forked from Open-CT/openbrain
27 lines
533 B
Go
27 lines
533 B
Go
package util
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import (
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"fmt"
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"image/color"
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"math"
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"math/rand"
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)
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func mixChannel(a uint8, b uint8, t float64) uint8 {
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i := (1-t)*float64(a)*float64(a) + t*float64(b)*float64(b)
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return uint8(math.Sqrt(i))
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}
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func MixColor(c1 color.RGBA, c2 color.RGBA, t float64) color.RGBA {
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res := color.RGBA{
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R: mixChannel(c1.R, c2.R, t),
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G: mixChannel(c1.G, c2.G, t),
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B: mixChannel(c1.B, c2.B, t),
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}
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return res
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}
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func GetRandomColor() string {
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return fmt.Sprintf("rgb(%d,%d,%d)", rand.Intn(256), rand.Intn(256), rand.Intn(256))
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}
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