shaders/vg/character.vs.glsl

   1 layout (location=0) in vec3 a_co;
   2 layout (location=1) in vec3 a_norm;
   3 layout (location=2) in vec4 a_colour;
   4 layout (location=3) in vec2 a_uv;
   5
   6 #line      2        0
   7
   8 uniform mat4 uPv;
   9 uniform mat4x3 uMdl;
  10 uniform float uOpacity;
  11
  12 out vec4 aColour;
  13 out vec2 aUv;
  14 out vec3 aNorm;
  15 out vec3 aCo;
  16 out float aOpacity;
  17
  18 void main()
  19 {
  20    vec3 world_pos = uMdl * vec4(a_co,1.0);
  21    gl_Position = uPv * vec4(world_pos,1.0);
  22
  23    aColour = a_colour;
  24    aUv = a_uv;
  25    aNorm = mat3(uMdl) * a_norm;
  26    aCo = a_co;
  27    aOpacity = 1.0-(gl_Position.y+0.5)*uOpacity;
  28 }