Sergey Sharybin
5cea8bf435
Does all points all the time, ignoring the setting in viewport header. This is to be addressed by the next commit.
35 lines
649 B
GLSL
35 lines
649 B
GLSL
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uniform mat4 ModelViewProjectionMatrix;
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uniform mat3 NormalMatrix;
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uniform mat4 ModelViewMatrix;
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in vec3 pos;
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in vec3 nor;
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in int ind;
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out vec3 tangent;
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out vec3 viewPosition;
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flat out float colRand;
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float rand(int s)
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{
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int seed = s * 1023423;
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seed = (seed ^ 61) ^ (seed >> 16);
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seed *= 9;
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seed = seed ^ (seed >> 4);
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seed *= 0x27d4eb2d;
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seed = seed ^ (seed >> 15);
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float value = float(seed);
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value *= 1.0 / 42596.0;
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return fract(value);
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}
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void main()
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{
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gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);
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tangent = normalize(NormalMatrix * nor);
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viewPosition = (ModelViewMatrix * vec4(pos, 1.0)).xyz;
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colRand = rand(ind);
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}
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