您所在位置：主题：请问DirectX的世界变换、观察变换、投影变换的区别
wangyue66
[专家分：0] 发布于 2007-10-16 09:34:00
概念上有点模糊，不能实际运用，最好以一个例子给与帮助理解，世界变换、观察变换、投影变换的作用分别是什么？
D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/4, 1.0f, 1.0f, 1000.0f);
g_pD3DDevice->SetTransform(D3DTS_PROJECTION, &matProj);
D3DXMatrixLookAtLH(&matView, &D3DXVECTOR3(0.0f,0.0f,-500.0f), &D3DXVECTOR3(0.0f,0.0f,0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f));
g_pD3DDevice->SetTransform(D3DTS_VIEW, &matView);
g_pD3DDevice->SetTransform(D3DTS_WORLD, &matWorld);
这之间的作用分别是什么
D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/4, 1.0f, 1.0f, 1000.0f);
g_pD3DDevice->SetTransform(D3DTS_PROJECTION, &matProj);
D3DXMatrixLookAtLH(&matView, &D3DXVECTOR3(0.0f,0.0f,-500.0f), &D3DXVECTOR3(0.0f,0.0f,0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f));
g_pD3DDevice->SetTransform(D3DTS_VIEW, &matView);
g_pD3DDevice->SetTransform(D3DTS_WORLD, &matWorld);
这之间的作用分别是什么
