shaders/model_gate_lq.fs

   1 out vec4 FragColor;
   2
   3 uniform float uTime;
   4 uniform vec3 uCam;
   5 uniform vec2 uInvRes;
   6 uniform vec4 uColour;
   7
   8 in vec3 aNorm;
   9 in vec2 aUv;
  10 in vec3 aCo;
  11
  12 void main()
  13 {
  14    vec2 ssuv = gl_FragCoord.xy;
  15    float opacity = 1.0-smoothstep(0.0,1.0,aUv.y+uColour.a);
  16
  17    vec3 vDither = vec3( dot( vec2( 171.0, 231.0 ), ssuv) );
  18    float dither = fract( vDither.g / 71.0 ) - 0.5;
  19
  20    if( opacity+dither<0.5 )
  21       discard;
  22
  23    FragColor = uColour;
  24 }