Microsoft DirectX 8.1 (Visual Basic) |
Type D3DMATRIX m11 As Single m12 As Single m13 As Single m14 As Single m21 As Single m22 As Single m23 As Single m24 As Single m31 As Single m32 As Single m33 As Single m34 As Single m41 As Single m42 As Single m43 As Single m44 As Single End Type
In Microsoft® Direct3D®, the m34 element of a projection matrix cannot be a negative number. If an application needs to use a negative value in this location, it should scale the entire projection matrix by –1, instead.
Direct3DDevice8.GetTransform, Direct3DDevice8.MultiplyTransform, Direct3DDevice8.SetTransform