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