qvolray
annotate sdr/demo.p.glsl @ 23:53aca4775514
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author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Fri, 13 Apr 2012 15:43:45 +0300 |
parents | 4c62be57fc1a |
children | 70b937008134 |
rev | line source |
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nuclear@18 | 1 void main() |
nuclear@18 | 2 { |
nuclear@21 | 3 vec3 pos = gl_TexCoord[0].xyz * 2.0 - 1.0; |
nuclear@18 | 4 |
nuclear@21 | 5 float len = length(pos); |
nuclear@22 | 6 float val = 0.1 / (len * len); |
nuclear@21 | 7 |
nuclear@21 | 8 gl_FragColor = vec4(-pos / len, val); |
nuclear@18 | 9 } |