cecilkorik
12cb7128f7
refactored as needed to make roc work as a shared library, without any stupid import hacks
24 lines
No EOL
664 B
GLSL
24 lines
No EOL
664 B
GLSL
uniform vec3 CameraPos;
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uniform vec3 CameraDir;
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uniform float DepthNear;
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uniform float DepthFar;
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varying float CameraDepth; // normalized camera depth
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varying vec2 TexCoord;
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void main()
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{
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// offset = vector to vertex from camera's position
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vec3 offset = (gl_Vertex.xyz / gl_Vertex.w) - CameraPos;
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// z = distance from vertex to camera plane
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float z = -dot(offset, CameraDir);
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// Depth from vertex to camera, mapped to [0,1]
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CameraDepth = (z - DepthNear) / (DepthFar - DepthNear);
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// typical interpolated coordinate for texture lookup
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TexCoord = gl_MultiTexCoord0.xy;
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gl_Position = ftransform();
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} |