shaders/cloud.fs

   1 out vec4 FragColor;
   2
   3 #include "motion_vectors_fs.glsl"
   4
   5 uniform vec3 uCamera;
   6
   7 in vec4 aColour;
   8 in vec3 aCo;
   9 in vec3 aWorldCo;
  10
  11 void main()
  12 {
  13    vec2 ssuv = gl_FragCoord.xy;
  14    vec3 vDither = vec3( dot( vec2( 171.0, 231.0 ), ssuv) );
  15    float dither = fract( vDither.g / 71.0 ) - 0.5;
  16
  17    float diff = length(gl_PointCoord.xy-vec2(0.5));
  18    if( diff+dither>0.5 )discard;
  19
  20    compute_motion_vectors();
  21    FragColor = aColour;
  22 }