149 lines
5.6 KiB
JavaScript
149 lines
5.6 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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var Circle = require('react-art/Circle');
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var React = require('react');
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var ReactART = require('react-art');
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var Group = ReactART.Group;
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var Shape = ReactART.Shape;
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var Surface = ReactART.Surface;
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var Transform = ReactART.Transform;
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var MOUSE_UP_DRAG = 0.978;
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var MOUSE_DOWN_DRAG = 0.9;
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var MAX_VEL = 11;
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var CLICK_ACCEL = 3;
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var BASE_VEL = 0.15;
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/**
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* An animated SVG component.
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*/
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class VectorWidget extends React.Component {
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/**
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* Initialize state members.
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*/
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state = {degrees: 0, velocity: 0, drag: MOUSE_UP_DRAG};
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/**
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* When the component is mounted into the document - this is similar to a
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* constructor, but invoked when the instance is actually mounted into the
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* document. Here, we'll just set up an animation loop that invokes our
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* method. Binding of `this.onTick` is not needed because all React methods
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* are automatically bound before being mounted.
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*/
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componentDidMount() {
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this._interval = window.setInterval(this.onTick, 20);
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}
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componentWillUnmount() {
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window.clearInterval(this._interval);
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}
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onTick = () => {
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var nextDegrees = this.state.degrees + BASE_VEL + this.state.velocity;
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var nextVelocity = this.state.velocity * this.state.drag;
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this.setState({degrees: nextDegrees, velocity: nextVelocity});
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};
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/**
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* When mousing down, we increase the friction down the velocity.
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*/
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handleMouseDown = () => {
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this.setState({drag: MOUSE_DOWN_DRAG});
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};
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/**
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* Cause the rotation to "spring".
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*/
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handleMouseUp = () => {
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var nextVelocity = Math.min(this.state.velocity + CLICK_ACCEL, MAX_VEL);
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this.setState({velocity: nextVelocity, drag: MOUSE_UP_DRAG});
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};
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/**
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* This is the "main" method for any component. The React API allows you to
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* describe the structure of your UI component at *any* point in time.
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*/
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render() {
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return (
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<Surface width={700} height={700} style={{cursor: 'pointer'}}>
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{this.renderGraphic(this.state.degrees)}
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</Surface>
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);
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}
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/**
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* Better SVG support for React coming soon.
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*/
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renderGraphic = rotation => {
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return (
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<Group onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
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<Group x={210} y={135}>
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<Shape fill="rgba(0,0,0,0.1)" d={BORDER_PATH} />
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<Shape fill="#7BC7BA" d={BG_PATH} />
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<Shape fill="#DCDCDC" d={BAR_PATH} />
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<Shape fill="#D97B76" d={RED_DOT_PATH} />
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<Shape fill="#DBBB79" d={YELLOW_DOT_PATH} />
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<Shape fill="#A6BD8A" d={GREEN_DOT_PATH} />
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<Group x={55} y={29}>
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<Group rotation={rotation} originX={84} originY={89}>
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<Group x={84} y={89}>
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<Circle fill="#FFFFFF" radius={16} />
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</Group>
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<Group>
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<Shape d={RING_ONE_PATH} stroke="#FFFFFF" strokeWidth={8} />
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<Shape
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d={RING_TWO_PATH}
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transform={RING_TWO_ROTATE}
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stroke="#FFFFFF"
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strokeWidth={8}
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/>
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<Shape
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d={RING_THREE_PATH}
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transform={RING_THREE_ROTATE}
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stroke="#FFFFFF"
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strokeWidth={8}
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/>
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</Group>
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</Group>
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</Group>
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</Group>
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</Group>
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);
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};
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}
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var BORDER_PATH =
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'M3.00191459,4 C1.34400294,4 0,5.34785514 0,7.00550479 L0,220.994495 C0,222.65439 1.34239483,224 3.00191459,224 L276.998085,224 C278.655997,224 280,222.652145 280,220.994495 L280,7.00550479 C280,5.34561033 278.657605,4 276.998085,4 L3.00191459,4 Z M3.00191459,4';
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var BG_PATH =
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'M3.00191459,1 C1.34400294,1 0,2.34785514 0,4.00550479 L0,217.994495 C0,219.65439 1.34239483,221 3.00191459,221 L276.998085,221 C278.655997,221 280,219.652145 280,217.994495 L280,4.00550479 C280,2.34561033 278.657605,1 276.998085,1 L3.00191459,1 Z M3.00191459,1';
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var BAR_PATH =
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'M3.00191459,0 C1.34400294,0 0,1.34559019 0,3.00878799 L0,21 C0,21 0,21 0,21 L280,21 C280,21 280,21 280,21 L280,3.00878799 C280,1.34708027 278.657605,0 276.998085,0 L3.00191459,0 Z M3.00191459,0';
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var RED_DOT_PATH =
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'M12.5,17 C16.0898511,17 19,14.0898511 19,10.5 C19,6.91014895 16.0898511,4 12.5,4 C8.91014895,4 6,6.91014895 6,10.5 C6,14.0898511 8.91014895,17 12.5,17 Z M12.5,17';
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var YELLOW_DOT_PATH =
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'M31.5,17 C35.0898511,17 38,14.0898511 38,10.5 C38,6.91014895 35.0898511,4 31.5,4 C27.9101489,4 25,6.91014895 25,10.5 C25,14.0898511 27.9101489,17 31.5,17 Z M31.5,17';
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var GREEN_DOT_PATH =
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'M50.5,17 C54.0898511,17 57,14.0898511 57,10.5 C57,6.91014895 54.0898511,4 50.5,4 C46.9101489,4 44,6.91014895 44,10.5 C44,14.0898511 46.9101489,17 50.5,17 Z M50.5,17';
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var RING_ONE_PATH =
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'M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121';
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var RING_TWO_PATH =
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'M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121';
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var RING_THREE_PATH =
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'M84,121 C130.391921,121 168,106.673113 168,89 C168,71.3268871 130.391921,57 84,57 C37.6080787,57 0,71.3268871 0,89 C0,106.673113 37.6080787,121 84,121 Z M84,121';
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var RING_TWO_ROTATE = new Transform()
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.translate(84.0, 89.0)
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.rotate(-240.0)
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.translate(-84.0, -89.0);
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var RING_THREE_ROTATE = new Transform()
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.translate(84.0, 89.0)
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.rotate(-300.0)
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.translate(-84.0, -89.0);
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module.exports = VectorWidget;
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