D3DXMatrixIsIdentity Function

Determines if a matrix is an identity matrix.

Syntax

BOOL D3DXMatrixIsIdentity(      

    CONST D3DXMATRIX *pM
);

Parameters

pM
[in] Pointer to the D3DXMATRIX structure that will be tested for identity.

Return Value

If the matrix is an identity matrix, this function returns TRUE. Otherwise, this function returns FALSE.

Function Information

Header d3dx9math.h
Import library d3dx9.lib
Minimum operating systems Windows 98