0
我需要在DirectX 9中繪製一些東西。 我有興趣以座標調整爲像素的方式工作,而(0,0)將是TopLeft一角。這是我做的:如何在DirectX 9中設置左上角座標?
RECT clientRect;
::GetClientRect(m_hWIN, &clientRect);
D3DXMATRIX matOrtho2D, matIdentity;
D3DXMatrixOrthoOffCenterLH(&matOrtho2D, 0, clientRect.right, 0, clientRect.bottom, 0.0f, 1.0f);
D3DXMatrixIdentity(&matIdentity);
g_pDirect3D_Device->SetTransform(D3DTS_PROJECTION, &matOrtho2D);
g_pDirect3D_Device->SetTransform(D3DTS_WORLD, &matIdentity);
g_pDirect3D_Device->SetTransform(D3DTS_VIEW, &matIdentity);
這工作正常,但在(0,0)是BOTTOMLEFT角落。我該如何改變它? 謝謝!
交換底部和頂部在D3DXMatrixOrthoOffCenterLH: D3DXMatrixOrthoOffCenterLH(&matOrtho2D,0,clientRect.right,clientRect.bottom,0,0.0F,1.0F); – Dave