I am curious how tex3d looks up a value in a texture. In this example:
sample = tex3D(tex, pos.x*0.5f+0.5f, pos.y*0.5f+0.5f, pos.z*0.5f+0.5f);
where would the value come from in the texture?
I am curious how tex3d looks up a value in a texture. In this example:
sample = tex3D(tex, pos.x*0.5f+0.5f, pos.y*0.5f+0.5f, pos.z*0.5f+0.5f);
where would the value come from in the texture?