关于矩阵坐标的问题
D3DXMatrixRotationY( &m, D3DX_PI * fElapsedTime / 4.0f ); D3DXMatrixMultiply( &g_Obj[1].m_mWorld, &g_Obj[1].m_mWorld, &m ); D3DXMatrixRotationY( &m, -D3DX_PI * fElapsedTime / 4.0f ); D3DXMatrixMultiply( &g_Obj[2].m_mWorld, &g_Obj[2].m_mWorld, &m ); D3DXVECTOR3 vR( 0.1f, 1.0f, -0.2f ); D3DXMatrixRotationAxis( &m, &vR, -D3DX_PI * fElapsedTime / 6.0f ); D3DXMatrixMultiply( &g_Obj[3].m_mWorld, &m, &g_Obj[3].m_mWorld );