shaders/scoretext.vs

   1 #include "vertex_standard.glsl"
   2
   3 uniform mat4 uPv;
   4 uniform mat4x3 uMdl;
   5
   6 uniform vec3 uInfo;
   7
   8 out vec4 aColour;
   9 out vec2 aUv;
  10 out vec3 aNorm;
  11 out vec3 aCo;
  12 out vec3 aWorldCo;
  13
  14 void main()
  15 {
  16    float w = a_colour.g + fract(uInfo.z+0.5)-0.75;
  17    float c = -cos(w*0.2);
  18    float s = -sin(w*0.2);
  19    float r = 0.2;
  20
  21    float w1 = clamp( w*4.0 - a_co.y*10.0, -1.0, 1.0 ) *(3.14159265*0.5);
  22    float c1 = cos(w1);
  23    float s1 = sin(w1);
  24
  25    float yoff = step(0.01,fract(uInfo.z))*-0.5;
  26
  27    mat4x3 mlocal;
  28    mlocal[0] = vec3(c1, s1,0.0);
  29    mlocal[1] = vec3(-s1,c1,0.0);
  30    mlocal[2] = vec3(0.0,0.0,1.0);
  31    mlocal[3] = vec3(c*r,uInfo.y*0.875 + s*r,uInfo.x*0.5);
  32
  33    vec3 world_pos = uMdl * vec4(mlocal * vec4(a_co,1.0),1.0);
  34    gl_Position = uPv * vec4( world_pos, 1.0 );
  35    aColour = a_colour;
  36    aUv = a_uv + vec2( floor(uInfo.z+0.5)*(1.0/64.0), yoff );
  37    aNorm = mat3(uMdl) * mat3(mlocal) * a_norm;
  38    aCo = a_co;
  39    aWorldCo = world_pos;
  40 }