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/// a collection of cool colormaps in glsl | |
/// most work on [0, 1]. | |
/// | |
/// Lovingly ripped off from: | |
/// * halcy | |
///////////////////////////////////////////////////////////////// | |
// WAHas Spectrum analyzer palette | |
// ripped off from https://www.shadertoy.com/view/MstSzj | |
vec3 wahas_palette(float i){ | |
if(i<4.0){ | |
if(i<2.0){ | |
if(i<1.0) return vec3(0.0,0.0,0.0); | |
else return vec3(1.0,3.0,31.0); | |
} | |
else { | |
if(i<3.0) return vec3(1.0,3.0,53.0); | |
else return vec3(28.0,2.0,78.0); | |
} | |
} | |
else if(i<8.0) { | |
if(i<6.0) { | |
if(i<5.0) return vec3(80.0,2.0,110.0); | |
else return vec3(143.0,3.0,133.0); | |
} | |
else { | |
if(i<7.0) return vec3(181.0,3.0,103.0); | |
else return vec3(229.0,3.0,46.0); | |
} | |
} | |
else { | |
if(i<10.0) { | |
if(i<9.0) return vec3(252.0,73.0,31.0); | |
else return vec3(253.0,173.0,81.0); | |
} | |
else if(i<12.0) { | |
if(i<11.0) return vec3(254.0,244.0,139.0); | |
else return vec3(239.0,254.0,203.0); | |
} | |
else { | |
return vec3(242.0,255.0,236.0); | |
} | |
} | |
} | |
///////////////////////////////////////////////////////////////// | |
// codapalette | |
// ripped off from https://www.shadertoy.com/view/4dsyWs | |
vec3 palette(float i) { | |
if(i<4.0) { | |
if(i<2.0) { | |
if(i<1.0) return vec3(0.0,0.0,0.0); | |
else return vec3(1.0,3.0,31.0); | |
} | |
else { | |
if(i<3.0) return vec3(1.0,3.0,53.0); | |
else return vec3(28.0,2.0,78.0); | |
} | |
} | |
else if(i<8.0) { | |
if(i<6.0) { | |
if(i<5.0) return vec3(80.0,2.0,110.0); | |
else return vec3(143.0,3.0,133.0); | |
} | |
else { | |
if(i<7.0) return vec3(181.0,3.0,103.0); | |
else return vec3(229.0,3.0,46.0); | |
} | |
} | |
else { | |
if(i<10.0) { | |
if(i<9.0) return vec3(252.0,73.0,31.0); | |
else return vec3(253.0,173.0,81.0); | |
} | |
else if(i<12.0) { | |
if(i<11.0) return vec3(254.0,244.0,139.0); | |
else return vec3(239.0,254.0,203.0); | |
} | |
else { | |
return vec3(242.0,255.0,236.0); | |
} | |
} | |
} |
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