseMap_frag:"#ifdef USE_DIFFUSE_MAP\r\n    #if (USE_DIFFUSE_MAP == 1)\r\n        vec4 texelColor = texture2D( diffuseMap, v_Uv );\r\n    #elif (USE_DIFFUSE_MAP == 2)\r\n        vec4 texelColor = texture2D( diffuseMap, v_Uv2 );\r\n    #else \r\n        vec4 texelColor = texture2D( diffuseMap, v_Uv );\r\n    #endif\r\n    \r\n    texelColor = mapTexelToLinear( texelColor );\r\n\r\n    outColor *= texelColor;\r\n#endif",diffuseMap_pars_frag:"#ifdef USE_DIFFUSE_MAP\r\n    uniform sampler2D diffuseMap;\r\n#endif",directlight_pars_frag:"struct DirectLight\r\n{\r\n    vec3 direction;\r\n    vec4 color;\r\n\r\n    int shadow;\r\n    float shadowBias;\r\n    float shadowRadius;\r\n    vec2 shadowMapSize;\r\n};\r\nuniform DirectLight u_Directional[NUM_DIR_LIGHTS];",emissiveMap_frag:"#ifdef USE_EMISSIVEMAP\r\n\r\n\t#if (USE_EMISSIVEMAP == 1)\r\n\t\tvec4 emissiveColor = texture2D(emissiveMap, v_Uv);\r\n\t#elif (USE_EMISSIVEMAP == 2)\r\n        vec4 emissiveColor = texture2D(emissiveMap, v_Uv2);\r\n    #else \r\n        vec4 emissiveColor = texture2D(emissiveMap, v_Uv);\r\n    #endif\r\n\r\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\r\n\r\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\r\n\r\n#endif",emissiveMap_pars_frag:"#ifdef USE_EMISSIVEMAP\r\n\r\n\tuniform sampler2D emissiveMap;\r\n\r\n#endif",encodings_frag:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_frag:"// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\r\n\r\nvec4 LinearToLinear( in vec4 value ) {\r\n\treturn value;\r\n}\r\n\r\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\r\n\treturn vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\r\n}\r\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\r\n\treturn vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\r\n}\r\n\r\nvec4 sRGBToLinear( in vec4 value ) {\r\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\r\n}\r\nvec4 LinearTosRGB( in vec4 value ) {\r\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.w );\r\n}\r\n\r\nvec4 RGBEToLinear( in vec4 value ) {\r\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\r\n}\r\nvec4 LinearToRGBE( in vec4 value ) {\r\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\r\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\r\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\r\n//  return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\r\n}\r\n\r\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\r\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\r\n\treturn vec4( value.xyz * value.w * maxRange, 1.0 );\r\n}\r\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\r\n\tfloat maxRGB = max( value.x, max( value.g, value.b ) );\r\n\tfloat M      = clamp( maxRGB / maxRange, 0.0, 1.0 );\r\n\tM            = ceil( M * 255.0 ) / 255.0;\r\n\treturn vec4( value.rgb / ( M * maxRange ), M );\r\n}\r\n\r\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\r\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\r\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\r\n}\r\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\r\n\tfloat maxRGB = max( value.x, max( value.g, value.b ) );\r\n\tfloat D      = max( maxRange / maxRGB, 1.0 );\r\n\tD            = min( floor( D ) / 255.0, 1.0 );\r\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\r\n}\r\n\r\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\r\n\r\n// M matrix, for encoding\r\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\r\nvec4 LinearToLogLuv( in vec4 value )  {\r\n\tvec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\r\n\tXp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\r\n\tvec4 vResult;\r\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\r\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\r\n\tvResult.w = fract(Le);\r\n\tvResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\r\n\treturn vResult;\r\n}\r\n\r\n// Inverse M matrix, for decoding\r\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\r\nvec4 LogLuvToLinear( in vec4 value ) {\r\n\tfloat Le = value.z * 255.0 + value.w;\r\n\tvec3 Xp_Y_XYZp;\r\n\tXp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\r\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\r\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\r\n\tvec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\r\n\treturn vec4( max(vRGB, 0.0), 1.0 );\r\n}\r\n",end_frag:"gl_FragColor = outColor;",envMap_frag:"#ifdef USE_ENV_MAP\r\n\r\n    vec3 envDir;\r\n    #if defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP)\r\n        envDir = reflect(normalize(v_worldPos - u_CameraPosition), N);\r\n    #else\r\n        envDir = v_EnvPos;\r\n    #endif\r\n\r\n    vec4 envColor = textureCube(envMap, envDir);\r\n\r\n    envColor = envMapTexelToLinear( envColor );\r\n\r\n    #ifdef ENVMAP_BLENDING_MULTIPLY\r\n\t\toutColor = mix(outColor, envColor * outColor, u_EnvMap_Intensity);\r\n\t#elif defined( ENVMAP_BLENDING_MIX )\r\n\t\toutColor = mix(outColor, envColor, u_EnvMap_Intensity);\r\n\t#elif defined( ENVMAP_BLENDING_ADD )\r\n\t\toutColor += envColor * u_EnvMap_Intensity;\r\n\t#endif\r\n#endif",envMap_pars_frag:"#ifdef USE_ENV_MAP\r\n    #if defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP)\r\n        varying vec3 v_worldPos;\r\n    #else\r\n        varying vec3 v_EnvPos;\r\n    #endif\r\n    uniform samplerCube envMap;\r\n    uniform float u_EnvMap_Intensity;\r\n    uniform int maxMipLevel;\r\n#endif",envMap_pars_vert:"#ifdef USE_ENV_MAP\r\n    #if defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP)\r\n        varying vec3 v_worldPos;\r\n    #else\r\n        varying vec3 v_EnvPos;\r\n    #endif\r\n#endif",envMap_vert:"#ifdef USE_ENV_MAP\r\n    #if defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP)\r\n        v_worldPos = (u_Model * vec4(transformed, 1.0)).xyz;\r\n    #else\r\n        v_EnvPos = reflect(normalize((u_Model * vec4(transformed, 1.0)).xyz - u_CameraPosition), (transposeMat4(inverseMat4(u_Model)) * vec4(objectNormal, 1.0)).xyz);\r\n    #endif\r\n#endif",fog_frag:"#ifdef USE_FOG\r\n\r\n    float depth = gl_FragCoord.z / gl_FragCoord.w;\r\n\r\n    #ifdef USE_EXP2_FOG\r\n\r\n        float fogFactor = whiteCompliment( exp2( - u_FogDensity * u_FogDensity * depth * depth * LOG2 ) );\r\n\r\n    #else\r\n\r\n        float fogFactor = smoothstep( u_FogNear, u_FogFar, depth );\r\n\r\n    #endif\r\n\r\n    gl_FragColor.rgb = mix( gl_FragColor.rgb, u_FogColor, fogFactor );\r\n\r\n#endif",fog_pars_frag:"#ifdef USE_FOG\r\n\r\n    uniform vec3 u_FogColor;\r\n\r\n    #ifdef USE_EXP2_FOG\r\n\r\n        uniform float u_FogDensity;\r\n\r\n    #else\r\n\r\n        uniform float u_FogNear;\r\n        uniform float u_FogFar;\r\n    #endif\r\n\r\n#endif",inverse:"mat4 inverseMat4(mat4 m) {\r\n    float\r\n    a00 = m[0][0], a01 = m[0][1], a02 = m[0][2], a03 = m[0][3],\r\n    a10 = m[1][0], a11 = m[1][1], a12 = m[1][2], a13 = m[1][3],\r\n    a20 = m[2][0], a21 = m[2][1], a22 = m[2][2], a23 = m[2][3],\r\n    a30 = m[3][0], a31 = m[3][1], a32 = m[3][2], a33 = m[3][3],\r\n    b00 = a00 * a11 - a01 * a10,\r\n    b01 = a00 * a12 - a02 * a10,\r\n    b02 = a00 * a13 - a03 * a10,\r\n    b03 = a01 * a12 - a02 * a11,\r\n    b04 = a01 * a13 - a03 * a11,\r\n    b05 = a02 * a13 - a03 * a12,\r\n    b06 = a20 * a31 - a21 * a30,\r\n    b07 = a20 * a32 - a22 * a30,\r\n    b08 = a20 * a33 - a23 * a30,\r\n    b09 = a21 * a32 - a22 * a31,\r\n    b10 = a21 * a33 - a23 * a31,\r\n    b11 = a22 * a33 - a23 * a32,\r\n    det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\r\n    return mat4(\r\n        a11 * b11 - a12 * b10 + a13 * b09,\r\n        a02 * b10 - a01 * b11 - a03 * b09,\r\n        a31 * b05 - a32 * b04 + a33 * b03,\r\n        a22 * b04 - a21 * b05 - a23 * b03,\r\n        a12 * b08 - a10 * b11 - a13 * b07,\r\n        a00 * b11 - a02 * b08 + a03 * b07,\r\n        a32 * b02 - a30 * b05 - a33 * b01,\r\n        a20 * b05 - a22 * b02 + a23 * b01,\r\n        a10 * b10 - a11 * b08 + a13 * b06,\r\n        a01 * b08 - a00 * b10 - a03 * b06,\r\n        a30 * b04 - a31 * b02 + a33 * b00,\r\n        a21 * b02 - a20 * b04 - a23 * b00,\r\n        a11 * b07 - a10 * b09 - a12 * b06,\r\n        a00 * b09 - a01 * b07 + a02 * b06,\r\n        a31 * b01 - a30 * b03 - a32 * b00,\r\n        a20 * b03 - a21 * b01 + a22 * b00) / det;\r\n}",light_frag:"#ifdef USE_LIGHT\r\n    vec4 light;\r\n    vec3 L;\r\n\r\n    vec4 totalReflect = vec4(0., 0., 0., 0.); // direct light\r\n\r\n    // https://computergraphics.stackexchange.com/questions/7503/what-is-the-difference-between-radiance-and-irradiance-in-brdf\r\n    vec3 indirectIrradiance = vec3(0., 0., 0.); // for indirect diffuse\r\n    vec3 indirectRadiance = vec3(0., 0., 0.); // for indirect specular\r\n\r\n    #ifdef USE_PBR\r\n        #ifdef USE_PBR2\r\n            vec4 diffuseColor = outColor.xyzw;\r\n            vec4 specularColor = vec4(specularFactor.rgb, 1.);\r\n\t\t\tfloat roughness = clamp(1.0 - glossinessFactor, 0.04, 1.0);\r\n         #else\r\n            vec4 diffuseColor = outColor.xyzw * (1.0 - metalnessFactor);\r\n            vec4 specularColor = mix(vec4(0.04), outColor.xyzw, metalnessFactor);\r\n            float roughness = clamp(roughnessFactor, 0.04, 1.0);\r\n         #endif\r\n    #else\r\n        vec4 diffuseColor = outColor.xyzw;\r\n        #ifdef USE_PHONG\r\n            vec4 specularColor = vec4(u_SpecularColor, 1.);\r\n            float shininess = u_Specular;\r\n        #endif\r\n    #endif\r\n\r\n    #ifdef USE_AMBIENT_LIGHT\r\n        indirectIrradiance += u_AmbientLightColor;\r\n    #endif\r\n\r\n    // TODO light map\r\n\r\n    #ifdef USE_PBR\r\n        #ifdef USE_ENV_MAP\r\n    \t\tvec3 envDir;\r\n    \t    #if defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP)\r\n    \t        envDir = reflect(normalize(v_worldPos - u_CameraPosition), N);\r\n    \t    #else\r\n    \t        envDir = v_EnvPos;\r\n    \t    #endif\r\n            indirectIrradiance += getLightProbeIndirectIrradiance(maxMipLevel, envDir);\r\n            indirectRadiance += getLightProbeIndirectRadiance(GGXRoughnessToBlinnExponent(roughness), maxMipLevel, envDir);\r\n    \t#endif\r\n    #endif\r\n\r\n    #if (defined(USE_PHONG) || defined(USE_PBR))\r\n        vec3 V = normalize( u_CameraPosition - v_modelPos );\r\n    #endif\r\n\r\n    float dotNL;\r\n    vec4 irradiance;\r\n    vec4 reflectLight;\r\n    float dist;\r\n\r\n    #if NUM_DIR_LIGHTS > 0\r\n\r\n        #pragma unroll_loop\r\n        for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\r\n            L = -u_Directional[ i ].direction;\r\n            light = u_Directional[ i ].color;\r\n            L = normalize(L);\r\n\r\n            dotNL = saturate( dot(N, L) );\r\n            irradiance = light * dotNL;\r\n\r\n            #if NUM_DIR_SHADOWS > 0\r\n                #ifdef USE_PCSS_SOFT_SHADOW\r\n                    irradiance *= bool( u_Directional[ i ].shadow ) ? getShadowWithPCSS( directionalDepthMap[ i ], directionalShadowMap[ i ], vDirectionalShadowCoord[ i ], u_Directional[ i ].shadowBias, u_Directional[ i ].shadowRadius, u_Directional[ i ].shadowMapSize ) : 1.0;\r\n                #else\r\n                    irradiance *= bool( u_Directional[ i ].shadow ) ? getShadow( directionalShadowMap[ i ], vDirectionalShadowCoord[ i ], u_Directional[ i ].shadowBias, u_Directional[ i ].shadowRadius, u_Directional[ i ].shadowMapSize ) : 1.0;\r\n                #endif\r\n            #endif\r\n\r\n            // #ifndef USE_PBR\r\n            //     irradiance *= PI;\r\n            // #endif\r\n\r\n            reflectLight = irradiance * BRDF_Diffuse_Lambert(diffuseColor);\r\n\r\n            #ifdef USE_PHONG\r\n                reflectLight += irradiance * BRDF_Specular_BlinnPhong(specularColor, N, L, V, shininess) * specularStrength;\r\n            #endif\r\n\r\n            #ifdef USE_PBR\r\n                reflectLight += irradiance * BRDF_Specular_GGX(specularColor, N, L, V, roughness);\r\n            #endif\r\n\r\n            totalReflect += reflectLight;\r\n        }\r\n\r\n    #endif\r\n\r\n    #if NUM_POINT_LIGHTS > 0\r\n        vec3 worldV;\r\n\r\n        #pragma unroll_loop\r\n        for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\r\n            L = u_Point[ i ].position - v_modelPos;\r\n            dist = pow(clamp(1. - length(L) / u_Point[ i ].distance, 0.0, 1.0), u_Point[ i ].decay);\r\n            light = u_Point[ i ].color * dist;\r\n            L = normalize(L);\r\n\r\n            dotNL = saturate( dot(N, L) );\r\n            irradiance = light * dotNL;\r\n\r\n            // #ifndef USE_PBR\r\n            //     irradiance *= PI;\r\n            // #endif\r\n\r\n            #if NUM_POINT_SHADOWS > 0\r\n                worldV = v_modelPos - u_Point[ i ].position;\r\n                irradiance *= bool( u_Point[ i ].shadow ) ? getPointShadow( pointShadowMap[ i ], worldV, u_Point[ i ].shadowBias, u_Point[ i ].shadowRadius, u_Point[ i ].shadowMapSize, u_Point[ i ].shadowCameraNear, u_Point[ i ].shadowCameraFar ) : 1.0;\r\n            #endif\r\n\r\n            reflectLight = irradiance * BRDF_Diffuse_Lambert(diffuseColor);\r\n\r\n            #ifdef USE_PHONG\r\n                reflectLight += irradiance * BRDF_Specular_BlinnPhong(specularColor, N, L, V, shininess) * specularStrength;\r\n            #endif\r\n\r\n            #ifdef USE_PBR\r\n                reflectLight += irradiance * BRDF_Specular_GGX(specularColor, N, L, V, roughness);\r\n            #endif\r\n\r\n            totalReflect += reflectLight;\r\n        }\r\n\r\n    #endif\r\n\r\n    #if NUM_SPOT_LIGHTS > 0\r\n        float lightDistance;\r\n        float angleCos;\r\n        float spotEffect;\r\n\r\n        #pragma unroll_loop\r\n        for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\r\n            L = u_Spot[ i ].position - v_modelPos;\r\n            lightDistance = length(L);\r\n            L = normalize(L);\r\n            angleCos = dot( L, -normalize(u_Spot[ i ].direction) );\r\n\r\n            if( all( bvec2(angleCos > u_Spot[ i ].coneCos, lightDistance < u_Spot[ i ].distance) ) ) {\r\n\r\n                spotEffect = smoothstep( u_Spot[ i ].coneCos, u_Spot[ i ].penumbraCos, angleCos );\r\n                dist = pow(clamp(1. - lightDistance / u_Spot[ i ].distance, 0.0, 1.0), u_Spot[ i ].decay);\r\n                light = u_Spot[ i ].color * dist * spotEffect;\r\n\r\n                dotNL = saturate( dot(N, L) );\r\n                irradiance = light * dotNL;\r\n\r\n                // #ifndef USE_PBR\r\n                //     irradiance *= PI;\r\n                // #endif\r\n\r\n                #if NUM_SPOT_SHADOWS > 0\r\n                    #ifdef USE_PCSS_SOFT_SHADOW\r\n                        irradiance *= bool( u_Spot[ i ].shadow ) ? getShadowWithPCSS( spotDepthMap[ i ], spotShadowMap[ i ], vSpotShadowCoord[ i ], u_Spot[ i ].shadowBias, u_Spot[ i ].shadowRadius, u_Spot[ i ].shadowMapSize ) : 1.0;\r\n                    #else\r\n                        irradiance *= bool( u_Spot[ i ].shadow ) ? getShadow( spotShadowMap[ i ], vSpotShadowCoord[ i ], u_Spot[ i ].shadowBias, u_Spot[ i ].shadowRadius, u_Spot[ i ].shadowMapSize ) : 1.0;\r\n                    #endif\r\n                #endif\r\n\r\n                reflectLight = irradiance * BRDF_Diffuse_Lambert(diffuseColor);\r\n\r\n                #ifdef USE_PHONG\r\n                    reflectLight += irradiance * BRDF_Specular_BlinnPhong(specularColor, N, L, V, shininess) * specularStrength;\r\n                #endif\r\n\r\n                #ifdef USE_PBR\r\n                    reflectLight += irradiance * BRDF_Specular_GGX(specularColor, N, L, V, roughness);\r\n                #endif\r\n\r\n                totalReflect += reflectLight;\r\n            }\r\n\r\n        }\r\n\r\n    #endif\r\n\r\n    vec3 indirectDiffuse = indirectIrradiance * BRDF_Diffuse_Lambert(diffuseColor).rgb;\r\n    vec3 indirectSpecular = vec3(0., 0., 0.);\r\n\r\n    #if defined( USE_ENV_MAP ) && defined( USE_PBR )\r\n        indirectSpecular += indirectRadiance * BRDF_Specular_GGX_Environment(N, V, specularColor, roughness).rgb;\r\n    #endif\r\n\r\n    #ifdef USE_AOMAP\r\n\r\n        // reads channel R, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\r\n        #if (USE_AOMAP == 1)\r\n    \t    float ambientOcclusion = ( texture2D( aoMap, v_Uv ).r - 1.0 ) * aoMapIntensity + 1.0;\r\n        #elif (USE_AOMAP == 2)\r\n            float ambientOcclusion = ( texture2D( aoMap, v_Uv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\r\n        #else\r\n            float ambientOcclusion = ( texture2D( aoMap, v_Uv ).r - 1.0 ) * aoMapIntensity + 1.0;\r\n        #endif\r\n    \t\r\n    \tindirectDiffuse *= ambientOcclusion;\r\n\r\n    \t#if defined( USE_ENV_MAP ) && defined( USE_PBR )\r\n\r\n    \t\tfloat dotNV = saturate( dot( N, V ) );\r\n\r\n    \t\tindirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, GGXRoughnessToBlinnExponent(roughness) );\r\n\r\n    \t#endif\r\n\r\n    #endif\r\n\r\n    outColor.xyz = totalReflect.xyz + indirectDiffuse + indirectSpecular;\r\n#endif",light_pars_frag:"#ifdef USE_AMBIENT_LIGHT\r\n    #include <ambientlight_pars_frag>\r\n#endif\r\n#if NUM_DIR_LIGHTS > 0\r\n    #include <directlight_pars_frag>\r\n#endif\r\n#if NUM_POINT_LIGHTS > 0\r\n    #include <pointlight_pars_frag>\r\n#endif\r\n#if NUM_SPOT_LIGHTS > 0\r\n    #include <spotlight_pars_frag>\r\n#endif\r\n\r\n#if defined(USE_PBR) && defined(USE_ENV_MAP)\r\n\r\n    vec3 getLightProbeIndirectIrradiance(const in int maxMIPLevel, const in vec3 envDir) {\r\n        // TODO: replace with properly filtered cubemaps and access the irradiance LOD level, be it the last LOD level\r\n    \t// of a specular cubemap, or just the default level of a specially created irradiance cubemap.\r\n\r\n    \t#ifdef TEXTURE_LOD_EXT\r\n\r\n    \t\tvec4 envMapColor = textureCubeLodEXT( envMap, envDir, float( maxMIPLevel ) );\r\n\r\n    \t#else\r\n\r\n    \t\t// force the bias high to get the last LOD level as it is the most blurred.\r\n    \t\tvec4 envMapColor = textureCube( envMap, envDir, float( maxMIPLevel ) );\r\n\r\n    \t#endif\r\n\r\n        envMapColor = envMapTexelToLinear( envMapColor );\r\n\r\n        return PI * envMapColor.rgb * u_EnvMap_Intensity;\r\n    }\r\n\r\n    // taken from here: http://casual-effects.blogspot.ca/2011/08/plausible-environment-lighting-in-two.html\r\n    float getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\r\n\r\n    \t//float envMapWidth = pow( 2.0, maxMIPLevelScalar );\r\n    \t//float desiredMIPLevel = log2( envMapWidth * sqrt( 3.0 ) ) - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\r\n\r\n    \tfloat maxMIPLevelScalar = float( maxMIPLevel );\r\n    \tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( pow2( blinnShininessExponent ) + 1.0 );\r\n\r\n    \t// clamp to allowable LOD ranges.\r\n    \treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\r\n\r\n    }\r\n\r\n    vec3 getLightProbeIndirectRadiance(const in float blinnShininessExponent, const in int maxMIPLevel, const in vec3 envDir) {\r\n        float specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\r\n\r\n        #ifdef TEXTURE_LOD_EXT\r\n\r\n    \t\tvec4 envMapColor = textureCubeLodEXT( envMap, envDir, specularMIPLevel );\r\n\r\n    \t#else\r\n\r\n    \t\tvec4 envMapColor = textureCube( envMap, envDir, specularMIPLevel );\r\n\r\n    \t#endif\r\n\r\n        envMapColor = envMapTexelToLinear( envMapColor );\r\n\r\n        return envMapColor.rgb * u_EnvMap_Intensity;\r\n    }\r\n\r\n    // ref: https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\r\n    float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\r\n\r\n    \treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\r\n\r\n    }\r\n\r\n#endif",alphamap_pars_frag:"#ifdef USE_ALPHA_MAP\r\n\r\n\tuniform sampler2D alphaMap;\r\n\r\n#endif",alphamap_frag:"#ifdef USE_ALPHA_MAP\r\n\r\n\t#ifdef USE_ALPHA_MAP_UV_TRANSFORM\r\n\t\toutColor.a *= texture2D(alphaMap, vAlphaMapUV).g;\r\n\t#else\r\n\t\t#if (USE_ALPHA_MAP == 1)\r\n\t\t\toutColor.a *= texture2D(alphaMap, v_Uv).g;\r\n\t\t#elif (USE_ALPHA_MAP == 2)\r\n            outColor.a *= texture2D(alphaMap, v_Uv2).g;\r\n\t\t#else\r\n            outColor.a *= texture2D(alphaMap, v_Uv).g;\r\n        #endif\r\n\t#endif\r\n\r\n#endif",normalMap_pars_frag:"#if !defined(USE_TANGENT) || defined(FLAT_SHADED)\r\n    #include <tsn>\r\n#endif\r\nuniform sampler2D normalMap;",normal_frag:"#ifdef USE_NORMAL\r\n    #ifdef FLAT_SHADED\r\n        // Workaround for Adreno/Nexus5 not able able to do dFdx( Vec3 ) ...\r\n    \tvec3 fdx = vec3( dFdx( v_modelPos.x ), dFdx( v_modelPos.y ), dFdx( v_modelPos.z ) );\r\n    \tvec3 fdy = vec3( dFdy( v_modelPos.x ), dFdy( v_modelPos.y ), dFdy( v_modelPos.z ) );\r\n    \tvec3 N = normalize( cross( fdx, fdy ) );\r\n    #else\r\n        vec3 N = normalize(v_Normal);\r\n        #ifdef DOUBLE_SIDED\r\n            N = N * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\r\n        #endif  \r\n    #endif\r\n    #ifdef USE_NORMAL_MAP\r\n        vec3 mapN = texture2D(normalMap, v_Uv).rgb * 2.0 - 1.0;\r\n        #if defined(USE_TANGENT) && !defined(FLAT_SHADED)\r\n            vec3 tangent = normalize(v_Tangent);\r\n            vec3 bitangent = normalize(v_Bitangent);\r\n            #ifdef DOUBLE_SIDED\r\n                tangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\r\n                bitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\r\n            #endif  \r\n            mat3 tspace = mat3(tangent, bitangent, N);\r\n        #else\r\n            // for now, uv coord is flip Y\r\n            mat3 tspace = tsn(N, v_modelPos, vec2(v_Uv.x, 1.0 - v_Uv.y));\r\n            mapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\r\n        #endif\r\n        N = normalize(tspace * mapN);\r\n    #elif defined(USE_BUMPMAP)\r\n        N = perturbNormalArb(v_modelPos, N, dHdxy_fwd(v_Uv));\r\n    #endif\r\n#endif",normal_pars_frag:"#if defined(USE_NORMAL) && !defined(FLAT_SHADED)\r\n    varying vec3 v_Normal;\r\n    #ifdef USE_TANGENT\r\n        varying vec3 v_Tangent;\r\n\t\tvarying vec3 v_Bitangent;\r\n    #endif\r\n#endif",normal_pars_vert:"#if defined(USE_NORMAL) && !defined(FLAT_SHADED)\r\n    varying vec3 v_Normal;\r\n    #ifdef USE_TANGENT\r\n        varying vec3 v_Tangent;\r\n\t\tvarying vec3 v_Bitangent;\r\n    #endif\r\n#endif",normal_vert:"#if defined(USE_NORMAL) && !defined(FLAT_SHADED)\r\n    v_Normal = (transposeMat4(inverseMat4(u_Model)) * vec4(objectNormal, 0.0)).xyz;\r\n\r\n    #ifdef FLIP_SIDED\r\n    \tv_Normal = - v_Normal;\r\n    #endif\r\n\r\n    #ifdef USE_TANGENT\r\n        v_Tangent = (transposeMat4(inverseMat4(u_Model)) * vec4(objectTangent, 0.0)).xyz;\r\n\r\n        #ifdef FLIP_SIDED\r\n            v_Tangent = - v_Tangent;\r\n        #endif\r\n\r\n        v_Bitangent = normalize(cross(v_Normal, v_Tangent) * a_Tangent.w);\r\n    #endif\r\n#endif\r\n",packing:"const float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\r\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\r\n\r\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\r\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\r\n\r\nconst float ShiftRight8 = 1. / 256.;\r\n\r\nvec4 packDepthToRGBA( const in float v ) {\r\n\r\n    vec4 r = vec4( fract( v * PackFactors ), v );\r\n    r.yzw -= r.xyz * ShiftRight8; // tidy overflow\r\n    return r * PackUpscale;\r\n\r\n}\r\n\r\nfloat unpackRGBAToDepth( const in vec4 v ) {\r\n\r\n    return dot( v, UnpackFactors );\r\n\r\n}",pointlight_pars_frag:"struct PointLight\r\n{\r\n    vec3 position;\r\n    vec4 color;\r\n    float distance;\r\n    float decay;\r\n\r\n    int shadow;\r\n    float shadowBias;\r\n    float shadowRadius;\r\n    vec2 shadowMapSize;\r\n\r\n    float shadowCameraNear;\r\n    float shadowCameraFar;\r\n};\r\nuniform PointLight u_Point[NUM_POINT_LIGHTS];",premultipliedAlpha_frag:"#ifdef USE_PREMULTIPLIED_ALPHA\r\n    gl_FragColor.rgb = gl_FragColor.rgb * gl_FragColor.a;\r\n#endif",pvm_vert:"gl_Position = u_Projection * u_View * u_Model * vec4(transformed, 1.0);",dithering_frag:"#if defined( DITHERING )\r\n\r\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\r\n\r\n#endif",dithering_pars_frag:"#if defined( DITHERING )\r\n\r\n\t// based on http://loopit.dk/banding_in_games.pdf\r\n\tvec3 dithering( vec3 color ) {\r\n\t\t//Calculate grid position\r\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\r\n\r\n\t\t//Shift the individual colors differently, thus making it even harder to see the dithering pattern\r\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\r\n\r\n\t\t//modify shift acording to grid position.\r\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\r\n\r\n\t\t//shift the color by dither_shift\r\n\t\treturn color + dither_shift_RGB;\r\n\t}\r\n\r\n#endif",shadow:"\r\n#ifdef WEBGL2\r\n    float computeShadow(sampler2DShadow shadowMap, vec3 shadowCoord) {\r\n        return texture2D( shadowMap, shadowCoord );\r\n    }\r\n#else\r\n    float computeShadow(sampler2D shadowMap, vec3 shadowCoord) {\r\n        return step( shadowCoord.z, unpackRGBAToDepth( texture2D( shadowMap, shadowCoord.xy ) ) );\r\n    }\r\n#endif\r\n\r\nfloat computeShadowWithPoissonSampling( sampler2DShadow shadowMap, vec3 shadowCoord, float texelSize ) {\r\n    vec3 poissonDisk[4];\r\n    poissonDisk[0] = vec3(-0.94201624, -0.39906216, 0);\r\n    poissonDisk[1] = vec3(0.94558609, -0.76890725, 0);\r\n    poissonDisk[2] = vec3(-0.094184101, -0.92938870, 0);\r\n    poissonDisk[3] = vec3(0.34495938, 0.29387760, 0);\r\n\r\n    return computeShadow( shadowMap, shadowCoord + poissonDisk[0] * texelSize ) * 0.25 +\r\n        computeShadow( shadowMap, shadowCoord + poissonDisk[1] * texelSize ) * 0.25 +\r\n        computeShadow( shadowMap, shadowCoord + poissonDisk[2] * texelSize ) * 0.25 +\r\n        computeShadow( shadowMap, shadowCoord + poissonDisk[3] * texelSize ) * 0.25;\r\n}\r\n\r\n// Shadow PCF kernel size 1 with a single tap (lowest quality)\r\nfloat computeShadowWithPCF1(sampler2DShadow shadowSampler, vec3 shadowCoord) {\r\n    return computeShadow(shadowSampler, shadowCoord);\r\n}\r\n\r\n// Shadow PCF kernel 3*3 in only 4 taps (medium quality)\r\n// This uses a well distributed taps to allow a gaussian distribution covering a 3*3 kernel\r\n// https://mynameismjp.wordpress.com/2013/09/10/shadow-maps/\r\nfloat computeShadowWithPCF3(sampler2DShadow shadowSampler, vec3 shadowCoord, vec2 shadowMapSizeAndInverse) {\r\n    vec2 uv = shadowCoord.xy * shadowMapSizeAndInverse.x;\t// uv in texel units\r\n    uv += 0.5;\t\t\t\t\t\t\t\t\t\t\t// offset of half to be in the center of the texel\r\n    vec2 st = fract(uv);\t\t\t\t\t\t\t\t// how far from the center\r\n    vec2 base_uv = floor(uv) - 0.5;\t\t\t\t\t\t// texel coord\r\n    base_uv *= shadowMapSizeAndInverse.y;\t\t\t\t// move back to uv coords\r\n\r\n    // Equation resolved to fit in a 3*3 distribution like \r\n    // 1 2 1\r\n    // 2 4 2 \r\n    // 1 2 1\r\n    vec2 uvw0 = 3. - 2. * st;\r\n    vec2 uvw1 = 1. + 2. * st;\r\n    vec2 u = vec2((2. - st.x) / uvw0.x - 1., st.x / uvw1.x + 1.) * shadowMapSizeAndInverse.y;\r\n    vec2 v = vec2((2. - st.y) / uvw0.y - 1., st.y / uvw1.y + 1.) * shadowMapSizeAndInverse.y;\r\n\r\n    float shadow = 0.;\r\n    shadow += uvw0.x * uvw0.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[0], v[0]), shadowCoord.z));\r\n    shadow += uvw1.x * uvw0.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[1], v[0]), shadowCoord.z));\r\n    shadow += uvw0.x * uvw1.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[0], v[1]), shadowCoord.z));\r\n    shadow += uvw1.x * uvw1.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[1], v[1]), shadowCoord.z));\r\n    shadow = shadow / 16.;\r\n\r\n    return shadow;\r\n}\r\n\r\n// Shadow PCF kernel 5*5 in only 9 taps (high quality)\r\n// This uses a well distributed taps to allow a gaussian distribution covering a 5*5 kernel\r\n// https://mynameismjp.wordpress.com/2013/09/10/shadow-maps/\r\nfloat computeShadowWithPCF5(sampler2DShadow shadowSampler, vec3 shadowCoord, vec2 shadowMapSizeAndInverse) {\r\n\r\n    vec2 uv = shadowCoord.xy * shadowMapSizeAndInverse.x;\t// uv in texel units\r\n    uv += 0.5;\t\t\t\t\t\t\t\t\t\t\t// offset of half to be in the center of the texel\r\n    vec2 st = fract(uv);\t\t\t\t\t\t\t\t// how far from the center\r\n    vec2 base_uv = floor(uv) - 0.5;\t\t\t\t\t\t// texel coord\r\n    base_uv *= shadowMapSizeAndInverse.y;\t\t\t\t// move back to uv coords\r\n\r\n    // Equation resolved to fit in a 5*5 distribution like \r\n    // 1 2 4 2 1\r\n    vec2 uvw0 = 4. - 3. * st;\r\n    vec2 uvw1 = vec2(7.);\r\n    vec2 uvw2 = 1. + 3. * st;\r\n\r\n    vec3 u = vec3((3. - 2. * st.x) / uvw0.x - 2., (3. + st.x) / uvw1.x, st.x / uvw2.x + 2.) * shadowMapSizeAndInverse.y;\r\n    vec3 v = vec3((3. - 2. * st.y) / uvw0.y - 2., (3. + st.y) / uvw1.y, st.y / uvw2.y + 2.) * shadowMapSizeAndInverse.y;\r\n\r\n    float shadow = 0.;\r\n    shadow += uvw0.x * uvw0.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[0], v[0]), shadowCoord.z));\r\n    shadow += uvw1.x * uvw0.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[1], v[0]), shadowCoord.z));\r\n    shadow += uvw2.x * uvw0.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[2], v[0]), shadowCoord.z));\r\n    shadow += uvw0.x * uvw1.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[0], v[1]), shadowCoord.z));\r\n    shadow += uvw1.x * uvw1.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[1], v[1]), shadowCoord.z));\r\n    shadow += uvw2.x * uvw1.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[2], v[1]), shadowCoord.z));\r\n    shadow += uvw0.x * uvw2.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[0], v[2]), shadowCoord.z));\r\n    shadow += uvw1.x * uvw2.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[1], v[2]), shadowCoord.z));\r\n    shadow += uvw2.x * uvw2.y * computeShadow(shadowSampler, vec3(base_uv.xy + vec2(u[2], v[2]), shadowCoord.z));\r\n    shadow = shadow / 144.;\r\n\r\n    return shadow;\r\n}\r\n\r\nfloat getShadow( sampler2DShadow shadowMap, vec4 shadowCoord, float shadowBias, float shadowRadius, vec2 shadowMapSize ) {\r\n    shadowCoord.xyz /= shadowCoord.w;\r\n\r\n    shadowCoord.z += shadowBias;\r\n\r\n    bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\r\n    bool inFrustum = all( inFrustumVec );\r\n\r\n    bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\r\n\r\n    bool frustumTest = all( frustumTestVec );\r\n\r\n    if ( frustumTest ) {\r\n        #ifdef USE_HARD_SHADOW\r\n            return computeShadow(shadowMap, shadowCoord.xyz);\r\n        #else\r\n            #ifdef USE_PCF3_SOFT_SHADOW\r\n                vec2 shadowMapSizeAndInverse = vec2(shadowMapSize.x, 1. / shadowMapSize.x);\r\n                return computeShadowWithPCF3(shadowMap, shadowCoord.xyz, shadowMapSizeAndInverse);\r\n            #else\r\n                #ifdef USE_PCF5_SOFT_SHADOW\r\n                    vec2 shadowMapSizeAndInverse = vec2(shadowMapSize.x, 1. / shadowMapSize.x);\r\n                    return computeShadowWithPCF5(shadowMap, shadowCoord.xyz, shadowMapSizeAndInverse);\r\n                #else\r\n                    float texelSize = shadowRadius / shadowMapSize.x;\r\n                    return computeShadowWithPoissonSampling(shadowMap, shadowCoord.xyz, texelSize);\r\n                #endif\r\n            #endif\r\n        #endif\r\n    }\r\n\r\n    return 1.0;\r\n\r\n}\r\n\r\nfloat textureCubeCompare( samplerCube depths, vec3 uv, float compare ) {\r\n\r\n    return step( compare, unpackRGBAToDepth( textureCube( depths, uv ) ) );\r\n\r\n}\r\n\r\nfloat getPointShadow( samplerCube shadowMap, vec3 V, float shadowBias, float shadowRadius, vec2 shadowMapSize, float shadowCameraNear, float shadowCameraFar ) {\r\n\r\n    // depth = normalized distance from light to fragment position\r\n    float depth = ( length( V ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); // need to clamp?\r\n    depth += shadowBias;\r\n\r\n    #ifdef USE_HARD_SHADOW\r\n        return textureCubeCompare( shadowMap, normalize(V), depth);\r\n    #else\r\n        float texelSize = shadowRadius / shadowMapSize.x;\r\n\r\n        vec3 poissonDisk[4];\r\n        poissonDisk[0] = vec3(-1.0, 1.0, -1.0);\r\n        poissonDisk[1] = vec3(1.0, -1.0, -1.0);\r\n        poissonDisk[2] = vec3(-1.0, -1.0, -1.0);\r\n        poissonDisk[3] = vec3(1.0, -1.0, 1.0);\r\n\r\n        return textureCubeCompare( shadowMap, normalize(V) + poissonDisk[0] * texelSize, depth ) * 0.25 +\r\n            textureCubeCompare( shadowMap, normalize(V) + poissonDisk[1] * texelSize, depth ) * 0.25 +\r\n            textureCubeCompare( shadowMap, normalize(V) + poissonDisk[2] * texelSize, depth ) * 0.25 +\r\n            textureCubeCompare( shadowMap, normalize(V) + poissonDisk[3] * texelSize, depth ) * 0.25;\r\n    #endif\r\n}\r\n\r\n#ifdef USE_PCSS_SOFT_SHADOW\r\n\r\n    const vec3 PoissonSamplers32[64] = vec3[64](\r\n        vec3(0.06407013, 0.05409927, 0.),\r\n        vec3(0.7366577, 0.5789394, 0.),\r\n        vec3(-0.6270542, -0.5320278, 0.),\r\n        vec3(-0.4096107, 0.8411095, 0.),\r\n        vec3(0.6849564, -0.4990818, 0.),\r\n        vec3(-0.874181, -0.04579735, 0.),\r\n        vec3(0.9989998, 0.0009880066, 0.),\r\n        vec3(-0.004920578, -0.9151649, 0.),\r\n        vec3(0.1805763, 0.9747483, 0.),\r\n        vec3(-0.2138451, 0.2635818, 0.),\r\n        vec3(0.109845, 0.3884785, 0.),\r\n        vec3(0.06876755, -0.3581074, 0.),\r\n        vec3(0.374073, -0.7661266, 0.),\r\n        vec3(0.3079132, -0.1216763, 0.),\r\n        vec3(-0.3794335, -0.8271583, 0.),\r\n        vec3(-0.203878, -0.07715034, 0.),\r\n        vec3(0.5912697, 0.1469799, 0.),\r\n        vec3(-0.88069, 0.3031784, 0.),\r\n        vec3(0.5040108, 0.8283722, 0.),\r\n        vec3(-0.5844124, 0.5494877, 0.),\r\n        vec3(0.6017799, -0.1726654, 0.),\r\n        vec3(-0.5554981, 0.1559997, 0.),\r\n        vec3(-0.3016369, -0.3900928, 0.),\r\n        vec3(-0.5550632, -0.1723762, 0.),\r\n        vec3(0.925029, 0.2995041, 0.),\r\n        vec3(-0.2473137, 0.5538505, 0.),\r\n        vec3(0.9183037, -0.2862392, 0.),\r\n        vec3(0.2469421, 0.6718712, 0.),\r\n        vec3(0.3916397, -0.4328209, 0.),\r\n        vec3(-0.03576927, -0.6220032, 0.),\r\n        vec3(-0.04661255, 0.7995201, 0.),\r\n        vec3(0.4402924, 0.3640312, 0.),\r\n\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.),\r\n        vec3(0., 0., 0.)\r\n    );\r\n\r\n    const vec3 PoissonSamplers64[64] = vec3[64](\r\n        vec3(-0.613392, 0.617481, 0.),\r\n        vec3(0.170019, -0.040254, 0.),\r\n        vec3(-0.299417, 0.791925, 0.),\r\n        vec3(0.645680, 0.493210, 0.),\r\n        vec3(-0.651784, 0.717887, 0.),\r\n        vec3(0.421003, 0.027070, 0.),\r\n        vec3(-0.817194, -0.271096, 0.),\r\n        vec3(-0.705374, -0.668203, 0.),\r\n        vec3(0.977050, -0.108615, 0.),\r\n        vec3(0.063326, 0.142369, 0.),\r\n        vec3(0.203528, 0.214331, 0.),\r\n        vec3(-0.667531, 0.326090, 0.),\r\n        vec3(-0.098422, -0.295755, 0.),\r\n        vec3(-0.885922, 0.215369, 0.),\r\n        vec3(0.566637, 0.605213, 0.),\r\n        vec3(0.039766, -0.396100, 0.),\r\n        vec3(0.751946, 0.453352, 0.),\r\n        vec3(0.078707, -0.715323, 0.),\r\n        vec3(-0.075838, -0.529344, 0.),\r\n        vec3(0.724479, -0.580798, 0.),\r\n        vec3(0.222999, -0.215125, 0.),\r\n        vec3(-0.467574, -0.405438, 0.),\r\n        vec3(-0.248268, -0.814753, 0.),\r\n        vec3(0.354411, -0.887570, 0.),\r\n        vec3(0.175817, 0.382366, 0.),\r\n        vec3(0.487472, -0.063082, 0.),\r\n        vec3(-0.084078, 0.898312, 0.),\r\n        vec3(0.488876, -0.783441, 0.),\r\n        vec3(0.470016, 0.217933, 0.),\r\n        vec3(-0.696890, -0.549791, 0.),\r\n        vec3(-0.149693, 0.605762, 0.),\r\n        vec3(0.034211, 0.979980, 0.),\r\n        vec3(0.503098, -0.308878, 0.),\r\n        vec3(-0.016205, -0.872921, 0.),\r\n        vec3(0.385784, -0.393902, 0.),\r\n        vec3(-0.146886, -0.859249, 0.),\r\n        vec3(0.643361, 0.164098, 0.),\r\n        vec3(0.634388, -0.049471, 0.),\r\n        vec3(-0.688894, 0.007843, 0.),\r\n        vec3(0.464034, -0.188818, 0.),\r\n        vec3(-0.440840, 0.137486, 0.),\r\n        vec3(0.364483, 0.511704, 0.),\r\n        vec3(0.034028, 0.325968, 0.),\r\n        vec3(0.099094, -0.308023, 0.),\r\n        vec3(0.693960, -0.366253, 0.),\r\n        vec3(0.678884, -0.204688, 0.),\r\n        vec3(0.001801, 0.780328, 0.),\r\n        vec3(0.145177, -0.898984, 0.),\r\n        vec3(0.062655, -0.611866, 0.),\r\n        vec3(0.315226, -0.604297, 0.),\r\n        vec3(-0.780145, 0.486251, 0.),\r\n        vec3(-0.371868, 0.882138, 0.),\r\n        vec3(0.200476, 0.494430, 0.),\r\n        vec3(-0.494552, -0.711051, 0.),\r\n        vec3(0.612476, 0.705252, 0.),\r\n        vec3(-0.578845, -0.768792, 0.),\r\n        vec3(-0.772454, -0.090976, 0.),\r\n        vec3(0.504440, 0.372295, 0.),\r\n        vec3(0.155736, 0.065157, 0.),\r\n        vec3(0.391522, 0.849605, 0.),\r\n        vec3(-0.620106, -0.328104, 0.),\r\n        vec3(0.789239, -0.419965, 0.),\r\n        vec3(-0.545396, 0.538133, 0.),\r\n        vec3(-0.178564, -0.596057, 0.)\r\n    );\r\n\r\n    // https://stackoverflow.com/questions/4200224/random-noise-functions-for-glsl\r\n    float getRand(vec2 seed) {\r\n        return fract(sin(dot(seed.xy ,vec2(12.9898,78.233))) * 43758.5453);\r\n    }\r\n\r\n    // PCSS\r\n    // This helps to achieve a contact hardening effect on the shadow\r\n    // It uses 16 Taps for search and a 32 PCF taps in a randomly rotating poisson sampling disc.\r\n    // This is heavily inspired from http://developer.download.nvidia.com/shaderlibrary/docs/shadow_PCSS.pdf\r\n    // and http://developer.download.nvidia.com/whitepapers/2008/PCSS_Integration.pdf\r\n    float computeShadowWithPCSS(sampler2D depthSampler, sampler2DShadow shadowSampler, vec3 shadowCoord, float shadowMapSizeInverse, float lightSizeUV, int searchTapCount, int pcfTapCount, vec3[64] poissonSamplers) {\r\n        float depthMetric = shadowCoord.z;\r\n\r\n        float blockerDepth = 0.0;\r\n        float sumBlockerDepth = 0.0;\r\n        float numBlocker = 0.0;\r\n        for (int i = 0; i < searchTapCount; i ++) {\r\n            blockerDepth = unpackRGBAToDepth( texture( depthSampler, shadowCoord.xy + (lightSizeUV * shadowMapSizeInverse * PoissonSamplers32[i].xy) ) );\r\n            if (blockerDepth < depthMetric) {\r\n                sumBlockerDepth += blockerDepth;\r\n                numBlocker++;\r\n            }\r\n        }\r\n\r\n        if (numBlocker < 1.0) {\r\n            return 1.0;\r\n        }\r\n        float avgBlockerDepth = sumBlockerDepth / numBlocker;\r\n\r\n        // Offset preventing aliasing on contact.\r\n        float AAOffset = shadowMapSizeInverse * 10.;\r\n        // Do not dividing by z despite being physically incorrect looks better due to the limited kernel size.\r\n        // float penumbraRatio = (depthMetric - avgBlockerDepth) / avgBlockerDepth;\r\n        float penumbraRatio = ((depthMetric - avgBlockerDepth) + AAOffset);\r\n        float filterRadius = penumbraRatio * lightSizeUV * shadowMapSizeInverse;\r\n\r\n        float random = getRand(shadowCoord.xy);//getRand(vPositionFromLight.xy);\r\n        float rotationAngle = random * 3.1415926;\r\n        vec2 rotationVector = vec2(cos(rotationAngle), sin(rotationAngle));\r\n\r\n        float shadow = 0.;\r\n        for (int i = 0; i < pcfTapCount; i++) {\r\n            vec3 offset = poissonSamplers[i];\r\n            // Rotated offset.\r\n            offset = vec3(offset.x * rotationVector.x - offset.y * rotationVector.y, offset.y * rotationVector.x + offset.x * rotationVector.y, 0.);\r\n            shadow += texture(shadowSampler, shadowCoord + offset * filterRadius);\r\n        }\r\n        shadow /= float(pcfTapCount);\r\n\r\n        // Blocker distance falloff\r\n        shadow = mix(shadow, 1., depthMetric - avgBlockerDepth);\r\n\r\n        return shadow;\r\n    }\r\n\r\n    float getShadowWithPCSS( sampler2D depthSampler, sampler2DShadow shadowMap, vec4 shadowCoord, float shadowBias, float shadowRadius, vec2 shadowMapSize ) {\r\n\r\n        shadowCoord.xyz /= shadowCoord.w;\r\n\r\n        shadowCoord.z += shadowBias;\r\n\r\n        bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\r\n        bool inFrustum = all( inFrustumVec );\r\n\r\n        bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\r\n\r\n        bool frustumTest = all( frustumTestVec );\r\n\r\n        if ( frustumTest ) {\r\n            #ifdef USE_PCSS16_SOFT_SHADOW\r\n                return computeShadowWithPCSS(depthSampler, shadowMap, shadowCoord.xyz, 1. / shadowMapSize.x, 0.1 * shadowMapSize.x, 16, 16, PoissonSamplers32);\r\n            #else\r\n                #ifdef USE_PCSS32_SOFT_SHADOW\r\n                    return computeShadowWithPCSS(depthSampler, shadowMap, shadowCoord.xyz, 1. / shadowMapSize.x, 0.1 * shadowMapSize.x, 16, 32, PoissonSamplers32);\r\n                #else\r\n                    return computeShadowWithPCSS(depthSampler, shadowMap, shadowCoord.xyz, 1. / shadowMapSize.x, 0.1 * shadowMapSize.x, 32, 64, PoissonSamplers64);\r\n                #endif\r\n            #endif\r\n        }\r\n\r\n        return 1.0;\r\n\r\n    }\r\n\r\n#endif",shadowMap_frag:"#ifdef USE_SHADOW\r\n    // outColor *= getShadowMask();\r\n#endif",shadowMap_pars_frag:"#ifdef USE_SHADOW\r\n\r\n    #if NUM_DIR_SHADOWS > 0\r\n\r\n        uniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHTS ];\r\n        varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\r\n\r\n        #ifdef USE_PCSS_SOFT_SHADOW\r\n\r\n            uniform sampler2D directionalDepthMap[ NUM_DIR_LIGHTS ];\r\n\r\n        #endif\r\n\r\n    #endif\r\n\r\n    #if NUM_POINT_SHADOWS > 0\r\n\r\n        uniform samplerCube pointShadowMap[ NUM_POINT_LIGHTS ];\r\n\r\n    #endif\r\n\r\n    #if NUM_SPOT_SHADOWS > 0\r\n\r\n        uniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHTS ];\r\n        varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\r\n\r\n        #ifdef USE_PCSS_SOFT_SHADOW\r\n\r\n            uniform sampler2D spotDepthMap[ NUM_SPOT_LIGHTS ];\r\n\r\n        #endif\r\n\r\n    #endif\r\n\r\n    #include <packing>\r\n    #include <shadow>\r\n\r\n#endif",shadowMap_pars_vert:"#ifdef USE_SHADOW\r\n\r\n    #if NUM_DIR_SHADOWS > 0\r\n\r\n        uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHTS ];\r\n        varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHTS ];\r\n\r\n    #endif\r\n\r\n    #if NUM_POINT_SHADOWS > 0\r\n\r\n        // nothing\r\n\r\n    #endif\r\n\r\n    #if NUM_SPOT_SHADOWS > 0\r\n\r\n        uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHTS ];\r\n        varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHTS ];\r\n\r\n    #endif\r\n\r\n#endif",shadowMap_vert:"#ifdef USE_SHADOW\r\n\r\n    vec4 worldPosition = u_Model * vec4(transformed, 1.0);\r\n\r\n    #if NUM_DIR_SHADOWS > 0\r\n\r\n        #pragma unroll_loop\r\n        for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\r\n\r\n            vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\r\n\r\n        }\r\n\r\n    #endif\r\n\r\n    #if NUM_POINT_SHADOWS > 0\r\n\r\n        // nothing\r\n\r\n    #endif\r\n\r\n    #if NUM_SPOT_SHADOWS > 0\r\n\r\n        #pragma unroll_loop\r\n        for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\r\n\r\n            vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\r\n\r\n        }\r\n\r\n    #endif\r\n\r\n#endif",morphnormal_vert:"#ifdef USE_MORPHNORMALS\r\n\r\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\r\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\r\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\r\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\r\n\r\n#endif",morphtarget_pars_vert:"#ifdef USE_MORPHTARGETS\r\n\r\n\t#ifndef USE_MORPHNORMALS\r\n\r\n\tuniform float morphTargetInfluences[ 8 ];\r\n\r\n\t#else\r\n\r\n\tuniform float morphTargetInfluences[ 4 ];\r\n\r\n\t#endif\r\n\r\n#endif",morphtarget_vert:"#ifdef USE_MORPHTARGETS\r\n\r\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\r\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\r\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\r\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\r\n\r\n\t#ifndef USE_MORPHNORMALS\r\n\r\n        transformed += morphTarget4 * morphTargetInfluences[ 4 ];\r\n        transformed += morphTarget5 * morphTargetInfluences[ 5 ];\r\n        transformed += morphTarget6 * morphTargetInfluences[ 6 ];\r\n        transformed += morphTarget7 * morphTargetInfluences[ 7 ];\r\n\r\n\t#endif\r\n\r\n#endif",skinning_pars_vert:"#ifdef USE_SKINNING\r\n\r\n    attribute vec4 skinIndex;\r\n\tattribute vec4 skinWeight;\r\n\r\n    uniform mat4 bindMatrix;\r\n\tuniform mat4 bindMatrixInverse;\r\n\r\n    #ifdef BONE_TEXTURE\r\n        uniform sampler2D boneTexture;\r\n        uniform int boneTextureSize;\r\n\r\n        mat4 getBoneMatrix( const in float i ) {\r\n            float j = i * 4.0;\r\n            float x = mod( j, float( boneTextureSize ) );\r\n            float y = floor( j / float( boneTextureSize ) );\r\n\r\n            float dx = 1.0 / float( boneTextureSize );\r\n            float dy = 1.0 / float( boneTextureSize );\r\n\r\n            y = dy * ( y + 0.5 );\r\n\r\n            vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\r\n            vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\r\n            vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\r\n            vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\r\n\r\n            mat4 bone = mat4( v1, v2, v3, v4 );\r\n\r\n            return bone;\r\n        }\r\n    #else\r\n        uniform mat4 boneMatrices[MAX_BONES];\r\n\r\n        mat4 getBoneMatrix(const in float i) {\r\n            mat4 bone = boneMatrices[int(i)];\r\n            return bone;\r\n        }\r\n    #endif\r\n\r\n#endif",skinning_vert:"#ifdef USE_SKINNING\r\n\r\n    mat4 boneMatX = getBoneMatrix( skinIndex.x );\r\n    mat4 boneMatY = getBoneMatrix( skinIndex.y );\r\n    mat4 boneMatZ = getBoneMatrix( skinIndex.z );\r\n    mat4 boneMatW = getBoneMatrix( skinIndex.w );\r\n\r\n    vec4 skinVertex = bindMatrix * vec4(transformed, 1.0);\r\n\r\n    vec4 skinned = vec4( 0.0 );\r\n\tskinned += boneMatX * skinVertex * skinWeight.x;\r\n\tskinned += boneMatY * skinVertex * skinWeight.y;\r\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\r\n\tskinned += boneMatW * skinVertex * skinWeight.w;\r\n\tskinned = bindMatrixInverse * skinned;\r\n\r\n    // override\r\n    transformed = skinned.xyz / skinned.w;\r\n\r\n    #if defined(USE_NORMAL) || defined(USE_ENV_MAP)\r\n        mat4 skinMatrix = mat4( 0.0 );\r\n        skinMatrix += skinWeight.x * boneMatX;\r\n        skinMatrix += skinWeight.y * boneMatY;\r\n        skinMatrix += skinWeight.z * boneMatZ;\r\n        skinMatrix += skinWeight.w * boneMatW;\r\n        skinMatrix  = bindMatrixInverse * skinMatrix * bindMatrix;\r\n\r\n        // override\r\n        objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\r\n    #endif\r\n\r\n#endif",specularMap_frag:"float specularStrength;\r\n\r\n#ifdef USE_SPECULARMAP\r\n\r\n\tvec4 texelSpecular = texture2D( specularMap, v_Uv );\r\n\tspecularStrength = texelSpecular.r;\r\n\r\n#else\r\n\r\n\tspecularStrength = 1.0;\r\n\r\n#endif",specularMap_pars_frag:"#ifdef USE_SPECULARMAP\r\n\r\n\tuniform sampler2D specularMap;\r\n\r\n#endif",spotlight_pars_frag:"struct SpotLight\r\n{\r\n    vec3 position;\r\n    vec4 color;\r\n    float distance;\r\n    float decay;\r\n    float coneCos;\r\n    float penumbraCos;\r\n    vec3 direction;\r\n\r\n    int shadow;\r\n    float shadowBias;\r\n    float shadowRadius;\r\n    vec2 shadowMapSize;\r\n};\r\nuniform SpotLight u_Spot[NUM_SPOT_LIGHTS];",transpose:"mat4 transposeMat4(mat4 inMatrix) {\r\n    vec4 i0 = inMatrix[0];\r\n    vec4 i1 = inMatrix[1];\r\n    vec4 i2 = inMatrix[2];\r\n    vec4 i3 = inMatrix[3];\r\n    mat4 outMatrix = mat4(\r\n        vec4(i0.x, i1.x, i2.x, i3.x),\r\n        vec4(i0.y, i1.y, i2.y, i3.y),\r\n        vec4(i0.z, i1.z, i2.z, i3.z),\r\n        vec4(i0.w, i1.w, i2.w, i3.w)\r\n    );\r\n    return outMatrix;\r\n}",tsn:"// Per-Pixel Tangent Space Normal Mapping\r\n// http://hacksoflife.blogspot.ch/2009/11/per-pixel-tangent-space-normal-mapping.html\r\nmat3 tsn(vec3 N, vec3 V, vec2 uv) {\r\n    // Workaround for Adreno/Nexus5 not able able to do dFdx( Vec3 ) ...\r\n    vec3 q0 = vec3(dFdx(V.x), dFdx(V.y), dFdx(V.z));\r\n    vec3 q1 = vec3(dFdy(V.x), dFdy(V.y), dFdy(V.z));\r\n    vec2 st0 = dFdx( uv.st );\r\n    vec2 st1 = dFdy( uv.st );\r\n\r\n    float scale = sign( st1.t * st0.s - st0.t * st1.s );\r\n\r\n    vec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\r\n    vec3 T = normalize( ( -q0 * st1.s + q1 * st0.s ) * scale );\r\n    // vec3 N = normalize( N );\r\n\r\n    mat3 tsn = mat3( S, T, N );\r\n    return tsn;\r\n}",uv_pars_frag:"#if defined(USE_DIFFUSE_MAP) || defined(USE_ALPHA_MAP) || defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP) || defined(USE_SPECULARMAP) || defined(USE_EMISSIVEMAP) || defined(USE_ROUGHNESSMAP) || defined(USE_METALNESSMAP) || defined(USE_GLOSSINESSMAP) || defined(USE_AOMAP)\r\n    varying vec2 v_Uv;\r\n#endif\r\n\r\n#ifdef USE_UV2\r\n    varying vec2 v_Uv2;\r\n#endif\r\n\r\n#ifdef USE_ALPHA_MAP_UV_TRANSFORM\r\n    varying vec2 vAlphaMapUV;\r\n#endif ",uv_pars_vert:"#if defined(USE_DIFFUSE_MAP) || defined(USE_ALPHA_MAP) || defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP) || defined(USE_SPECULARMAP) || defined(USE_EMISSIVEMAP) || defined(USE_ROUGHNESSMAP) || defined(USE_METALNESSMAP) || defined(USE_GLOSSINESSMAP) || defined(USE_AOMAP)\r\n    attribute vec2 a_Uv;\r\n    varying vec2 v_Uv;\r\n    uniform mat3 uvTransform;\r\n#endif\r\n\r\n#ifdef USE_UV2\r\n    attribute vec2 a_Uv2;\r\n    varying vec2 v_Uv2;\r\n#endif\r\n\r\n#ifdef USE_ALPHA_MAP_UV_TRANSFORM\r\n    varying vec2 vAlphaMapUV;\r\n    uniform mat3 alphaMapUVTransform;\r\n#endif \r\n",uv_vert:"#if defined(USE_DIFFUSE_MAP) || defined(USE_ALPHA_MAP) || defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP) || defined(USE_SPECULARMAP) || defined(USE_EMISSIVEMAP) || defined(USE_ROUGHNESSMAP) || defined(USE_METALNESSMAP) || defined(USE_GLOSSINESSMAP) || defined(USE_AOMAP)\r\n    v_Uv = (uvTransform * vec3(a_Uv, 1.)).xy;\r\n#endif\r\n\r\n#ifdef USE_UV2\r\n    v_Uv2 = a_Uv2;\r\n#endif\r\n\r\n#ifdef USE_ALPHA_MAP_UV_TRANSFORM\r\n    #if (USE_ALPHA_MAP == 1)\r\n        vAlphaMapUV = (alphaMapUVTransform * vec3(a_Uv, 1.)).xy;\r\n    #elif (USE_ALPHA_MAP == 2)\r\n        vAlphaMapUV = (alphaMapUVTransform * vec3(a_Uv2, 1.)).xy;\r\n    #else\r\n        vAlphaMapUV = (alphaMapUVTransform * vec3(a_Uv, 1.)).xy;\r\n    #endif\r\n#endif ",viewModelPos_pars_frag:"#if (NUM_POINT_LIGHTS > 0) || (NUM_SPOT_LIGHTS > 0) || defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP) || defined(FLAT_SHADED) || defined(USE_PHONG) || defined(USE_PBR) || (NUM_CLIPPING_PLANES > 0) \r\n    varying vec3 v_modelPos;\r\n#endif",viewModelPos_pars_vert:"#if (NUM_POINT_LIGHTS > 0) || (NUM_SPOT_LIGHTS > 0) || defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP) || defined(FLAT_SHADED) || defined(USE_PHONG) || defined(USE_PBR)|| (NUM_CLIPPING_PLANES > 0)\r\n    varying vec3 v_modelPos;\r\n#endif",viewModelPos_vert:"#if (NUM_POINT_LIGHTS > 0) || (NUM_SPOT_LIGHTS > 0) || defined(USE_NORMAL_MAP) || defined(USE_BUMPMAP) || defined(FLAT_SHADED) || defined(USE_PHONG) || defined(USE_PBR) || (NUM_CLIPPING_PLANES > 0)\r\n    v_modelPos = (u_Model * vec4(transformed, 1.0)).xyz;\r\n#endif"},Mr="#define USE_PBR\r\n\r\n#include <common_vert>\r\n#include <normal_pars_vert>\r\n#include <uv_pars_vert>\r\n#include <color_pars_vert>\r\n#include <viewModelPos_pars_vert>\r\n#include <envMap_pars_vert>\r\n#include <shadowMap_pars_vert>\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <morphnormal_vert>\r\n    #include <skinning_vert>\r\n    #include <pvm_vert>\r\n    #include <normal_vert>\r\n    #include <uv_vert>\r\n    #include <color_vert>\r\n    #include <viewModelPos_vert>\r\n    #include <envMap_vert>\r\n    #include <shadowMap_vert>\r\n}",Er={basic_frag:"#include <common_frag>\r\n#include <uv_pars_frag>\r\n#include <color_pars_frag>\r\n#include <diffuseMap_pars_frag>\r\n#include <alphamap_pars_frag>\r\n#include <envMap_pars_frag>\r\n#include <aoMap_pars_frag>\r\n#include <fog_pars_frag>\r\nvoid main() {\r\n    #include <begin_frag>\r\n    #include <color_frag>\r\n    #include <diffuseMap_frag>\r\n    #include <alphamap_frag>\r\n    #include <alphaTest_frag>\r\n    #include <envMap_frag>\r\n    #include <end_frag>\r\n    #include <encodings_frag>\r\n    #include <premultipliedAlpha_frag>\r\n    #include <fog_frag>\r\n}",basic_vert:"#include <common_vert>\r\n#include <uv_pars_vert>\r\n#include <color_pars_vert>\r\n#include <envMap_pars_vert>\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <skinning_vert>\r\n    #include <pvm_vert>\r\n    #include <uv_vert>\r\n    #include <color_vert>\r\n    #include <envMap_vert>\r\n}",canvas2d_frag:"#include <common_frag>\r\nvarying vec2 v_Uv;\r\nuniform sampler2D spriteTexture;\r\nvoid main() {\r\n    #include <begin_frag>\r\n    outColor *= texture2D(spriteTexture, v_Uv);\r\n    #include <end_frag>\r\n    #include <premultipliedAlpha_frag>\r\n}",canvas2d_vert:"#include <common_vert>\r\nattribute vec2 a_Uv;\r\nvarying vec2 v_Uv;\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <pvm_vert>\r\n    v_Uv = a_Uv;\r\n}",depth_frag:"#include <common_frag>\r\n#include <diffuseMap_pars_frag>\r\n\r\n#include <uv_pars_frag>\r\n\r\n#include <packing>\r\n\r\nvoid main() {\r\n    #if defined(USE_DIFFUSE_MAP) && defined(ALPHATEST)\r\n        vec4 texelColor = texture2D( diffuseMap, v_Uv );\r\n\r\n        float alpha = texelColor.a * u_Opacity;\r\n        if(alpha < ALPHATEST) discard;\r\n    #endif\r\n    \r\n    #ifdef DEPTH_PACKING_RGBA\r\n        gl_FragColor = packDepthToRGBA(gl_FragCoord.z);\r\n    #else\r\n        gl_FragColor = vec4( vec3( 1.0 - gl_FragCoord.z ), u_Opacity );\r\n    #endif\r\n}",depth_vert:"#include <common_vert>\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\n#include <uv_pars_vert>\r\nvoid main() {\r\n    #include <uv_vert>\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <skinning_vert>\r\n    #include <pvm_vert>\r\n}",distance_frag:"#include <common_frag>\r\nuniform float nearDistance;\r\nuniform float farDistance;\r\nvarying vec3 v_ModelPos;\r\n#include <packing>\r\nvoid main() {\r\n    float dist = length( v_ModelPos - u_CameraPosition );\r\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\r\n\tdist = saturate( dist ); // clamp to [ 0, 1 ]\r\n\r\n    gl_FragColor = packDepthToRGBA(dist);\r\n}",distance_vert:"#include <common_vert>\r\nvarying vec3 v_ModelPos;\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <skinning_vert>\r\n    #include <pvm_vert>\r\n    v_ModelPos = (u_Model * vec4(transformed, 1.0)).xyz;\r\n}",lambert_frag:"#define USE_LAMBERT\r\n\r\n#include <common_frag>\r\n#include <dithering_pars_frag>\r\n\r\nuniform vec3 emissive;\r\n\r\n#include <uv_pars_frag>\r\n#include <color_pars_frag>\r\n#include <diffuseMap_pars_frag>\r\n#include <normalMap_pars_frag>\r\n#include <alphamap_pars_frag>\r\n#include <bumpMap_pars_frag>\r\n#include <light_pars_frag>\r\n#include <normal_pars_frag>\r\n#include <viewModelPos_pars_frag>\r\n#include <bsdfs>\r\n#include <envMap_pars_frag>\r\n#include <aoMap_pars_frag>\r\n#include <shadowMap_pars_frag>\r\n#include <fog_pars_frag>\r\n#include <emissiveMap_pars_frag>\r\n#include <clippingPlanes_pars_frag>\r\nvoid main() {\r\n    #include <clippingPlanes_frag>\r\n    #include <begin_frag>\r\n    #include <color_frag>\r\n    #include <diffuseMap_frag>\r\n    #include <alphamap_frag>\r\n    #include <alphaTest_frag>\r\n    #include <normal_frag>\r\n    #include <light_frag>\r\n    #include <envMap_frag>\r\n    #include <shadowMap_frag>\r\n\r\n    vec3 totalEmissiveRadiance = emissive;\r\n    #include <emissiveMap_frag>\r\n    outColor += vec4(totalEmissiveRadiance.rgb, 0.0);\r\n\r\n    #include <end_frag>\r\n    #include <encodings_frag>\r\n    #include <premultipliedAlpha_frag>\r\n    #include <fog_frag>\r\n    #include <dithering_frag>\r\n}",lambert_vert:"#define USE_LAMBERT\r\n\r\n#include <common_vert>\r\n#include <normal_pars_vert>\r\n#include <uv_pars_vert>\r\n#include <color_pars_vert>\r\n#include <viewModelPos_pars_vert>\r\n#include <envMap_pars_vert>\r\n#include <shadowMap_pars_vert>\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <morphnormal_vert>\r\n    #include <skinning_vert>\r\n    #include <pvm_vert>\r\n    #include <normal_vert>\r\n    #include <uv_vert>\r\n    #include <color_vert>\r\n    #include <viewModelPos_vert>\r\n    #include <envMap_vert>\r\n    #include <shadowMap_vert>\r\n}",normaldepth_frag:"#include <common_frag>\r\n#include <diffuseMap_pars_frag>\r\n\r\n#include <uv_pars_frag>\r\n\r\n#define USE_NORMAL\r\n\r\n#include <packing>\r\n#include <normal_pars_frag>\r\n\r\nvoid main() {\r\n    #if defined(USE_DIFFUSE_MAP) && defined(ALPHATEST)\r\n        vec4 texelColor = texture2D( diffuseMap, v_Uv );\r\n\r\n        float alpha = texelColor.a * u_Opacity;\r\n        if(alpha < ALPHATEST) discard;\r\n    #endif\r\n    vec4 packedNormalDepth;\r\n    packedNormalDepth.xyz = normalize(v_Normal) * 0.5 + 0.5;\r\n    packedNormalDepth.w = gl_FragCoord.z;\r\n    gl_FragColor = packedNormalDepth;\r\n}",normaldepth_vert:"#include <common_vert>\r\n\r\n#define USE_NORMAL\r\n\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\n#include <normal_pars_vert>\r\n#include <uv_pars_vert>\r\nvoid main() {\r\n    #include <uv_vert>\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <morphnormal_vert>\r\n    #include <skinning_vert>\r\n    #include <normal_vert>\r\n    #include <pvm_vert>\r\n}",pbr_frag:"#define USE_PBR\r\n\r\n#include <common_frag>\r\n#include <dithering_pars_frag>\r\n\r\n// if no light> this will not active\r\nuniform float u_Metalness;\r\n#ifdef USE_METALNESSMAP\r\n\tuniform sampler2D metalnessMap;\r\n#endif\r\n\r\nuniform float u_Roughness;\r\n#ifdef USE_ROUGHNESSMAP\r\n\tuniform sampler2D roughnessMap;\r\n#endif\r\n\r\nuniform vec3 emissive;\r\n\r\n#include <uv_pars_frag>\r\n#include <color_pars_frag>\r\n#include <diffuseMap_pars_frag>\r\n#include <alphamap_pars_frag>\r\n#include <normalMap_pars_frag>\r\n#include <bumpMap_pars_frag>\r\n#include <envMap_pars_frag>\r\n#include <aoMap_pars_frag>\r\n#include <light_pars_frag>\r\n#include <normal_pars_frag>\r\n#include <viewModelPos_pars_frag>\r\n#include <bsdfs>\r\n#include <shadowMap_pars_frag>\r\n#include <fog_pars_frag>\r\n#include <emissiveMap_pars_frag>\r\n#include <clippingPlanes_pars_frag>\r\nvoid main() {\r\n    #include <clippingPlanes_frag>\r\n    #include <begin_frag>\r\n    #include <color_frag>\r\n    #include <diffuseMap_frag>\r\n    #include <alphamap_frag>\r\n    #include <alphaTest_frag>\r\n    #include <normal_frag>\r\n\r\n    float roughnessFactor = u_Roughness;\r\n    #ifdef USE_ROUGHNESSMAP\r\n    \tvec4 texelRoughness = texture2D( roughnessMap, v_Uv );\r\n    \t// reads channel G, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\r\n    \troughnessFactor *= texelRoughness.g;\r\n    #endif\r\n\r\n    float metalnessFactor = u_Metalness;\r\n    #ifdef USE_METALNESSMAP\r\n    \tvec4 texelMetalness = texture2D( metalnessMap, v_Uv );\r\n    \t// reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\r\n    \tmetalnessFactor *= texelMetalness.b;\r\n    #endif\r\n\r\n    #include <light_frag>\r\n    #include <shadowMap_frag>\r\n\r\n    vec3 totalEmissiveRadiance = emissive;\r\n    #include <emissiveMap_frag>\r\n    outColor += vec4(totalEmissiveRadiance.rgb, 0.0);\r\n\r\n    #include <end_frag>\r\n    #include <encodings_frag>\r\n    #include <premultipliedAlpha_frag>\r\n    #include <fog_frag>\r\n    #include <dithering_frag>\r\n}",pbr_vert:Mr,pbr2_frag:"#define USE_PBR\r\n#define USE_PBR2\r\n\r\n#include <common_frag>\r\n#include <dithering_pars_frag>\r\n\r\n// if no light> this will not active\r\nuniform vec3 u_SpecularColor;\r\n#ifdef USE_SPECULARMAP\r\n\tuniform sampler2D specularMap;\r\n#endif\r\n\r\nuniform float glossiness;\r\n#ifdef USE_GLOSSINESSMAP\r\n\tuniform sampler2D glossinessMap;\r\n#endif\r\n\r\nuniform vec3 emissive;\r\n\r\n#include <uv_pars_frag>\r\n#include <color_pars_frag>\r\n#include <diffuseMap_pars_frag>\r\n#include <alphamap_pars_frag>\r\n#include <normalMap_pars_frag>\r\n#include <bumpMap_pars_frag>\r\n#include <envMap_pars_frag>\r\n#include <aoMap_pars_frag>\r\n#include <light_pars_frag>\r\n#include <normal_pars_frag>\r\n#include <viewModelPos_pars_frag>\r\n#include <bsdfs>\r\n#include <shadowMap_pars_frag>\r\n#include <fog_pars_frag>\r\n#include <emissiveMap_pars_frag>\r\n#include <clippingPlanes_pars_frag>\r\nvoid main() {\r\n    #include <clippingPlanes_frag>\r\n    #include <begin_frag>\r\n    #include <color_frag>\r\n    #include <diffuseMap_frag>\r\n    #include <alphamap_frag>\r\n    #include <alphaTest_frag>\r\n    #include <normal_frag>\r\n\r\n    vec3 specularFactor = u_SpecularColor;\r\n    #ifdef USE_SPECULARMAP\r\n        vec4 texelSpecular = texture2D(specularMap, v_Uv);\r\n        texelSpecular = sRGBToLinear(texelSpecular);\r\n        // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture\r\n        specularFactor *= texelSpecular.rgb;\r\n    #endif\r\n\r\n    float glossinessFactor = glossiness;\r\n    #ifdef USE_GLOSSINESSMAP\r\n        vec4 texelGlossiness = texture2D(glossinessMap, v_Uv);\r\n        // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture\r\n        glossinessFactor *= texelGlossiness.a;\r\n    #endif\r\n\r\n    #include <light_frag>\r\n    #include <shadowMap_frag>\r\n\r\n    vec3 totalEmissiveRadiance = emissive;\r\n    #include <emissiveMap_frag>\r\n    outColor += vec4(totalEmissiveRadiance.rgb, 0.0);\r\n\r\n    #include <end_frag>\r\n    #include <encodings_frag>\r\n    #include <premultipliedAlpha_frag>\r\n    #include <fog_frag>\r\n    #include <dithering_frag>\r\n}",pbr2_vert:Mr,phong_frag:"#define USE_PHONG\r\n\r\n#include <common_frag>\r\n#include <dithering_pars_frag>\r\n\r\n// if no light> this will not active\r\nuniform float u_Specular;\r\nuniform vec3 u_SpecularColor;\r\n#include <specularMap_pars_frag>\r\n\r\nuniform vec3 emissive;\r\n\r\n#include <uv_pars_frag>\r\n#include <color_pars_frag>\r\n#include <diffuseMap_pars_frag>\r\n#include <alphamap_pars_frag>\r\n#include <normalMap_pars_frag>\r\n#include <bumpMap_pars_frag>\r\n#include <light_pars_frag>\r\n#include <normal_pars_frag>\r\n#include <viewModelPos_pars_frag>\r\n#include <bsdfs>\r\n#include <envMap_pars_frag>\r\n#include <aoMap_pars_frag>\r\n#include <shadowMap_pars_frag>\r\n#include <fog_pars_frag>\r\n#include <emissiveMap_pars_frag>\r\n#include <clippingPlanes_pars_frag>\r\nvoid main() {\r\n    #include <clippingPlanes_frag>\r\n    #include <begin_frag>\r\n    #include <color_frag>\r\n    #include <diffuseMap_frag>\r\n    #include <alphamap_frag>\r\n    #include <alphaTest_frag>\r\n    #include <normal_frag>\r\n    #include <specularMap_frag>\r\n    #include <light_frag>\r\n    #include <envMap_frag>\r\n    #include <shadowMap_frag>\r\n\r\n    vec3 totalEmissiveRadiance = emissive;\r\n    #include <emissiveMap_frag>\r\n    outColor += vec4(totalEmissiveRadiance.rgb, 0.0);\r\n\r\n    #include <end_frag>\r\n    #include <encodings_frag>\r\n    #include <premultipliedAlpha_frag>\r\n    #include <fog_frag>\r\n    #include <dithering_frag>\r\n}",phong_vert:"#define USE_PHONG\r\n\r\n#include <common_vert>\r\n#include <normal_pars_vert>\r\n#include <uv_pars_vert>\r\n#include <color_pars_vert>\r\n#include <viewModelPos_pars_vert>\r\n#include <envMap_pars_vert>\r\n#include <shadowMap_pars_vert>\r\n#include <morphtarget_pars_vert>\r\n#include <skinning_pars_vert>\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <morphtarget_vert>\r\n    #include <morphnormal_vert>\r\n    #include <skinning_vert>\r\n    #include <pvm_vert>\r\n    #include <normal_vert>\r\n    #include <uv_vert>\r\n    #include <color_vert>\r\n    #include <viewModelPos_vert>\r\n    #include <envMap_vert>\r\n    #include <shadowMap_vert>\r\n}",point_frag:"#include <common_frag>\r\n#include <diffuseMap_pars_frag>\r\n#include <fog_pars_frag>\r\nvoid main() {\r\n    #include <begin_frag>\r\n    #ifdef USE_DIFFUSE_MAP\r\n        outColor *= texture2D(diffuseMap, vec2(gl_PointCoord.x, 1.0 - gl_PointCoord.y));\r\n    #endif\r\n    #include <end_frag>\r\n    #include <encodings_frag>\r\n    #include <premultipliedAlpha_frag>\r\n    #include <fog_frag>\r\n}",point_vert:"#include <common_vert>\r\nuniform float u_PointSize;\r\nuniform float u_PointScale;\r\nvoid main() {\r\n    #include <begin_vert>\r\n    #include <pvm_vert>\r\n    vec4 mvPosition = u_View * u_Model * vec4(transformed, 1.0);\r\n    #ifdef USE_SIZEATTENUATION\r\n        gl_PointSize = u_PointSize * ( u_PointScale / - mvPosition.z );\r\n    #else\r\n        gl_PointSize = u_PointSize;\r\n    #endif\r\n}"};function Sr(e){var t;return e?e.encoding&&(t=e.encoding):t=ae.LINEAR,t}function xr(e){switch(e){case ae.LINEAR:return["Linear","( value )"];case ae.SRGB:return["sRGB","( value )"];case ae.RGBE:return["RGBE","( value )"];case ae.RGBM7:return["RGBM","( value, 7.0 )"];case ae.RGBM16:return["RGBM","( value, 16.0 )"];case ae.RGBD:return["RGBD","( value, 256.0 )"];case ae.GAMMA:return["Gamma","( value, float( GAMMA_FACTOR ) )"];default:console.error("unsupported encoding: "+e)}}function yr(e,t){var r=xr(t);return"vec4 "+e+"( vec4 value ) { return "+r[0]+"ToLinear"+r[1]+"; }"}function wr(e,t,r){var n,i,a,s=["precision "+t.precision+" float;","precision "+t.precision+" int;","precision "+t.precision+" sampler2D;","#define SHADER_NAME "+t.materialType,r,2<=t.version?"#define WEBGL2":"",t.useRoughnessMap?"#define USE_ROUGHNESSMAP":"",t.useMetalnessMap?"#define USE_METALNESSMAP":"",t.useGlossinessMap?"#define USE_GLOSSINESSMAP":"",0<t.ambientLightNum?"#define USE_AMBIENT_LIGHT "+t.ambientLightNum:"",0<t.pointLightNum||0<t.directLightNum||0<t.ambientLightNum||0<t.spotLightNum?"#define USE_LIGHT":"",0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum?"#define USE_NORMAL":"",(0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum)&&t.useNormalMap?"#define USE_NORMAL_MAP":"",(0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum)&&t.useBumpMap?"#define USE_BUMPMAP":"",(0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum)&&t.useSpecularMap?"#define USE_SPECULARMAP":"",t.useEmissiveMap?"#define USE_EMISSIVEMAP "+t.useEmissiveMap:"",t.useShadow?"#define USE_SHADOW":"",t.flatShading?"#define FLAT_SHADED":"",t.flipSided?"#define FLIP_SIDED":"",t.useDiffuseMap?"#define USE_DIFFUSE_MAP "+t.useDiffuseMap:"",t.useAlphaMap?"#define USE_ALPHA_MAP "+t.useAlphaMap:"",t.useAlphaMapUVTransform?"#define USE_ALPHA_MAP_UV_TRANSFORM":"",t.useEnvMap?"#define USE_ENV_MAP":"",t.sizeAttenuation?"#define USE_SIZEATTENUATION":"",t.useAOMap?"#define USE_AOMAP "+t.useAOMap:"",t.useVertexColors==he.RGB?"#define USE_VCOLOR_RGB":"",t.useVertexColors==he.RGBA?"#define USE_VCOLOR_RGBA":"",t.useVertexTangents?"#define USE_TANGENT":"",t.morphTargets?"#define USE_MORPHTARGETS":"",t.morphNormals&&!1===t.flatShading?"#define USE_MORPHNORMALS":"",t.useSkinning?"#define USE_SKINNING":"",0<t.bonesNum?"#define MAX_BONES "+t.bonesNum:"",t.useVertexTexture?"#define BONE_TEXTURE":""].filter(br).join("\n"),o=[t.useStandardDerivatives&&t.version<2?"#extension GL_OES_standard_derivatives : enable":"",t.useShaderTextureLOD&&t.version<2?"#extension GL_EXT_shader_texture_lod : enable":"","precision "+t.precision+" float;","precision "+t.precision+" int;","precision "+t.precision+" sampler2D;",2<=t.version?"precision "+t.precision+" sampler2DShadow;":"",2<=t.version?"precision "+t.precision+" samplerCubeShadow;":"","#define SHADER_NAME "+t.materialType,"#define PI 3.14159265359","#define EPSILON 1e-6","float pow2( const in float x ) { return x*x; }","#define LOG2 1.442695","#define RECIPROCAL_PI 0.31830988618","#define saturate(a) clamp( a, 0.0, 1.0 )","#define whiteCompliment(a) ( 1.0 - saturate( a ) )","highp float rand( const in vec2 uv ) {","const highp float a = 12.9898, b = 78.233, c = 43758.5453;","highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );","return fract(sin(sn) * c);","}",r,2<=t.version?"#define WEBGL2":"",t.version<2?"#define sampler2DShadow sampler2D":"",t.useRoughnessMap?"#define USE_ROUGHNESSMAP":"",t.useMetalnessMap?"#define USE_METALNESSMAP":"",t.useGlossinessMap?"#define USE_GLOSSINESSMAP":"",0<t.ambientLightNum?"#define USE_AMBIENT_LIGHT "+t.ambientLightNum:"",0<t.pointLightNum||0<t.directLightNum||0<t.ambientLightNum||0<t.spotLightNum?"#define USE_LIGHT":"",0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum?"#define USE_NORMAL":"",(0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum)&&t.useNormalMap?"#define USE_NORMAL_MAP":"",(0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum)&&t.useBumpMap?"#define USE_BUMPMAP":"",(0<t.pointLightNum||0<t.directLightNum||0<t.spotLightNum)&&t.useSpecularMap?"#define USE_SPECULARMAP":"",t.useEmissiveMap?"#define USE_EMISSIVEMAP "+t.useEmissiveMap:"",t.useShadow?"#define USE_SHADOW":"",t.shadowType===ie.HARD?"#define USE_HARD_SHADOW":"",t.shadowType===ie.POISSON_SOFT?"#define USE_POISSON_SOFT_SHADOW":"",t.shadowType===ie.PCF3_SOFT?"#define USE_PCF3_SOFT_SHADOW":"",t.shadowType===ie.PCF5_SOFT?"#define USE_PCF5_SOFT_SHADOW":"",t.shadowType===ie.PCSS16_SOFT?"#define USE_PCSS16_SOFT_SHADOW":"",t.shadowType===ie.PCSS32_SOFT?"#define USE_PCSS32_SOFT_SHADOW":"",t.shadowType===ie.PCSS64_SOFT?"#define USE_PCSS64_SOFT_SHADOW":"",t.shadowType===ie.PCSS16_SOFT||t.shadowType===ie.PCSS32_SOFT||t.shadowType===ie.PCSS64_SOFT?"#define USE_PCSS_SOFT_SHADOW":"",t.flatShading?"#define FLAT_SHADED":"",t.doubleSided?"#define DOUBLE_SIDED":"",t.useShaderTextureLOD?"#define TEXTURE_LOD_EXT":"",t.useDiffuseMap?"#define USE_DIFFUSE_MAP "+t.useDiffuseMap:"",t.useAlphaMap?"#define USE_ALPHA_MAP "+t.useAlphaMap:"",t.useAlphaMapUVTransform?"#define USE_ALPHA_MAP_UV_TRANSFORM":"",t.useEnvMap?"#define USE_ENV_MAP":"",t.useAOMap?"#define USE_AOMAP "+t.useAOMap:"",t.useVertexColors==he.RGB?"#define USE_VCOLOR_RGB":"",t.useVertexColors==he.RGBA?"#define USE_VCOLOR_RGBA":"",t.useVertexTangents?"#define USE_TANGENT":"",t.premultipliedAlpha?"#define USE_PREMULTIPLIED_ALPHA":"",t.fog?"#define USE_FOG":"",t.fogExp2?"#define USE_EXP2_FOG":"",t.alphaTest?"#define ALPHATEST "+t.alphaTest:"",t.useEnvMap?"#define "+t.envMapCombine:"","#define GAMMA_FACTOR "+t.gammaFactor,t.dithering?"#define DITHERING":"",t.diffuseMapEncoding||t.envMapEncoding||t.emissiveMapEncoding||t.outputEncoding?gr.encodings_pars_frag:"",t.diffuseMapEncoding?yr("mapTexelToLinear",t.diffuseMapEncoding):"",t.envMapEncoding?yr("envMapTexelToLinear",t.envMapEncoding):"",t.emissiveMapEncoding?yr("emissiveMapTexelToLinear",t.emissiveMapEncoding):"",t.outputEncoding?(n="linearToOutputTexel",i=t.outputEncoding,a=xr(i),"vec4 "+n+"( vec4 value ) { return LinearTo"+a[0]+a[1]+"; }"):"",t.packDepthToRGBA?"#define DEPTH_PACKING_RGBA":""].filter(br).join("\n"),h=Er[t.materialType+"_vert"]||t.vertexShader||Er.basic_vert,c=Er[t.materialType+"_frag"]||t.fragmentShader||Er.basic_frag,u=[s,h].join("\n"),l=[o,c].join("\n");if(u=Tr(u),l=Tr(l),u=Ar(u,t),l=Ar(l,t),u=Nr(u,t),l=Nr(l,t),u=Pr(u),l=Pr(l),1<t.version){l=l.replace("#extension GL_EXT_draw_buffers : require","");for(var d=0,p=[];-1<l.indexOf("gl_FragData["+d+"]");)l=l.replace("gl_FragData["+d+"]","pc_fragData"+d),p.push("layout(location = "+d+") out vec4 pc_fragData"+d+";"),d++;l=l.replace("#define whiteCompliment(a) ( 1.0 - saturate( a ) )","#define whiteCompliment(a) ( 1.0 - saturate( a ) )\n"+p.join("\n")+"\n"),u=["#version 300 es\n","#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+u,l=["#version 300 es\n","#define varying in",-1<l.indexOf("layout")?"":"out highp vec4 pc_fragColor;","#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+l}return new vr(e,u,l)}var Tr=function(e){return e.replace(/#include +<([\w\d.]+)>/g,function(e,t){var r=gr[t];if(void 0===r)throw new Error("Can not resolve #include <"+t+">");return Tr(r)})};function br(e){return""!==e}function Ar(e,t){return e.replace(/NUM_DIR_LIGHTS/g,t.directLightNum).replace(/NUM_SPOT_LIGHTS/g,t.spotLightNum).replace(/NUM_POINT_LIGHTS/g,t.pointLightNum).replace(/NUM_DIR_SHADOWS/g,t.directShadowNum).replace(/NUM_SPOT_SHADOWS/g,t.spotShadowNum).replace(/NUM_POINT_SHADOWS/g,t.pointShadowNum)}function Nr(e,t){return e.replace(/NUM_CLIPPING_PLANES/g,t.numClippingPlanes)}function Pr(e){return e.replace(/#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g,function(e,t,r,n){for(var i="",a=parseInt(t);a<parseInt(r);a++)i+=n.replace(/\[ i \]/g,"[ "+a+" ]");return i})}function Lr(f,_,m){var v=[];this.getProgram=function(e,t,r,n){t=t||r.material;for(var i,a=n&&t.acceptLight?n.lights:null,s=n?n.fog:null,o=n?n.clippingPlanes:null,h=function(e,t,r,n,i,a,s,o){var h={};h.materialType=n.type,t=t,h.version=t.version,h.precision=n.precision||t.maxPrecision,h.useStandardDerivatives=2<=t.version||!!t.getExtension("OES_standard_derivatives")||!!t.getExtension("GL_OES_standard_derivatives"),h.useShaderTextureLOD=2<=t.version||!!t.getExtension("EXT_shader_texture_lod"),h.useDiffuseMap=n.diffuseMap?n.diffuseMapCoord+1:0,h.useAlphaMap=n.alphaMap?n.alphaMapCoord+1:0,h.useAlphaMapUVTransform=!!n.alphaMap&&n.alphaMap.useUVTransform,h.useNormalMap=!!n.normalMap,h.useBumpMap=!!n.bumpMap,h.useSpecularMap=!!n.specularMap,h.useEnvMap=!!n.envMap,h.envMapCombine=n.envMapCombine,h.useEmissiveMap=n.emissiveMap?n.emissiveMapCoord+1:0,h.useRoughnessMap=!!n.roughnessMap,h.useMetalnessMap=!!n.metalnessMap,h.useGlossinessMap=!!n.glossinessMap,h.useAOMap=n.aoMap?n.aoMapCoord+1:0,h.ambientLightNum=a?a.ambientsNum:0,h.directLightNum=a?a.directsNum:0,h.pointLightNum=a?a.pointsNum:0,h.spotLightNum=a?a.spotsNum:0,h.directShadowNum=i.receiveShadow&&a?a.directShadowNum:0,h.pointShadowNum=i.receiveShadow&&a?a.pointShadowNum:0,h.spotShadowNum=i.receiveShadow&&a?a.spotShadowNum:0,h.useShadow=i.receiveShadow&&!!a&&0<a.shadowsNum,-1<i.shadowType.indexOf("pcss")&&t.version<2?(console.warn("WebGL 1.0 not support PCSS soft shadow, fallback to POISSON_SOFT"),h.shadowType=ie.POISSON_SOFT):h.shadowType=i.shadowType,h.dithering=n.dithering;var c=e.currentRenderTarget;h.gammaFactor=r.gammaFactor,h.outputEncoding=c.texture?Sr(c.texture):r.outputEncoding,h.diffuseMapEncoding=Sr(n.diffuseMap||n.cubeMap),h.envMapEncoding=Sr(n.envMap),h.emissiveMapEncoding=Sr(n.emissiveMap),h.alphaTest=n.alphaTest,h.premultipliedAlpha=n.premultipliedAlpha,h.useVertexColors=n.vertexColors,h.useVertexTangents=!!n.normalMap&&n.vertexTangents,h.numClippingPlanes=o?o.length:0,h.flatShading=n.shading===Z.FLAT_SHADING,h.fog=!!s,h.fogExp2=!!s&&s.fogType===k.EXP2,h.sizeAttenuation=n.sizeAttenuation,h.doubleSided=n.side===q.DOUBLE,h.flipSided=n.side===q.BACK,h.packDepthToRGBA=n.packToRGBA,h.morphTargets=!!i.morphTargetInfluences,h.morphNormals=!!i.morphTargetInfluences&&i.geometry.morphAttributes.normal;var u=i.type===V.SKINNED_MESH&&i.skeleton,l=t.maxVertexUniformVectors,d=0<t.maxVertexTextures&&(!!t.getExtension("OES_texture_float")||2<=t.version),p=0;return d?p=1024:l<16*(p=i.skeleton?i.skeleton.bones.length:0)&&(console.warn("Program: too many bones ("+p+"), current cpu only support "+Math.floor(l/16)+" bones!!"),p=Math.floor(l/16)),h.useSkinning=u,h.bonesNum=p,h.useVertexTexture=d,n.type===H.SHADER&&(h.vertexShader=n.vertexShader,h.fragmentShader=n.fragmentShader),h}(_,m,e,t,r,a,s,o),c=function(e,t){var r="";for(var n in e)r+=e[n]+"_";if(void 0!==t.defines)for(var i in t.defines)r+=i+"_"+t.defines[i]+"_";return r}(h,t),u=0,l=v.length;u<l;u++){var d=v[u];if(d.code===c){++(i=d).usedTimes;break}}if(void 0===i){var p="";void 0!==t.defines&&(p=function(e){var t=[];for(var r in e){var n=e[r];!1!==n&&t.push("#define "+r+" "+n)}return t.join("\n")}(t.defines)),(i=wr(f,h,p)).code=c,v.push(i)}return i},this.releaseProgram=function(e){if(0==--e.usedTimes){var t=v.indexOf(e);v[t]=v[v.length-1],v.pop(),e.dispose(f)}},this.programs=v}function Rr(e,t,r){this.gl=e,this.properties=t,this.capabilities=r}function Cr(e,t,r,n,i,a){this.gl=e,this.state=t,this.texture=r,this.renderBuffer=n,this.properties=i,this.capabilities=a}Object.assign(Rr.prototype,{setRenderBuffer:function(e){var t=this.gl,r=this.capabilities,n=this.properties.get(e);return void 0===n.__webglRenderbuffer?(e.addEventListener("dispose",this.onRenderBufferDispose,this),n.__webglRenderbuffer=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,n.__webglRenderbuffer),0<e.multipleSampling?(r.version<2&&console.error("render buffer multipleSampling is not support in webgl 1.0."),t.renderbufferStorageMultisample(t.RENDERBUFFER,Math.min(e.multipleSampling,r.maxSamples),e.format,e.width,e.height)):t.renderbufferStorage(t.RENDERBUFFER,e.format,e.width,e.height)):t.bindRenderbuffer(t.RENDERBUFFER,n.__webglRenderbuffer),n},onRenderBufferDispose:function(e){var t=this.gl,r=e.target,n=this.properties.get(r);n.__webglRenderbuffer&&t.deleteRenderbuffer(n.__webglRenderbuffer),this.properties.delete(r)}}),Object.assign(Cr.prototype,{setRenderTarget2D:function(e){var t=this.gl,r=this.state,n=this.texture,i=this.renderBuffer,a=this.capabilities,s=this.properties.get(e);if(void 0!==s.__webglFramebuffer)t.bindFramebuffer(t.FRAMEBUFFER,s.__webglFramebuffer);else{e.addEventListener("dispose",this.onRenderTargetDispose,this),s.__webglFramebuffer=t.createFramebuffer(),t.bindFramebuffer(t.FRAMEBUFFER,s.__webglFramebuffer);var o=[];for(var h in e._attachments)if((h=Number(h))!==ce.DEPTH_ATTACHMENT&&h!==ce.DEPTH_STENCIL_ATTACHMENT||a.version<2&&!a.getExtension("WEBGL_depth_texture")&&console.warn("extension WEBGL_depth_texture is not support in webgl 1.0."),(h<=36073&&36064<=h||h<=577045&&577040<=h)&&o.push(h),e._attachments[h].isTexture){var c=n.setTexture2D(e._attachments[h]);t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,c.__webglTexture,0),r.bindTexture(t.TEXTURE_2D,null)}else{var u=i.setRenderBuffer(e._attachments[h]);t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,u.__webglRenderbuffer),t.bindRenderbuffer(t.RENDERBUFFER,null)}1<o.length&&(2<=a.version?t.drawBuffers(o):a.getExtension("WEBGL_draw_buffers")&&a.getExtension("WEBGL_draw_buffers").drawBuffersWEBGL(o));var l=t.checkFramebufferStatus(t.FRAMEBUFFER);l!==t.FRAMEBUFFER_COMPLETE&&(l===t.FRAMEBUFFER_INCOMPLETE_ATTACHMENT?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_ATTACHMENT"):l===t.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"):l===t.FRAMEBUFFER_INCOMPLETE_DIMENSIONS?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_DIMENSIONS"):l===t.FRAMEBUFFER_UNSUPPORTED?console.warn("framebuffer not complete: FRAMEBUFFER_UNSUPPORTED"):l===t.FRAMEBUFFER_INCOMPLETE_MULTISAMPLE?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_MULTISAMPLE"):console.warn("framebuffer not complete."))}},setRenderTargetCube:function(e){var t=this.gl,r=this.state,n=this.texture,i=this.renderBuffer,a=this.capabilities,s=this.properties.get(e);if(void 0!==s.__webglFramebuffer){for(var o in t.bindFramebuffer(t.FRAMEBUFFER,s.__webglFramebuffer),e._attachments)if(e._attachments[o].isTexture){c=this.properties.get(e._attachments[o]);t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_CUBE_MAP_POSITIVE_X+e.activeCubeFace,c.__webglTexture,0)}s.__currentActiveCubeFace=e.activeCubeFace}else{e.addEventListener("dispose",this.onRenderTargetDispose,this),s.__webglFramebuffer=t.createFramebuffer(),s.__currentActiveCubeFace=e.activeCubeFace,t.bindFramebuffer(t.FRAMEBUFFER,s.__webglFramebuffer);var h=[];for(var o in e._attachments)if((o=Number(o))!==ce.DEPTH_ATTACHMENT&&o!==ce.DEPTH_STENCIL_ATTACHMENT||a.version<2&&!a.getExtension("WEBGL_depth_texture")&&console.warn("extension WEBGL_depth_texture is not support in webgl 1.0."),(o<=36073&&36064<=o||o<=577045&&577040<=o)&&h.push(o),e._attachments[o].isTexture){var c=n.setTextureCube(e._attachments[o]);t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_CUBE_MAP_POSITIVE_X+e.activeCubeFace,c.__webglTexture,0),r.bindTexture(t.TEXTURE_CUBE_MAP,null)}else{var u=i.setRenderBuffer(e._attachments[o]);t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,u.__webglRenderbuffer),t.bindRenderbuffer(t.RENDERBUFFER,null)}1<h.length&&(2<=a.version?t.drawBuffers(h):a.getExtension("WEBGL_draw_buffers")&&a.getExtension("WEBGL_draw_buffers").drawBuffersWEBGL(h));var l=t.checkFramebufferStatus(t.FRAMEBUFFER);l!==t.FRAMEBUFFER_COMPLETE&&(l===t.FRAMEBUFFER_INCOMPLETE_ATTACHMENT?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_ATTACHMENT"):l===t.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"):l===t.FRAMEBUFFER_INCOMPLETE_DIMENSIONS?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_DIMENSIONS"):l===t.FRAMEBUFFER_UNSUPPORTED?console.warn("framebuffer not complete: FRAMEBUFFER_UNSUPPORTED"):l===t.FRAMEBUFFER_INCOMPLETE_MULTISAMPLE?console.warn("framebuffer not complete: FRAMEBUFFER_INCOMPLETE_MULTISAMPLE"):console.warn("framebuffer not complete."))}},blitRenderTarget:function(e,t,r,n,i){var a=this.gl,s=this.properties,o=this.capabilities;if(o.version<2)console.warn("blitFramebuffer not support by WebGL"+o.version);else{var h=s.get(e).__webglFramebuffer,c=s.get(t).__webglFramebuffer;a.bindFramebuffer(a.READ_FRAMEBUFFER,h),a.bindFramebuffer(a.DRAW_FRAMEBUFFER,c);var u=0;void 0!==r&&!r||(u|=a.COLOR_BUFFER_BIT),void 0!==n&&!n||(u|=a.DEPTH_BUFFER_BIT),void 0!==i&&!i||(u|=a.STENCIL_BUFFER_BIT),a.blitFramebuffer(0,0,e.width,e.height,0,0,t.width,t.height,u,a.NEAREST)}},updateRenderTargetMipmap:function(e){var t,r=this.gl,n=this.state,i=e.texture;if(i.generateMipmaps&&(o((t=e).width)&&o(t.height))&&i.minFilter!==r.NEAREST&&i.minFilter!==r.LINEAR){var a=i.textureType,s=this.properties.get(i).__webglTexture;n.bindTexture(a,s),r.generateMipmap(a),n.bindTexture(a,null)}},onRenderTargetDispose:function(e){var t=this.gl,r=this.state,n=e.target,i=this.properties.get(n);for(var a in n.removeEventListener("dispose",this.onRenderTargetDispose,this),i.__webglFramebuffer&&t.deleteFramebuffer(i.__webglFramebuffer),n._attachments)n._attachments[a].dispose();this.properties.delete(n),r.currentRenderTarget===n&&(r.currentRenderTarget=null)},setRenderTarget:function(e){var t=this.gl,r=this.state;if(e.view)r.currentRenderTarget===e||(t.bindFramebuffer(t.FRAMEBUFFER,null),r.currentRenderTarget=e);else{var n=void 0!==e.activeCubeFace;if(r.currentRenderTarget!==e)n?this.setRenderTargetCube(e):this.setRenderTarget2D(e),r.currentRenderTarget=e;else if(n){var i=this.properties.get(e);if(i.__currentActiveCubeFace!==e.activeCubeFace){for(var a in e._attachments){var s=this.properties.get(e._attachments[a]);t.framebufferTexture2D(t.FRAMEBUFFER,a,t.TEXTURE_CUBE_MAP_POSITIVE_X+e.activeCubeFace,s.__webglTexture,0)}i.__currentActiveCubeFace=e.activeCubeFace}}}}});var Or=new le,Fr=new Me,Ur=new WeakMap,Ir=new Float32Array(8);function Dr(e){return e.material}function Br(e){return!0}function zr(){}var Gr,Hr,kr,Vr,jr,Xr,Wr,Yr=(Hr=new Te,function(e){(!Gr||Gr.length<4*e.length)&&(Gr=new Float32Array(4*e.length));for(var t=0;t<e.length;t++)Hr.copy(e[t]),Gr[4*t+0]=Hr.normal.x,Gr[4*t+1]=Hr.normal.y,Gr[4*t+2]=Hr.normal.z,Gr[4*t+3]=Hr.constant;return Gr});function qr(e){this.gl=e;var t=new Ht;this.properties=t;var r=new Ut(e),n=new Gt(e,this.capabilities=r),i=new Yt(e,this.state=n,t,r);this.texture=i;var a=new Rr(e,t,r);this.renderTarget=new Cr(e,n,i,a,t,r),this.geometry=new Kt(e,n,t,r),this.programs=new Lr(e,n,r),this._usedTextureUnits=0,this._currentGeometryProgram=""}function Zr(){qe.call(this),this.type=V.CAMERA,this.viewMatrix=new me,this.projectionMatrix=new me,this.projectionMatrixInverse=new me,this.frustum=new be,this.gammaFactor=2,this.outputEncoding=ae.LINEAR,this.rect=new Me(0,0,1,1),this.frustumCulled=!0}function Kr(e,t){ue.call(this),this.width=e,this.height=t}function Qr(e,t,r,n){ue.call(this),this.width=e,this.height=t,this.format=void 0!==r?r:Q.RGBA8,this.multipleSampling=void 0!==n?n:0}function $r(e,t){Kr.call(this,e,t),this._attachments={},this.attach(new Ge,ce.COLOR_ATTACHMENT0),this.attach(new Qr(e,t,Q.DEPTH_STENCIL),ce.DEPTH_STENCIL_ATTACHMENT),this.activeCubeFace=0}function Jr(e){this.camera=new Zr,this.targets=[new le(1,0,0),new le(-1,0,0),new le(0,1,0),new le(0,-1,0),new le(0,0,1),new le(0,0,-1)],this.ups=[new le(0,-1,0),new le(0,-1,0),new le(0,0,1),new le(0,0,-1),new le(0,-1,0),new le(0,-1,0)],this.camera.setPerspective(.5*Math.PI,1,1,1e3),this.position=new le,this.lookTarget=new le,this.renderTarget=e||new $r(512,512),this.renderTexture=this.renderTarget.texture,this.renderTexture.minFilter=J.LINEAR_MIPMAP_LINEAR}function en(){this.depthMaterial=new Ot,this.depthMaterial.packToRGBA=!0,this.distanceMaterial=new Ft,this.oldClearColor=new Me}Object.assign(qr.prototype,{clear:function(e,t,r){var n=this.gl,i=0;void 0!==e&&!e||(i|=n.COLOR_BUFFER_BIT),void 0!==t&&!t||(i|=n.DEPTH_BUFFER_BIT),void 0!==r&&!r||(i|=n.STENCIL_BUFFER_BIT),n.clear(i)},render:function(t,e,r){var n;n=(r=void 0===r||r)?t.updateRenderList(e):t.getRenderList(e),this.renderPass(n.opaque,e,{scene:t,getMaterial:function(e){return t.overrideMaterial||e.material}}),this.renderPass(n.transparent,e,{scene:t,getMaterial:function(e){return t.overrideMaterial||e.material}})},renderPass:function(e,t,r){r=r||{};for(var n=this.gl,i=this.state,a=this.capabilities.getExtension("OES_vertex_array_object"),s=r.getMaterial||Dr,o=r.beforeRender||zr,h=r.afterRender||zr,c=r.ifRender||Br,u=r.scene||{},l=i.currentRenderTarget,d=0,p=e.length;d<p;d++){var f=e[d];if(c(f)){var _=f.object,m=s.call(this,f),v=f.geometry,g=f.group;_.onBeforeRender(f,m),o.call(this,f,m);var M=this.properties.get(m);if(!1===m.needsUpdate)if(void 0===M.program)m.needsUpdate=!0;else if(M.fog!==u.fog)m.needsUpdate=!0;else if(u.clippingPlanes&&u.clippingPlanes.length!==M.numClippingPlanes)m.needsUpdate=!0;else if(t.outputEncoding!==M.outputEncoding||t.gammaFactor!==M.gammaFactor)m.needsUpdate=!0;else{var E=m.acceptLight&&!!u.lights&&0<u.lights.totalNum;E!==M.acceptLight?m.needsUpdate=!0:E&&(u.lights.hash.compare(M.lightsHash)&&_.receiveShadow===M.receiveShadow&&_.shadowType===M.shadowType||(m.needsUpdate=!0))}if(m.needsUpdate){void 0===M.program&&m.addEventListener("dispose",this.onMaterialDispose,this);var S=M.program;M.program=this.programs.getProgram(t,m,_,u),S&&this.programs.releaseProgram(S),M.fog=u.fog,u.lights?(M.acceptLight=m.acceptLight,M.lightsHash=u.lights.hash.copyTo(M.lightsHash),M.receiveShadow=_.receiveShadow,M.shadowType=_.shadowType):M.acceptLight=!1,M.numClippingPlanes=u.clippingPlanes?u.clippingPlanes.length:0,M.outputEncoding=t.outputEncoding,M.gammaFactor=t.gammaFactor,m.needsUpdate=!1}var x=M.program;i.setProgram(x);var y=this.geometry.setGeometry(v);if(_.morphTargetInfluences&&this.updateMorphtargets(_,v,x),_.morphTargetInfluences)this.setupVertexAttributes(x,v),this._currentGeometryProgram="";else if(2<=this.capabilities.version)y._vaos[x.id]?n.bindVertexArray(y._vaos[x.id]):(y._vaos[x.id]=n.createVertexArray(),n.bindVertexArray(y._vaos[x.id]),this.setupVertexAttributes(x,v));else if(a)y._vaos[x.id]?a.bindVertexArrayOES(y._vaos[x.id]):(y._vaos[x.id]=a.createVertexArrayOES(),a.bindVertexArrayOES(y._vaos[x.id]),this.setupVertexAttributes(x,v));else{var w=x.id+"_"+v.id;w!==this._currentGeometryProgram&&(this.setupVertexAttributes(x,v),this._currentGeometryProgram=w),this._currentGeometryProgram=w}for(var T=x.uniforms,b=0,A=T.seq.length;b<A;b++){var N=T.seq[b],P=N.id;if(m.uniforms&&void 0!==m.uniforms[P])N.set(m.uniforms[P],this);else switch(P){case"u_Projection":if(_.type===V.CANVAS2D&&_.isScreenCanvas)var L=_.orthoCamera.projectionMatrix.elements;else L=t.projectionMatrix.elements;N.set(L);break;case"u_View":if(_.type===V.CANVAS2D&&_.isScreenCanvas)var R=_.orthoCamera.viewMatrix.elements;else R=t.viewMatrix.elements;N.set(R);break;case"u_Model":var C=_.worldMatrix.elements;N.set(C);break;case"u_Color":var O=m.diffuse;N.setValue(O.r,O.g,O.b);break;case"u_Opacity":N.set(m.opacity);break;case"diffuseMap":N.set(m.diffuseMap,this);break;case"alphaMap":N.set(m.alphaMap,this);break;case"normalMap":N.set(m.normalMap,this);break;case"bumpMap":N.set(m.bumpMap,this);break;case"bumpScale":N.set(m.bumpScale);break;case"envMap":N.set(m.envMap,this);break;case"cubeMap":N.set(m.cubeMap,this);break;case"u_EnvMap_Intensity":N.set(m.envMapIntensity);break;case"maxMipLevel":N.set(this.properties.get(m.envMap).__maxMipLevel||0);break;case"u_Specular":N.set(m.shininess);break;case"u_SpecularColor":O=m.specular;N.setValue(O.r,O.g,O.b);break;case"specularMap":N.set(m.specularMap,this);break;case"aoMap":N.set(m.aoMap,this);break;case"aoMapIntensity":N.set(m.aoMapIntensity);break;case"u_Roughness":N.set(m.roughness);break;case"roughnessMap":N.set(m.roughnessMap,this);break;case"u_Metalness":N.set(m.metalness);break;case"metalnessMap":N.set(m.metalnessMap,this);break;case"glossiness":N.set(m.glossiness);break;case"glossinessMap":N.set(m.glossinessMap,this);break;case"emissive":O=m.emissive;var F=m.emissiveIntensity;N.setValue(O.r*F,O.g*F,O.b*F);break;case"emissiveMap":N.set(m.emissiveMap,this);break;case"u_CameraPosition":Or.setFromMatrixPosition(t.worldMatrix),N.setValue(Or.x,Or.y,Or.z);break;case"u_FogColor":O=u.fog.color;N.setValue(O.r,O.g,O.b);break;case"u_FogDensity":N.set(u.fog.density);break;case"u_FogNear":N.set(u.fog.near);break;case"u_FogFar":N.set(u.fog.far);break;case"u_PointSize":N.set(m.size);break;case"u_PointScale":var U=.5*l.height;N.set(U);break;case"dashSize":N.set(m.dashSize);break;case"totalSize":N.set(m.dashSize+m.gapSize);break;case"scale":N.set(m.scale);break;case"clippingPlanes":var I=Yr(u.clippingPlanes||[],t);N.set(I);break;case"uvTransform":var D;(D=m.diffuseMap||m.specularMap||m.normalMap||m.bumpMap||m.roughnessMap||m.metalnessMap||m.emissiveMap)&&(D.matrixAutoUpdate&&D.updateMatrix(),N.set(D.matrix.elements));break;case"alphaMapUVTransform":m.alphaMap.updateMatrix(),N.set(m.alphaMap.matrix.elements)}}_.type===V.SKINNED_MESH&&this.uploadSkeleton(T,_,x.program),m.acceptLight&&u.lights&&this.uploadLights(T,u.lights,_.receiveShadow,t);var B=_.worldMatrix.determinant()<0;this.setStates(m,B);var z=Fr.set(l.width,l.height,l.width,l.height).multiply(t.rect);if(z.z-=z.x,z.w-=z.y,z.x=Math.floor(z.x),z.y=Math.floor(z.y),z.z=Math.floor(z.z),z.w=Math.floor(z.w),_.type===V.CANVAS2D){_.isScreenCanvas&&(_.setRenderViewport(z.x,z.y,z.z,z.w),i.viewport(_.viewport.x,_.viewport.y,_.viewport.z,_.viewport.w));for(var G=0,H=0;H<_.drawArray.length;H++){var k=_.drawArray[H];T.set("spriteTexture",k.texture,this),n.drawElements(n.TRIANGLES,6*k.count,n.UNSIGNED_SHORT,2*G),G+=6*k.count,this._usedTextureUnits=0}}else i.viewport(z.x,z.y,z.z,z.w),this.draw(v,m,g);2<=this.capabilities.version?n.bindVertexArray(null):a&&a.bindVertexArrayOES(null),this._usedTextureUnits=0,i.depthBuffer.setTest(!0),i.depthBuffer.setMask(!0),i.colorBuffer.setMask(!0),h(this,f),_.onAfterRender(f)}}},setStates:function(e,t){var r=this.state;e.transparent?r.setBlend(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha):r.setBlend(j.NONE),r.depthBuffer.setFunc(e.depthFunc),r.depthBuffer.setTest(e.depthTest),r.depthBuffer.setMask(e.depthWrite),r.colorBuffer.setMask(e.colorWrite),r.setCullFace(e.side===q.DOUBLE?Y.NONE:Y.BACK);var n=e.side===q.BACK;t&&(n=!n),r.setFlipSided(n),void 0!==e.lineWidth&&r.setLineWidth(e.lineWidth),r.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits)},draw:function(e,t,r){var n=this.gl,i=this.properties,a=this.capabilities,s=null!==e.index,o=0,h=s?e.index.count:e.getAttribute("a_Position").count,c=r?r.start:0,u=r?r.count:1/0;if(o=Math.max(o,c),h=Math.min(h,u),s){var l=i.get(e.index),d=l.bytesPerElement,p=l.type;p===n.UNSIGNED_INT&&a.version<2&&!a.getExtension("OES_element_index_uint")&&console.warn("draw elements type not support UNSIGNED_INT!"),e.isInstancedGeometry?0<e.maxInstancedCount&&(2<=a.version?n.drawElementsInstanced(t.drawMode,h,p,o*d,e.maxInstancedCount):a.getExtension("ANGLE_instanced_arrays")?a.getExtension("ANGLE_instanced_arrays").drawElementsInstancedANGLE(t.drawMode,h,p,o*d,e.maxInstancedCount):console.warn("no support instanced draw.")):n.drawElements(t.drawMode,h,p,o*d)}else e.isInstancedGeometry?0<e.maxInstancedCount&&(2<=a.version?n.drawArraysInstanced(t.drawMode,o,h,e.maxInstancedCount):a.getExtension("ANGLE_instanced_arrays")?a.getExtension("ANGLE_instanced_arrays").drawArraysInstancedANGLE(t.drawMode,o,h,e.maxInstancedCount):console.warn("no support instanced draw.")):n.drawArrays(t.drawMode,o,h)},uploadSkeleton:function(e,t,r){if(t.skeleton&&0<t.skeleton.bones.length){var n=t.skeleton,i=this.capabilities;if(n.updateBones(),0<i.maxVertexTextures&&(i.getExtension("OES_texture_float")||2<=i.version)){if(void 0===n.boneTexture){var a=Math.sqrt(4*n.bones.length);a=h(Math.ceil(a)),a=Math.max(4,a);var s=new Float32Array(a*a*4);s.set(n.boneMatrices);var o=new ze;o.image={data:s,width:a,height:a},2<=i.version&&(o.internalformat=Q.RGBA32F,o.format=Q.RGBA),o.type=$.FLOAT,o.magFilter=J.NEAREST,o.minFilter=J.NEAREST,o.generateMipmaps=!1,o.flipY=!1,n.boneMatrices=s,n.boneTexture=o}e.set("boneTexture",n.boneTexture,this),e.set("boneTextureSize",n.boneTexture.image.width)}else e.set("boneMatrices",n.boneMatrices);e.set("bindMatrix",t.bindMatrix.elements),e.set("bindMatrixInverse",t.bindMatrixInverse.elements)}},uploadLights:function(e,t,r,n){0<t.ambientsNum&&e.set("u_AmbientLightColor",t.ambient),0<t.directsNum&&(e.set("u_Directional",t.directional),e.has("directionalShadowMap")&&(2<=this.capabilities.version?e.set("directionalShadowMap",t.directionalShadowDepthMap,this):e.set("directionalShadowMap",t.directionalShadowMap,this),e.set("directionalShadowMatrix",t.directionalShadowMatrix)),e.has("directionalDepthMap")&&e.set("directionalDepthMap",t.directionalShadowMap,this)),0<t.pointsNum&&(e.set("u_Point",t.point),e.has("pointShadowMap")&&e.set("pointShadowMap",t.pointShadowMap,this)),0<t.spotsNum&&(e.set("u_Spot",t.spot),e.has("spotShadowMap")&&(2<=this.capabilities.version?e.set("spotShadowMap",t.spotShadowDepthMap,this):e.set("spotShadowMap",t.spotShadowMap,this),e.set("spotShadowMatrix",t.spotShadowMatrix)),e.has("spotDepthMap")&&e.set("spotDepthMap",t.spotShadowMap,this))},allocTexUnit:function(){var e=this._usedTextureUnits;return e>=this.capabilities.maxTextures&&console.warn("trying to use "+e+" texture units while this GPU supports only "+this.capabilities.maxTextures),this._usedTextureUnits+=1,e},updateMorphtargets:function(e,t,r){var n=e.morphTargetInfluences;Ur.has(t)||Ur.set(t,n.slice(0));for(var i=t.morphAttributes.position,a=t.morphAttributes.normal,s=Ur.get(t),o=0;o<s.length;o++){0!==(c=s[o])&&(i&&t.removeAttribute("morphTarget"+o),a&&t.removeAttribute("morphNormal"+o))}for(o=0;o<n.length;o++)s[o]=n[o];s.length=n.length;var h=0;for(o=0;o<s.length;o++){var c;0<(c=s[o])&&(i&&t.addAttribute("morphTarget"+h,i[o]),a&&t.addAttribute("morphNormal"+h,a[o]),Ir[h]=c,h++)}for(;h<8;h++)Ir[h]=0;r.uniforms.set("morphTargetInfluences",Ir)},setupVertexAttributes:function(e,t){var r=this.gl,n=e.attributes,i=this.properties,a=this.capabilities;for(var s in n){var o=n[s],h=t.getAttribute(s);if(h){var c,u=h.normalized,l=h.size;o.count!==l&&console.warn("WebGLCore: attribute "+s+" size not match! "+o.count+" : "+l);var d=(c=h.isInterleavedBufferAttribute?i.get(h.data):i.get(h)).buffer,p=c.type;o.format;var f=c.bytesPerElement;if(h.isInterleavedBufferAttribute){var _=h.data,m=_.stride,v=h.offset;r.enableVertexAttribArray(o.location),_&&_.isInstancedInterleavedBuffer&&(2<=a.version?r.vertexAttribDivisor(o.location,_.meshPerAttribute):a.getExtension("ANGLE_instanced_arrays")?a.getExtension("ANGLE_instanced_arrays").vertexAttribDivisorANGLE(o.location,_.meshPerAttribute):console.warn("vertexAttribDivisor not supported"),void 0===t.maxInstancedCount&&(t.maxInstancedCount=_.meshPerAttribute*_.count)),r.bindBuffer(r.ARRAY_BUFFER,d),r.vertexAttribPointer(o.location,o.count,p,u,f*m,f*v)}else r.enableVertexAttribArray(o.location),h&&h.isInstancedBufferAttribute&&(2<=a.version?r.vertexAttribDivisor(o.location,h.meshPerAttribute):a.getExtension("ANGLE_instanced_arrays")?a.getExtension("ANGLE_instanced_arrays").vertexAttribDivisorANGLE(o.location,h.meshPerAttribute):console.warn("vertexAttribDivisor not supported"),void 0===t.maxInstancedCount&&(t.maxInstancedCount=h.meshPerAttribute*h.count)),r.bindBuffer(r.ARRAY_BUFFER,d),r.vertexAttribPointer(o.location,o.count,p,u,0,0)}}if(t.index){var g=i.get(t.index);r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,g.buffer)}},onMaterialDispose:function(e){var t=e.target,r=this.properties.get(t);t.removeEventListener("dispose",this.onMaterialDispose,this);var n=r.program;void 0!==n&&this.programs.releaseProgram(n),this.properties.delete(t)}}),Zr.prototype=Object.assign(Object.create(qe.prototype),{constructor:Zr,lookAt:(Wr=new me,function(e,t){Wr.lookAtRH(this.position,e,t),this.quaternion.setFromRotationMatrix(Wr)}),setOrtho:function(e,t,r,n,i,a){this.projectionMatrix.set(2/(t-e),0,0,-(t+e)/(t-e),0,2/(n-r),0,-(n+r)/(n-r),0,0,-2/(a-i),-(a+i)/(a-i),0,0,0,1),this.projectionMatrixInverse.getInverse(this.projectionMatrix)},setPerspective:function(e,t,r,n){this.projectionMatrix.set(1/(t*Math.tan(e/2)),0,0,0,0,1/Math.tan(e/2),0,0,0,0,-(n+r)/(n-r),-2*n*r/(n-r),0,0,-1,0),this.projectionMatrixInverse.getInverse(this.projectionMatrix)},getWorldDirection:(Vr=new le,jr=new Se,Xr=new le,function(e){var t=e||new le;return this.worldMatrix.decompose(Vr,jr,Xr),t.set(0,0,-1).applyQuaternion(jr),t}),updateMatrix:(kr=new me,function(){qe.prototype.updateMatrix.call(this),this.viewMatrix.getInverse(this.worldMatrix),kr.multiplyMatrices(this.projectionMatrix,this.viewMatrix),this.frustum.setFromMatrix(kr)}),copy:function(e,t){return qe.prototype.copy.call(this,e,t),this.viewMatrix.copy(e.viewMatrix),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.frustum.copy(e.frustum),this.gammaFactor=e.gammaFactor,this.outputEncoding=e.outputEncoding,this.rect.copy(e.rect),this.frustumCulled=e.frustumCulled,this}}),Object.defineProperties(Zr.prototype,{gammaInput:{get:function(){return console.warn("zen3d.Camera: .gammaInput has been removed. Use texture.encoding instead."),!1},set:function(e){console.warn("zen3d.Camera: .gammaInput has been removed. Use texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("zen3d.Camera: .gammaOutput has been removed. Use .outputEncoding or renderTarget.texture.encoding instead."),this.outputEncoding==ae.GAMMA},set:function(e){console.warn("zen3d.Camera: .gammaOutput has been removed. Use .outputEncoding or renderTarget.texture.encoding instead."),this.outputEncoding=e?ae.GAMMA:ae.LINEAR}}}),Kr.prototype=Object.assign(Object.create(ue.prototype),{constructor:Kr,resize:function(e,t){return(this.width!==e||this.height!==t)&&(this.dispose(),this.width=e,this.height=t,!0)},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Qr.prototype=Object.assign(Object.create(ue.prototype),{constructor:Qr,isRenderBuffer:!0,resize:function(e,t){return(this.width!==e||this.height!==t)&&(this.dispose(),this.width=e,this.height=t,!0)},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.format=e.format,this.multipleSampling=e.multipleSampling,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),(($r.prototype=Object.create(Kr.prototype)).constructor=$r).prototype=Object.assign(Object.create(Kr.prototype),{constructor:$r,attach:function(e,t){if(e.isTexture){for(var r=!1,n=0;n<6;n++)e.images[n]&&e.images[n].rtt?e.images[n].width===this.width&&e.images[n].height===this.height||(e.images[n].width=this.width,e.images[n].height=this.height,r=!0):(e.images[n]={rtt:!0,data:null,width:this.width,height:this.height},r=!0);r&&e.version++}else e.resize(this.width,this.height);this._attachments[t||ce.COLOR_ATTACHMENT0]=e},detach:function(e){delete this._attachments[e||ce.COLOR_ATTACHMENT0]},resize:function(e,t){if(Kr.prototype.resize.call(this,e,t))for(var r in this._attachments){var n=this._attachments[r];if(n.isTexture){for(var i=0;i<6;i++)n.images[i]={rtt:!0,data:null,width:this.width,height:this.height};n.version++}else n.resize(e,t)}}}),Object.defineProperties($r.prototype,{texture:{set:function(e){e?e.isTexture&&this.attach(e,ce.COLOR_ATTACHMENT0):this.detach(ce.COLOR_ATTACHMENT0)},get:function(){var e=this._attachments[ce.COLOR_ATTACHMENT0];return e.isTexture?e:null}}}),Jr.prototype.render=function(e,t){this.camera.position.copy(this.position);for(var r=0;r<6;r++)this.lookTarget.set(this.targets[r].x+this.camera.position.x,this.targets[r].y+this.camera.position.y,this.targets[r].z+this.camera.position.z),this.camera.lookAt(this.lookTarget,this.ups[r]),this.camera.updateMatrix(),this.renderTarget.activeCubeFace=r,e.renderTarget.setRenderTarget(this.renderTarget),e.clear(!0,!0,!0),e.render(t,this.camera),e.renderTarget.updateRenderTargetMipmap(this.renderTarget)},en.prototype.render=function(e,t){var r=e.gl,n=e.state,i=n.states[r.STENCIL_TEST];i&&n.stencilBuffer.setTest(!1),this.oldClearColor.copy(n.colorBuffer.getClear()),n.colorBuffer.setClear(1,1,1,1);for(var a=t.lights.shadows,s=0;s<a.length;s++){var o=a[s],h=o.shadow,c=h.camera,u=h.renderTarget,l=o.lightType==G.POINT,d=l?6:1;2<=e.capabilities.version&&(l||h.depthMap||h._initDepthMap());for(var p=0;p<d;p++){l?(h.update(o,p),u.activeCubeFace=p):h.update(o);var f=t.updateRenderList(c);e.renderTarget.setRenderTarget(u),e.clear(!0,!0);var _=l?this.distanceMaterial:this.depthMaterial;_.uniforms=_.uniforms||{},_.uniforms.nearDistance=h.cameraNear,_.uniforms.farDistance=h.cameraFar,e.renderPass(f.opaque,c,{getMaterial:function(e){return _.side=e.material.side,_},ifRender:function(e){return e.object.castShadow}})}}i&&n.stencilBuffer.setTest(!0),n.colorBuffer.setClear(this.oldClearColor.x,this.oldClearColor.y,this.oldClearColor.z,this.oldClearColor.w)};var tn=new le,rn=new WeakMap;function nn(e){if(rn.has(e))return rn.get(e);var t;switch(e.lightType){case G.DIRECT:t={direction:new Float32Array(3),color:new Float32Array([0,0,0,1]),shadow:0,shadowBias:0,shadowRadius:1,shadowMapSize:new Float32Array(2)};break;case G.POINT:t={position:new Float32Array(3),color:new Float32Array([0,0,0,1]),distance:0,decay:0,shadow:0,shadowBias:0,shadowRadius:1,shadowMapSize:new Float32Array(2),shadowCameraNear:1,shadowCameraFar:1e3};break;case G.SPOT:t={position:new Float32Array(3),direction:new Float32Array(3),color:new Float32Array([0,0,0,1]),distance:0,coneCos:0,penumbraCos:0,decay:0,shadow:0,shadowBias:0,shadowRadius:1,shadowMapSize:new Float32Array(2)}}return rn.set(e,t),t}function an(){this._factor=new Uint16Array(4)}function sn(){this.ambient=new Float32Array([0,0,0]),this.directional=[],this.directionalShadowMap=[],this.directionalShadowDepthMap=[],this.directionalShadowMatrix=[],this.point=[],this.pointShadowMap=[],this.pointShadowMatrix=[],this.spot=[],this.spotShadowMap=[],this.spotShadowDepthMap=[],this.spotShadowMatrix=[],this.shadows=[],this.ambientsNum=0,this.directsNum=0,this.pointsNum=0,this.spotsNum=0,this.directShadowNum=0,this.pointShadowNum=0,this.spotShadowNum=0,this.shadowsNum=0,this.totalNum=0,this.hash=new an}Object.assign(an.prototype,{update:function(e){this._factor[0]=e.ambientsNum,this._factor[1]=e.directsNum,this._factor[2]=e.pointsNum,this._factor[3]=e.spotsNum},compare:function(e){return!!e&&!(this._factor[0]!==e[0]||this._factor[1]!==e[1]||this._factor[2]!==e[2]||this._factor[3]!==e[3])},copyTo:function(e){return(e=e||new Uint16Array(4)).set(this._factor),e}}),Object.assign(sn.prototype,{startCount:function(){for(var e=0;e<3;e++)this.ambient[e]=0;this.shadows.length=0,this.ambientsNum=0,this.directsNum=0,this.pointsNum=0,this.spotsNum=0,this.directShadowNum=0,this.pointShadowNum=0,this.spotShadowNum=0,this.shadowsNum=0,this.totalNum=0},add:function(e){e.lightType==G.AMBIENT?this._doAddAmbientLight(e):e.lightType==G.DIRECT?this._doAddDirectLight(e):e.lightType==G.POINT?this._doAddPointLight(e):e.lightType==G.SPOT&&this._doAddSpotLight(e),e.castShadow&&e.lightType!==G.AMBIENT&&(this.shadows.push(e),this.shadowsNum++),this.totalNum++},endCount:function(){this.hash.update(this)},_doAddAmbientLight:function(e){var t=e.intensity,r=e.color;this.ambient[0]+=r.r*t,this.ambient[1]+=r.g*t,this.ambient[2]+=r.b*t,this.ambientsNum++},_doAddDirectLight:function(e){var t=e.intensity,r=e.color,n=nn(e);n.color[0]=r.r*t,n.color[1]=r.g*t,n.color[2]=r.b*t;var i=tn;if(e.getWorldDirection(i),n.direction[0]=i.x,n.direction[1]=i.y,n.direction[2]=i.z,e.castShadow?(n.shadow=1,n.shadowBias=e.shadow.bias,n.shadowRadius=e.shadow.radius,n.shadowMapSize[0]=e.shadow.mapSize.x,n.shadowMapSize[1]=e.shadow.mapSize.y,this.directShadowNum++):n.shadow=0,e.castShadow){var a=16*(this.directsNum+1);if(this.directionalShadowMatrix.length<a){var s=this.directionalShadowMatrix;this.directionalShadowMatrix=new Float32Array(a),this.directionalShadowMatrix.set(s)}this.directionalShadowMatrix.set(e.shadow.matrix.elements,16*this.directsNum),this.directionalShadowMap[this.directsNum]=e.shadow.map,this.directionalShadowDepthMap[this.directsNum]=e.shadow.depthMap}this.directional[this.directsNum]=n,this.directsNum++},_doAddPointLight:function(e){var t=e.intensity,r=e.color,n=e.distance,i=e.decay,a=nn(e);a.color[0]=r.r*t,a.color[1]=r.g*t,a.color[2]=r.b*t,a.distance=n,a.decay=i;var s=tn.setFromMatrixPosition(e.worldMatrix);if(a.position[0]=s.x,a.position[1]=s.y,a.position[2]=s.z,e.castShadow?(a.shadow=1,a.shadowBias=e.shadow.bias,a.shadowRadius=e.shadow.radius,a.shadowMapSize[0]=e.shadow.mapSize.x,a.shadowMapSize[1]=e.shadow.mapSize.y,a.shadowCameraNear=e.shadow.cameraNear,a.shadowCameraFar=e.shadow.cameraFar,this.pointShadowNum++):a.shadow=0,e.castShadow){var o=16*(this.pointsNum+1);if(this.pointShadowMatrix.length<o){var h=this.pointShadowMatrix;this.pointShadowMatrix=new Float32Array(o),this.pointShadowMatrix.set(h)}this.pointShadowMatrix.set(e.shadow.matrix.elements,16*this.pointsNum),this.pointShadowMap[this.pointsNum]=e.shadow.map}this.point[this.pointsNum]=a,this.pointsNum++},_doAddSpotLight:function(e){var t=e.intensity,r=e.color,n=e.distance,i=e.decay,a=nn(e);a.color[0]=r.r*t,a.color[1]=r.g*t,a.color[2]=r.b*t,a.distance=n,a.decay=i;var s=tn.setFromMatrixPosition(e.worldMatrix);a.position[0]=s.x,a.position[1]=s.y,a.position[2]=s.z;var o=tn;e.getWorldDirection(tn),a.direction[0]=o.x,a.direction[1]=o.y,a.direction[2]=o.z;var h=Math.cos(e.angle),c=Math.cos(e.angle*(1-e.penumbra));if(a.coneCos=h,a.penumbraCos=c,e.castShadow?(a.shadow=1,a.shadowBias=e.shadow.bias,a.shadowRadius=e.shadow.radius,a.shadowMapSize[0]=e.shadow.mapSize.x,a.shadowMapSize[1]=e.shadow.mapSize.y,this.spotShadowNum++):a.shadow=0,e.castShadow){var u=16*(this.spotsNum+1);if(this.spotShadowMatrix.length<u){var l=this.spotShadowMatrix;this.spotShadowMatrix=new Float32Array(u),this.spotShadowMatrix.set(l)}this.spotShadowMatrix.set(e.shadow.matrix.elements,16*this.spotsNum),this.spotShadowMap[this.spotsNum]=e.shadow.map,this.spotShadowDepthMap[this.spotsNum]=e.shadow.depthMap}this.spot[this.spotsNum]=a,this.spotsNum++}});function on(e,t){return e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function hn(e,t){return e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.material.id!==t.material.id?e.material.id-t.material.id:e.id-t.id}var cn,un,ln,dn,pn,fn,_n,mn,vn,gn,Mn,En,Sn,xn=new le,yn=new we;function wn(){var s=[],o=0,h=[],c=0,u=[],l=0;function d(e,t,r,n,i){var a=s[o];void 0===a?(a={object:e,geometry:t,material:r,z:n,renderOrder:e.renderOrder,group:i},s[o]=a):(a.object=e,a.geometry=t,a.material=r,a.z=n,a.renderOrder=e.renderOrder,a.group=i),r.transparent?(u[l]=a,l++):(h[c]=a,c++),o++}return{opaque:h,transparent:u,startCount:function(){l=c=o=0},add:function(e,t){if(e.frustumCulled&&t.frustumCulled&&(yn.copy(e.geometry.boundingSphere).applyMatrix4(e.worldMatrix),!t.frustum.intersectsSphere(yn)))return;if(xn.setFromMatrixPosition(e.worldMatrix),xn.project(t),Array.isArray(e.material))for(var r=e.geometry.groups,n=0;n<r.length;n++){var i=r[n],a=e.material[i.materialIndex];a&&d(e,e.geometry,a,xn.z,i)}else d(e,e.geometry,e.material,xn.z)},endCount:function(){h.length=c,u.length=l},sort:function(){h.sort(on),u.sort(hn)}}}function Tn(){qe.call(this),this.type=V.SCENE,this.overrideMaterial=null,this.fog=null,this.clippingPlanes=[],this.lights=new sn,this._renderListMap=new WeakMap}function bn(e,t){qe.call(this),this.geometry=e,this.material=t,this.morphTargetInfluences=null,this.type=V.MESH}function An(e,t,r,n,i,a,s){var o=e.material;if(null===(o.side===q.BACK?r.intersectTriangle(a,i,n,!0,s):r.intersectTriangle(n,i,a,o.side!==q.DOUBLE,s)))return null;Sn.copy(s),Sn.applyMatrix4(e.worldMatrix);var h=t.ray.origin.distanceTo(Sn);return h<t.near||h>t.far?null:{distance:h,point:Sn.clone(),object:e}}function Nn(e){var t=new Tn,r=this.camera=new Zr;r.frustumCulled=!1,r.position.set(0,1,0),r.lookAt(new le(0,0,0),new le(0,0,-1)),r.setOrtho(-1,1,-1,1,.1,2),t.add(r);var n=new Et(2,2,1,1),i=this.material=new Ct(e);this.uniforms=i.uniforms;var a=new bn(n,i);a.frustumCulled=!1,t.add(a),t.updateMatrix(),this.renderList=t.updateRenderList(r),this.renderConfig={}}function Pn(e){Kr.call(this,e.width,e.height),this.view=e}function Ln(e,t){var r={antialias:!0,alpha:!1,stencil:!0},n=e.getContext("webgl2",t||r)||e.getContext("webgl",t||r);this.glCore=new qr(n),console.info("ForwardRenderer use WebGL Version: "+this.glCore.capabilities.version),this.backRenderTarget=new Pn(e),this.shadowMapPass=new en,this.shadowAutoUpdate=!0,this.shadowNeedsUpdate=!1,this.matrixAutoUpdate=!0,this.lightsAutoupdate=!0,this.autoClear=!0}function Rn(e,t){Kr.call(this,e,t),this._attachments={},this.attach(new ze,ce.COLOR_ATTACHMENT0),this.attach(new Qr(e,t,Q.DEPTH_STENCIL),ce.DEPTH_STENCIL_ATTACHMENT)}function Cn(){qe.call(this),this.type=V.GROUP}function On(e,t){qe.call(this),this.type=V.LIGHT,this.lightType="",this.color=new Ae(void 0!==e?e:16777215),this.intensity=void 0!==t?t:1}function Fn(e,t){On.call(this,e,t),this.lightType=G.AMBIENT}function Un(){this.camera=new Zr,this.matrix=new me,this.bias=3e-4,this.radius=2,this.cameraNear=1,this.cameraFar=500,this.mapSize=new ge(512,512),this.renderTarget=null,this.map=null}function In(){Un.call(this),this.camera.frustumCulled=!1,this.renderTarget=new Rn(this.mapSize.x,this.mapSize.y);var e=this.renderTarget.texture;e.generateMipmaps=!1,e.minFilter=J.LINEAR,this.map=e,this.depthMap=null,this.windowSize=500,this._lookTarget=new le,this._up=new le(0,1,0)}function Dn(e,t){On.call(this,e,t),this.lightType=G.DIRECT,this.shadow=new In}function Bn(){Un.call(this),this.renderTarget=new $r(this.mapSize.x,this.mapSize.y);var e=this.renderTarget.texture;e.generateMipmaps=!1,e.minFilter=J.LINEAR,this.map=e,this._targets=[new le(1,0,0),new le(-1,0,0),new le(0,1,0),new le(0,-1,0),new le(0,0,1),new le(0,0,-1)],this._ups=[new le(0,-1,0),new le(0,-1,0),new le(0,0,1),new le(0,0,-1),new le(0,-1,0),new le(0,-1,0)],this._lookTarget=new le}function zn(e,t,r,n){On.call(this,e,t),this.lightType=G.POINT,this.decay=void 0!==n?n:1,this.distance=void 0!==r?r:200,this.shadow=new Bn}function Gn(){Un.call(this),this.renderTarget=new Rn(this.mapSize.x,this.mapSize.y);var e=this.renderTarget.texture;e.generateMipmaps=!1,e.minFilter=J.LINEAR,this.map=e,this.depthMap=null,this._lookTarget=new le,this._up=new le(0,1,0)}function Hn(e,t,r,n,i,a){On.call(this,e,t),this.lightType=G.SPOT,this.decay=void 0!==a?a:1,this.distance=void 0!==r?r:200,this.penumbra=void 0!==i?i:0,this.angle=void 0!==n?n:Math.PI/6,this.shadow=new Gn}function kn(e,t){bn.call(this,e,t),this.type=V.SKINNED_MESH,this.skeleton=void 0,this.bindMode="attached",this.bindMatrix=new me,this.bindMatrixInverse=new me}Tn.prototype=Object.assign(Object.create(qe.prototype),{constructor:Tn,updateRenderList:function(e){this._renderListMap.has(e)||this._renderListMap.set(e,new wn);var t=this._renderListMap.get(e);return t.startCount(),this._doUpdateRenderList(this,e,t),t.endCount(),t.sort(),t},getRenderList:function(e){return this._renderListMap.get(e)},updateLights:function(){var e=this.lights;return e.startCount(),this._doUpdateLights(this),e.endCount(),e},_doUpdateRenderList:function(e,t,r){if(e.visible&&(e.geometry&&e.material&&r.add(e,t),V.CANVAS2D!==e.type))for(var n=e.children,i=0,a=n.length;i<a;i++)this._doUpdateRenderList(n[i],t,r)},_doUpdateLights:function(e){if(e.visible&&(V.LIGHT===e.type&&this.lights.add(e),V.CANVAS2D!==e.type))for(var t=e.children,r=0,n=t.length;r<n;r++)this._doUpdateLights(t[r])}}),bn.prototype=Object.assign(Object.create(qe.prototype),{constructor:bn,raycast:(cn=new we,un=new ye,ln=new me,dn=new de,pn=new le,fn=new le,_n=new le,mn=new le,vn=new ge,gn=new ge,Mn=new ge,En=new le,Sn=new le,function(e,t){var r=this.geometry,n=this.worldMatrix;if(cn.copy(r.boundingSphere),cn.applyMatrix4(n),e.ray.intersectsSphere(cn)&&(un.copy(r.boundingBox),un.applyMatrix4(n),e.ray.intersectsBox(un))){ln.getInverse(n),dn.copy(e.ray).applyMatrix4(ln);for(var i,a,s,o,h,c,u=r.index.array,l=r.getAttribute("a_Position"),d=r.getAttribute("a_Uv"),p=0;p<u.length;p+=3){i=u[p],a=u[p+1],s=u[p+2],fn.fromArray(l.array,3*i),_n.fromArray(l.array,3*a),mn.fromArray(l.array,3*s);var f=An(this,e,dn,fn,_n,mn,En);f&&(vn.fromArray(d.array,2*i),gn.fromArray(d.array,2*a),Mn.fromArray(d.array,2*s),f.uv=(o=vn,h=gn,c=Mn,Pe.barycoordFromPoint(En,fn,_n,mn,pn),o.multiplyScalar(pn.x),h.multiplyScalar(pn.y),c.multiplyScalar(pn.z),o.add(h).add(c),o.clone()),f.face=[i,a,s],f.faceIndex=i,t.push(f))}}}),copy:function(e){return qe.prototype.copy.call(this,e),e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),this},clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}}),Nn.prototype.render=function(e){e.renderPass(this.renderList.opaque,this.camera,this.renderConfig)},Pn.prototype=Object.assign(Object.create(Kr.prototype),{constructor:Pn,resize:function(e,t){this.view.width=e,this.view.height=t,this.width=e,this.height=t},dispose:function(){}}),Ln.prototype.render=function(e,t,r,n){this.matrixAutoUpdate&&e.updateMatrix(),this.lightsAutoupdate&&e.updateLights(),(this.shadowAutoUpdate||this.shadowNeedsUpdate)&&(this.shadowMapPass.render(this.glCore,e),this.shadowNeedsUpdate=!1),void 0===r&&(r=this.backRenderTarget),this.glCore.renderTarget.setRenderTarget(r),(this.autoClear||n)&&this.glCore.clear(!0,!0,!0),this.glCore.render(e,t),r.texture&&this.glCore.renderTarget.updateRenderTargetMipmap(r)},Rn.prototype=Object.assign(Object.create(Kr.prototype),{constructor:Rn,attach:function(e,t){e.isTexture?e.image&&e.image.rtt?e.image.width===this.width&&e.image.height===this.height||(e.version++,e.image.width=this.width,e.image.height=this.height):(e.version++,e.image={rtt:!0,data:null,width:this.width,height:this.height}):e.resize(this.width,this.height),this._attachments[t||ce.COLOR_ATTACHMENT0]=e},detach:function(e){delete this._attachments[e||ce.COLOR_ATTACHMENT0]},resize:function(e,t){var r=Kr.prototype.resize.call(this,e,t);if(r)for(var n in this._attachments){var i=this._attachments[n];i.isTexture?(i.image={rtt:!0,data:null,width:this.width,height:this.height},i.version++):i.resize(e,t)}return r}}),Object.defineProperties(Rn.prototype,{texture:{set:function(e){e?e.isTexture&&this.attach(e,ce.COLOR_ATTACHMENT0):this.detach(ce.COLOR_ATTACHMENT0)},get:function(){var e=this._attachments[ce.COLOR_ATTACHMENT0];return e.isTexture?e:null}}}),(Cn.prototype=Object.create(qe.prototype)).constructor=Cn,On.prototype=Object.assign(Object.create(qe.prototype),{constructor:On,copy:function(e){return qe.prototype.copy.call(this,e),this.type=e.type,this.lightType=e.lightType,this.color.copy(e.color),this.intensity=e.intensity,this}}),(Fn.prototype=Object.create(On.prototype)).constructor=Fn,Object.assign(Un.prototype,{update:function(e,t){},copy:function(e){return this.camera.copy(e.camera),this.matrix.copy(e.matrix),this.bias=e.bias,this.radius=e.radius,this.cameraNear=e.cameraNear,this.cameraFar=e.cameraFar,this.mapSize.copy(e.mapSize),this},clone:function(){return(new this.constructor).copy(this)}}),In.prototype=Object.assign(Object.create(Un.prototype),{constructor:In,update:function(e){this._updateCamera(e),this._updateMatrix(),this.mapSize.x===this.renderTarget.width&&this.mapSize.y===this.renderTarget.height||this.renderTarget.resize(this.mapSize.x,this.mapSize.y)},_updateCamera:function(e){var t=this.camera,r=this._lookTarget;e.getWorldDirection(this._lookTarget),t.position.setFromMatrixPosition(e.worldMatrix),r.set(r.x+t.position.x,r.y+t.position.y,r.z+t.position.z),t.lookAt(r,this._up),t.updateMatrix();var n=this.windowSize/2;t.setOrtho(-n,n,-n,n,this.cameraNear,this.cameraFar)},_updateMatrix:function(){var e=this.matrix,t=this.camera;e.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),e.multiply(t.projectionMatrix),e.multiply(t.viewMatrix)},copy:function(e){return Un.prototype.copy.call(this,e),this.windowSize=e.windowSize,this},_initDepthMap:function(){var e=new ze;e.type=$.FLOAT_32_UNSIGNED_INT_24_8_REV,e.format=Q.DEPTH_STENCIL,e.internalformat=Q.DEPTH32F_STENCIL8,e.magFilter=J.LINEAR,e.minFilter=J.LINEAR,e.compare=te.LESS,e.generateMipmaps=!1,this.renderTarget.attach(e,ce.DEPTH_STENCIL_ATTACHMENT),this.depthMap=e}}),Dn.prototype=Object.assign(Object.create(On.prototype),{constructor:Dn,copy:function(e){return On.prototype.copy.call(this,e),this.shadow.copy(e.shadow),this}}),Bn.prototype=Object.assign(Object.create(Un.prototype),{constructor:Bn,update:function(e,t){this._updateCamera(e,t),this._updateMatrix(),this.mapSize.x===this.renderTarget.width&&this.mapSize.y===this.renderTarget.height||this.renderTarget.resize(this.mapSize.x,this.mapSize.y)},_updateCamera:function(e,t){var r=this.camera,n=this._lookTarget,i=this._targets,a=this._ups;r.position.setFromMatrixPosition(e.worldMatrix),n.set(i[t].x+r.position.x,i[t].y+r.position.y,i[t].z+r.position.z),r.lookAt(n,a[t]),r.updateMatrix(),r.setPerspective(.5*Math.PI,1,this.cameraNear,this.cameraFar)},_updateMatrix:function(){var e=this.matrix,t=this.camera;e.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),e.multiply(t.projectionMatrix),e.multiply(t.viewMatrix)}}),zn.prototype=Object.assign(Object.create(On.prototype),{constructor:zn,copy:function(e){return On.prototype.copy.call(this,e),this.shadow.copy(e.shadow),this}}),Gn.prototype=Object.assign(Object.create(Un.prototype),{constructor:Gn,update:function(e){this._updateCamera(e),this._updateMatrix(),this.mapSize.x===this.renderTarget.width&&this.mapSize.y===this.renderTarget.height||this.renderTarget.resize(this.mapSize.x,this.mapSize.y)},_updateCamera:function(e){var t=this.camera,r=this._lookTarget;e.getWorldDirection(this._lookTarget),t.position.setFromMatrixPosition(e.worldMatrix),r.set(r.x+t.position.x,r.y+t.position.y,r.z+t.position.z),t.lookAt(r,this._up),t.updateMatrix(),t.setPerspective(2*e.angle,1,this.cameraNear,this.cameraFar)},_updateMatrix:function(){var e=this.matrix,t=this.camera;e.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),e.multiply(t.projectionMatrix),e.multiply(t.viewMatrix)},_initDepthMap:function(){var e=new ze;e.type=$.FLOAT_32_UNSIGNED_INT_24_8_REV,e.format=Q.DEPTH_STENCIL,e.internalformat=Q.DEPTH32F_STENCIL8,e.magFilter=J.LINEAR,e.minFilter=J.LINEAR,e.compare=te.LESS,e.generateMipmaps=!1,this.renderTarget.attach(e,ce.DEPTH_STENCIL_ATTACHMENT),this.depthMap=e}}),Hn.prototype=Object.assign(Object.create(On.prototype),{constructor:Hn,copy:function(e){return On.prototype.copy.call(this,e),this.shadow.copy(e.shadow),this}}),kn.prototype=Object.assign(Object.create(bn.prototype),{constructor:kn,bind:function(e,t){this.skeleton=e,void 0===t&&(this.updateMatrix(),t=this.worldMatrix),this.bindMatrix.copy(t),this.bindMatrixInverse.getInverse(t)},updateMatrix:function(){bn.prototype.updateMatrix.call(this),"attached"===this.bindMode?this.bindMatrixInverse.getInverse(this.worldMatrix):"detached"===this.bindMode?this.bindMatrixInverse.getInverse(this.bindMatrix):console.warn("zen3d.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)},clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}}),e.ATTACHMENT=ce,e.AmbientLight=Fn,e.AnimationMixer=tt,e.BLEND_EQUATION=X,e.BLEND_FACTOR=W,e.BLEND_TYPE=j,e.BasicMaterial=Tt,e.Bone=Ze,e.BooleanKeyframeTrack=nt,e.Box2=xe,e.Box3=ye,e.BufferAttribute=ut,e.CULL_FACE_TYPE=Y,e.Camera=Zr,e.Color3=Ae,e.ColorKeyframeTrack=it,e.CubeGeometry=pt,e.Curve=Le,e.CylinderGeometry=ft,e.DRAW_BUFFER={DRAW_BUFFER0:34853,DRAW_BUFFER1:34854,DRAW_BUFFER2:34855,DRAW_BUFFER3:34856,DRAW_BUFFER4:34857,DRAW_BUFFER5:34858,DRAW_BUFFER6:34859,DRAW_BUFFER7:34860,DRAW_BUFFER8:34861,DRAW_BUFFER9:34862,DRAW_BUFFER10:34863,DRAW_BUFFER11:34864,DRAW_BUFFER12:34865,DRAW_BUFFER13:34866,DRAW_BUFFER14:34867,DRAW_BUFFER15:34868},e.DRAW_MODE=oe,e.DRAW_SIDE=q,e.DefaultLoadingManager=Fe,e.DepthMaterial=Ot,e.DirectionalLight=Dn,e.DirectionalLightShadow=In,e.DistanceMaterial=Ft,e.ENVMAP_COMBINE_TYPE=se,e.EnvironmentMapPass=Jr,e.Euler=ve,e.EventDispatcher=ue,e.FOG_TYPE=k,e.FileLoader=Ie,e.Fog=function(e,t,r){this.fogType=k.NORMAL,this.color=new Ae(void 0!==e?e:0),this.near=void 0!==t?t:1,this.far=void 0!==r?r:1e3},e.FogExp2=function(e,t){this.fogType=k.EXP2,this.color=new Ae(void 0!==e?e:0),this.density=void 0!==t?t:25e-5},e.Frustum=be,e.Geometry=dt,e.Group=Cn,e.ImageLoader=Ue,e.InstancedBufferAttribute=_t,e.InstancedGeometry=mt,e.InstancedInterleavedBuffer=gt,e.InterleavedBuffer=vt,e.InterleavedBufferAttribute=Mt,e.KeyframeClip=at,e.KeyframeTrack=rt,e.LIGHT_TYPE=G,e.LambertMaterial=bt,e.Light=On,e.LightCache=sn,e.LightShadow=Un,e.LineMaterial=Rt,e.LoadingManager=Oe,e.MATERIAL_TYPE=H,e.Material=wt,e.Matrix3=Ee,e.Matrix4=me,e.Mesh=bn,e.NumberKeyframeTrack=st,e.OBJECT_TYPE=V,e.Object3D=qe,e.PBR2Material=Pt,e.PBRMaterial=Nt,e.PhongMaterial=At,e.Plane=Te,e.PlaneGeometry=Et,e.PointLight=zn,e.PointLightShadow=Bn,e.PointsMaterial=Lt,e.PropertyBindingMixer=et,e.Quaternion=Se,e.QuaternionKeyframeTrack=ot,e.RGBELoader=Be,e.Ray=de,e.Raycaster=pe,e.RenderBuffer=Qr,e.RenderList=wn,e.RenderTarget2D=Rn,e.RenderTargetBack=Pn,e.RenderTargetBase=Kr,e.RenderTargetCube=$r,e.Renderer=Ln,e.SHADING_TYPE=Z,e.SHADOW_TYPE=ie,e.Scene=Tn,e.ShaderChunk=gr,e.ShaderLib=Er,e.ShaderMaterial=Ct,e.ShaderPostPass=Nn,e.ShadowMapPass=en,e.Skeleton=Ke,e.SkinnedMesh=kn,e.Sphere=we,e.SphereGeometry=St,e.Spherical=Re,e.SpotLight=Hn,e.SpotLightShadow=Gn,e.StringKeyframeTrack=ht,e.TEXEL_ENCODING_TYPE=ae,e.TGALoader=De,e.Texture2D=ze,e.Texture3D=He,e.TextureBase=Ce,e.TextureCube=Ge,e.TorusKnotGeometry=xt,e.Triangle=Pe,e.VERTEX_COLOR=he,e.Vector2=ge,e.Vector3=le,e.Vector4=Me,e.VectorKeyframeTrack=ct,e.WEBGL_ATTRIBUTE_TYPE=ne,e.WEBGL_COMPARE_FUNC=te,e.WEBGL_PIXEL_FORMAT=Q,e.WEBGL_PIXEL_TYPE=$,e.WEBGL_TEXTURE_FILTER=J,e.WEBGL_TEXTURE_TYPE=K,e.WEBGL_TEXTURE_WRAP=ee,e.WEBGL_UNIFORM_TYPE=re,e.WebGLAttribute=fr,e.WebGLCapabilities=Ut,e.WebGLCore=qr,e.WebGLGeometry=Kt,e.WebGLProgram=vr,e.WebGLPrograms=Lr,e.WebGLProperties=Ht,e.WebGLState=Gt,e.WebGLTexture=Yt,e.WebGLUniforms=pr,e.cloneUniforms=c,e.generateUUID=a,e.isPowerOfTwo=o,e.nearestPowerOfTwo=s,e.nextPowerOfTwo=h,Object.defineProperty(e,"__esModule",{value:!0})});