56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
// Various ways to generate single random colors
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package colorful
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import (
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"math/rand"
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)
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// Creates a random dark, "warm" color through a restricted HSV space.
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func FastWarmColor() Color {
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return Hsv(
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rand.Float64()*360.0,
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0.5+rand.Float64()*0.3,
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0.3+rand.Float64()*0.3)
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}
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// Creates a random dark, "warm" color through restricted HCL space.
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// This is slower than FastWarmColor but will likely give you colors which have
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// the same "warmness" if you run it many times.
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func WarmColor() (c Color) {
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for c = randomWarm(); !c.IsValid(); c = randomWarm() {
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}
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return
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}
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func randomWarm() Color {
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return Hcl(
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rand.Float64()*360.0,
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0.1+rand.Float64()*0.3,
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0.2+rand.Float64()*0.3)
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}
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// Creates a random bright, "pimpy" color through a restricted HSV space.
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func FastHappyColor() Color {
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return Hsv(
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rand.Float64()*360.0,
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0.7+rand.Float64()*0.3,
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0.6+rand.Float64()*0.3)
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}
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// Creates a random bright, "pimpy" color through restricted HCL space.
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// This is slower than FastHappyColor but will likely give you colors which
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// have the same "brightness" if you run it many times.
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func HappyColor() (c Color) {
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for c = randomPimp(); !c.IsValid(); c = randomPimp() {
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}
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return
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}
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func randomPimp() Color {
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return Hcl(
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rand.Float64()*360.0,
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0.5+rand.Float64()*0.3,
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0.5+rand.Float64()*0.3)
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}
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