| #extension GL_OES_standard_derivatives : enable | |
| precision highp float; | |
| uniform float time; | |
| uniform vec2 resolution; | |
| void main( void ) { | |
| float t = time / 50.0; | |
| vec2 position = ( gl_FragCoord.xy / resolution.xy ); | |
| vec3 color = vec3(0, 0, 0); | |
| color.r += sin(t + position.x + position.y); | |
| color.g += cos(t + position.x - position.y); | |
| color.b += sin(-t + position.x); | |
| gl_FragColor = vec4( color, 1.0 ); | |
| } |