shaders

assortment of fragment shaders.
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test.frag (218B)

      1 #version 120
      2 #ifdef GL_ES
      3 precision mediump float;
      4 #endif
      5 
      6 uniform vec2 u_resolution;
      7 uniform float u_time;
      8 
      9 void main() {
     10     vec2 st = gl_FragCoord.xy/ u_resolution.xy;
     11     gl_FragColor=vec4(st.x, st.y, 0.5, 1.0);
     12 }