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Jul 20th, 2019
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  1. vec3 hsv(vec3 i) {
  2. vec3 p = abs(fract(vec3(i.r) + vec3(1., 2./3., 1./3.)) * 6. - 3.);
  3. return i.b * mix(vec3(1.), clamp(p - vec3(1.), 0.,1.), i.g);
  4. }
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