shaders/standard_skinned.vs

   1 #include "vertex_standard.glsl"
   2 #include "motion_vectors_vs.glsl"
   3
   4 uniform mat4 uPv;
   5
   6 // TODO: Send a previous transform matrix stack
   7 //
   8 uniform mat4x3 uTransforms[32];
   9
  10 out vec4 aColour;
  11 out vec2 aUv;
  12 out vec3 aNorm;
  13 out vec3 aCo;
  14 out vec3 aWorldCo;
  15
  16 void main()
  17 {
  18    vec4 co_local = vec4( a_co, 1.0 );
  19    vec3 co0 = uTransforms[ a_groups[0] ] * co_local;
  20    vec3 co1 = uTransforms[ a_groups[1] ] * co_local;
  21    vec3 co2 = uTransforms[ a_groups[2] ] * co_local;
  22    vec3 n0  = mat3(uTransforms[ a_groups[0] ]) * a_norm;
  23    vec3 n1  = mat3(uTransforms[ a_groups[1] ]) * a_norm;
  24    vec3 n2  = mat3(uTransforms[ a_groups[2] ]) * a_norm;
  25
  26    vec3 world_pos = co0*a_weights[0] + co1*a_weights[1] + co2*a_weights[2];
  27    vec3 world_normal = n0*a_weights[0] + n1*a_weights[1] + n2*a_weights[2];
  28
  29    gl_Position = uPv * vec4( world_pos, 1.0 );
  30    aColour = a_colour;
  31    aUv = a_uv;
  32    aNorm = world_normal;
  33    aCo = a_co;
  34    aWorldCo = world_pos;
  35
  36    // TODO:
  37    aMotionVec0 = vec3(1.0);
  38    aMotionVec1 = vec3(1.0);
  39 }