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uniform mat4 ModelViewProjectionMatrix;
uniform mat3 NormalMatrix;
uniform mat4 ProjectionMatrix;
uniform float normalSize;
in vec3 pos;
#ifdef LOOP_NORMALS
in vec3 lnor;
#define nor lnor
#elif defined(FACE_NORMALS)
in vec4 norAndFlag;
#define nor norAndFlag.xyz
#else
in vec3 vnor;
#define nor vnor
#endif
flat out vec4 v1;
flat out vec4 v2;
void main()
{
v1 = ModelViewProjectionMatrix * vec4(pos, 1.0);
vec3 n = normalize(NormalMatrix * nor); /* viewspace */
v2 = v1 + ProjectionMatrix * vec4(n * normalSize, 0.0);
}
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