Microsoft DirectX 8.1 (Visual Basic) |
Projects a vector from screen space into object space.
D3DXVec3Unproject( _ VOut As D3DVECTOR, _ V As D3DVECTOR, _ Viewport As D3DVIEWPORT8, _ Projection As D3DMATRIX, _ View As D3DMATRIX, _ World As D3DMATRIX)
If the function fails, an error is raised and Err.Number can be set to one of the following values.
D3DERR_INVALIDCALL |
D3DERR_OUTOFVIDEOMEMORY |
For information on trapping errors, see the Microsoft® Visual Basic® Error Handling topic.