automated snapshot

utils.go

@@ -21,6 +21,11 @@ func GrayCurve(v, k float32) rl.Color {
 	return rl.Color{R: c, G: c, B: c, A: 255}
 }
 
+func LerpCurve(v, k float32, lo rl.Color, hi rl.Color) rl.Color {
+	v = float32(math.Pow(float64(clamp01(v)), float64(k))) // k < 1 boosts highlights, k > 1 boosts shadows
+	return rl.ColorLerp(lo, hi, v)
+}
+
 func Brightness(c rl.Color) float32 {
 	r := float32(c.R) / 255
 	g := float32(c.G) / 255