lygia/color/blend/saturation)Saturation Blend mode creates the result color by combining the hue and luminance of the base color with the saturation of the blend color.
Dependencies:
Use:
blendSaturation(<float|vec3> base, <float|vec3> blend [, <float> opacity])
#ifndef FNC_BLENDSATURATION
#define FNC_BLENDSATURATION
vec3 blendSaturation(vec3 base, vec3 blend) {
vec3 baseHSL = rgb2hsv(base);
vec3 blendHSL = rgb2hsv(blend);
return hsv2rgb(
vec3(baseHSL.x, blendHSL.y, baseHSL.z));
}
vec3 blendSaturation(in vec3 base, in vec3 blend, float opacity) {
return (blendSaturation(base, blend) * opacity + base * (1. - opacity));
}
#endif
MIT License (MIT) Copyright (c) 2015 Jamie Owen
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