volmetrics
view data/shaders/vol.v.glsl @ 27:069fae435a1d
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| author | Eleni Maria Stea <elene.mst@gmail.com> |
|---|---|
| date | Sun, 27 Apr 2014 19:24:48 +0300 |
| parents | |
| children |
line source
1 #version 120
3 varying vec3 pt;
5 void main()
6 {
7 mat4 mvbb = gl_ModelViewMatrix;
9 mvbb[0][0] = mvbb[1][1] = mvbb[2][2] = 1.0;
10 mvbb[0][1] = mvbb[0][2] = mvbb[1][2] = 0.0;
11 mvbb[1][0] = mvbb[2][0] = mvbb[2][1] = 0.0;
13 gl_Position = gl_ProjectionMatrix * mvbb * gl_Vertex;
15 pt = (transpose(gl_NormalMatrix) * gl_Vertex.xyz) * 0.5 + 0.5;
16 }