procedure rglSetDynamicBillBoardCamUp(const aObjectIndex: Integer;const aBBCamUpX, aBBCamUpY, aBBCamUpZ : Single);stdcall;Set the up vector for the billboard calculation. ParametersaObjectIndex - A Reference to one of the previously created dynamic objects aBBCamUpX, aBBCamUpY, aBBCamUpZ - The up vector of the camera.RemarkThis flag is implemented for all dynamic objects except animated bone meshes