Skip to content

Instantly share code, notes, and snippets.

Show Gist options
  • Save GunnarKarlsson/a65813d70625b9c8e64efc5f7966e334 to your computer and use it in GitHub Desktop.
Save GunnarKarlsson/a65813d70625b9c8e64efc5f7966e334 to your computer and use it in GitHub Desktop.
GLSL random noise
// Author @patriciogv - 2015
// http://patriciogonzalezvivo.com
#ifdef GL_ES
precision mediump float;
#endif
uniform vec2 u_resolution;
uniform vec2 u_mouse;
uniform float u_time;
float random (vec2 st) {
return fract(sin(dot(st.xy,
vec2(12.9898,78.233)))*
43758.5453123);
}
void main() {
vec2 st = gl_FragCoord.xy/u_resolution.xy;
float rnd = random( st );
gl_FragColor = vec4(vec3(rnd),1.0);
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment