shaders/scene_depth.fs

   1 out vec4 FragColor;
   2
   3 uniform vec3 uCamera;
   4 uniform vec3 uBoard0;
   5 uniform vec3 uBoard1;
   6
   7 #include "common_scene.glsl"
   8
   9 // Water blending
  10 // ==============
  11
  12 float water_depth( vec3 pos, vec3 halfview )
  13 {
  14    vec3 pnorm = g_water_plane.xyz;
  15    float pdist = g_water_plane.w;
  16
  17    float d = dot( pnorm, halfview );
  18    float t = dot((pnorm*pdist - pos), pnorm) / d;
  19    return t * g_water_fog;
  20 }
  21
  22 void main()
  23 {
  24    vec3 halfview = normalize( uCamera - aWorldCo );
  25    float depth = water_depth( aWorldCo, halfview );
  26    FragColor = vec4( depth, 0.0, 0.0, 0.0 );
  27 }