valora 0.2.12

A brush for generative fine art.
Documentation 
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#version 400

uniform vec3 color;
uniform float scale;
uniform float height;
uniform float width;

out vec4 frag;

void main() {
  vec2 pos = gl_FragCoord.xy / scale;

  vec3 white = vec3(1., 1., 1.);

  frag = vec4(0., mix(white, color, pos.x / width).xy, 1.);
}