shaders/sky.fs

   1 out vec4 FragColor;
   2
   3 uniform vec4 uColour;
   4
   5 in vec4 aColour;
   6 in vec2 aUv;
   7 in vec3 aNorm;
   8 in vec3 aCo;
   9
  10 void main()
  11 {
  12    float fintensity = 1.0-(abs(aNorm.y)*0.7);
  13    float angle = -dot(vec3(0.95,0.0,-0.3),aNorm)*0.5+0.5;
  14    float fblend = pow(fintensity,6.0) * angle;
  15    vec3 horizon = vec3(0.9,0.9,0.8);
  16    vec3 skycolour = vec3(0.4,0.5,0.8);
  17    vec3 diffuse = mix( skycolour, horizon, fblend );
  18
  19    FragColor = vec4(diffuse,1.0);
  20 }