void D3DRMMatrixFromQuaternion (D3DRMMATRIX4D mat,
LPD3DRMQUATERNION lpquat);
Calculates the matrix for the rotation that a unit quaternion represents.
·No return value.
mat
Address that will contain the calculated matrix when the function returns. (The D3DRMMATRIX4D type is an array.)
lpquat
Address of the D3DRMQUATERNION structure.