29 lines
505 B
Plaintext
29 lines
505 B
Plaintext
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// view space axes
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uniform vec3 _w;
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uniform vec3 _u;
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uniform vec3 _v;
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uniform mat4 _cameraInverseProjection;
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uniform vec3 _camh;
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uniform vec3 _camv;
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uniform vec3 _camll;
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uniform vec3 _cpos;
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uniform vec3 _tpos;
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Ray createCameraRay(vec2 uv)
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{
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// transform -1..1 -> 0..1
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uv = uv*0.5+0.5;
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vec3 target = vec3(0,0,0);
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vec3 dir;
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dir = uv.x*_camh + uv.y*_camv;
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dir = _camll + uv.x*_camh + uv.y*_camv;
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dir = normalize(dir);
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Ray ray = createRay(_cpos, dir);
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return ray;
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};
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