Sha256: 301313329a675afe7743ac5067b0b571826caa144b78be3c32cfffc7c5ef0dce
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Versions: 21
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Contents
#version 330 core
// Colorful Voronoi
// By: Brandon Fogerty
// bfogerty at gmail dot com
// xdpixel.com
#ifdef GL_ES
precision mediump float;
#endif
uniform float time;
uniform vec2 mouse;
uniform vec2 resolution;
out vec4 color_out;
vec2 hash(vec2 p)
{
mat2 m = mat2( 13.85, 47.77,
99.41, 88.48
);
return fract(sin(m*p) * 46738.29);
}
float voronoi(vec2 p)
{
vec2 g = floor(p);
vec2 f = fract(p);
float distanceToClosestFeaturePoint = 1.0;
for(int y = -1; y <= 1; y++)
{
for(int x = -1; x <= 1; x++)
{
vec2 latticePoint = vec2(x, y);
float currentDistance = distance(latticePoint, f);
distanceToClosestFeaturePoint = min(distanceToClosestFeaturePoint, currentDistance);
}
}
return distanceToClosestFeaturePoint;
}
void main( void )
{
vec2 uv = ( gl_FragCoord.xy / resolution.xy ) * 2.0 - 1.0;
uv.x *= resolution.x / resolution.y;
float offset = voronoi(uv*10.0 + vec2(time));
float t = 1.0/abs(((uv.x + sin(uv.y + time)) + offset) * 30.0);
float r = voronoi( uv * 1.0 ) * 10.0;
if (r < 3.7) { r = 0.0; }
vec3 finalColor = vec3(10.0 * uv.y, 2.0, 1.0 * r) * t;
color_out = vec4(finalColor, 1.0 );
}
Version data entries
21 entries across 21 versions & 1 rubygems