game_terrain.h

自己写的一个D3D游戏Dome。实现了基本的游戏功能

#pragma once
#include "stdafx.h"
#include "Game_DisplayObject.h"

class Game_Terrain:public Game_DisplayObject{
	public:
		D3DXMATRIX m_matWorld;
		LPD3DXMESH m_pMesh;

		Game_Terrain(D3DXVECTOR3 pos,
					LPCTSTR strTerrain,float cellWidth,float height,float nTile);
		~Game_Terrain();
		virtual void Render();
		virtual void FrameMove();
		virtual	void InitObject(LPCTSTR strName);
		
		static const DWORD TYPEID = 0x00101000;

		HRESULT GetTerrainVertex(D3DXVECTOR3 *cross,DWORD index,float u,float v);
		FLOAT GetHeight(float x,float z);
	protected:
		struct TVertexBuffer{
			float	x,y,z;	
			float	nx,ny,nz;	//坐标信息
			float	tu,tv;
		};
		const static DWORD D3DFVF_TERRAIN = D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX1;	//坐标信息

		LPDIRECT3DTEXTURE9		m_pTexture;				//材质

		DWORD m_dwNumOfVertices;	
		DWORD m_dwNumOfIndices;
		DWORD m_dwNumOfPolygons; 
		
		long	m_nCol,m_nRow;
		float	m_nTile;
		float	m_maxHeight;
		float	m_CellWidth;
		LPCTSTR m_cStrTerrain;
		BYTE	*m_pHeightData;

		D3DVECTOR m_v3;
};