I have been trying to get a directional light to stay in the same position no matter where I place the camera, without any luck.
We have this 3D engine we are porting to use a driver based system and - essentially - it requires us to force OpenGL into at the moment - so, currently no matrix stacks - and the way things are done are kind of based on D3D
If I place a directional C3DLight - that’s out class - in the scene and rotate the camera around a box, the light always lights the front of the box in OpenGL, in D3D it doesn’t.
I’ve tried changing the model matrix - glLoadIdentity() followed by inverse of camera matrix - and many other solutions I thought I’d found on this board, but so far, nothing seems to work.
Any ideas from the knowledgable people here?
Luke A. Guest.