www.pudn.com > GameEngine.rar > GameEngine_Particle.h, change:2005-09-25,size:2363b

#ifndef GameEngine_Particle_Include 
#define GameEngine_Particle_Include 
#define PARTICLE_FVF D3DFVF_XYZ|D3DFVF_DIFFUSE 
#define fRANDOM  (((float)rand())/RAND_MAX) 
 
#define HEIGHT_YELLOW D3DCOLOR_XRGB(255,255,0) 
#define MIDDLE_YELLOW D3DCOLOR_XRGB(255,255,113) 
#define LOW_YELLOW D3DCOLOR_XRGB(255,255,210) 
 
 
class CGameEngine_SceneManager; 
class CGameEngine_Texture; 
 
struct PARTICLE_RENDERSTRUCT{  //对应于PARTICLE_FVF定义的结构 
	D3DXVECTOR3 m_vPosition;   //位置 
	D3DCOLOR m_Color;  //颜色 
}; 
 
struct PARTICLE{ 
	D3DXVECTOR3 m_vPosition;  //位置 
	D3DCOLOR m_Color;  //颜色 
	float m_fLife;  //存活期 
	D3DXVECTOR3 m_vVelocity;  //速度 
	float m_fSize;  //大小 
	float m_fMass;  //质量 
	float m_fFriction;  //阻力 
}; 
 
class CGameEngine_Particle{ 
private: 
	CGameEngine_SceneManager* m_pGameSceneManager;  //场景管理器 
	CGameEngine_Texture* m_pParticleTexture;  //粒子纹理 
	IDirect3DVertexBuffer9* m_pParticleVB;  //顶点缓冲区 
	PARTICLE* m_pParticles; //粒子数组 
	int m_iNumParticle;  //粒子个数 
	D3DXVECTOR3 m_vPosition;  //粒子位置 
	float m_fLife;  //粒子存活期 
	float m_fSize;  //粒子大小 
	float m_fMass;  //粒子质量 
	D3DCOLOR m_Color;  //粒子颜色 
	float m_fFriction;  //空气阻力 
	D3DXVECTOR3 m_vGravity;  //重力 
	float m_fRadius;  //爆炸范围半径 
	long m_lVBOffset;  //渲染块头指针 
	long m_lBlockSize;  //渲染分块大小(粒子数为单位) 
public: 
	CGameEngine_Particle(); 
	~CGameEngine_Particle(); 
	// 
	bool Init(int iNumParticle,CGameEngine_SceneManager* pGameSceneManger, 
			  TCHAR* szTextureFile); 
	inline void SetLife(float fLife){m_fLife=fLife;} 
	inline void SetSize(float fSize){m_fSize=fSize;} 
	inline void SetMass(float fMass){m_fMass=fMass;} 
	inline void SetPosition(float x,float y,float z){m_vPosition=D3DXVECTOR3(x,y,z);} 
	inline void SetColor(int red,int green,int blue){m_Color=D3DCOLOR_XRGB(red,green,blue);} 
	inline void SetFriction(float fFriction){m_fFriction=fFriction;} 
	inline void SetGravity(float x,float y,float z){m_vGravity=D3DXVECTOR3(x,y,z);} 
	inline void SetRadius(float fRadius){m_fRadius=fRadius;} 
	// 
	void CreateParticle(float fVX,float fVY,float fVZ); 
	void UpdateParticles(); 
	void SetParticleRS(); 
	void UnSetParticleRS(); 
	void Render(); 
	inline DWORD FToW(float f){return *((DWORD*)&f);} 
	void Explode(int iNumParticle); 
	void Closedown(); 
 
 
 
 
 
}; 
#endif