frustum.h

里内面有两个关于地形的模拟的范例,仔细看一下会收获不小啊

#ifndef Frustum_Include
#define Frustum_Include
class CFrustum
{
  private:
    D3DXPLANE m_Planes[6];
  public:
    bool GetFrustum(LPDIRECT3DDEVICE9 pd3dDevice, float ZDistance = 0.0f);
    bool CheckPoint(float XPos, float YPos, float ZPos);
    bool CheckCube(float XCenter, float YCenter, float ZCenter, float Size);
    bool CheckRectangle(float XCenter, float YCenter, float ZCenter, float XSize, float YSize, float ZSize);
    bool CheckSphere(float XCenter, float YCenter, float ZCenter, float Radius);
};
#endif