particle.h

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// Particle.h: interface for the CParticle class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PARTICLE_H__0DA6D5FC_F870_4069_BC71_16486E46DF44__INCLUDED_)
#define AFX_PARTICLE_H__0DA6D5FC_F870_4069_BC71_16486E46DF44__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

struct POINTVERTEX
{
	D3DXVECTOR3	v;
	D3DCOLOR	color;

	static const DWORD FVF;
};

//-----------------------------------------------------------------------------
// Global data for the particles
//-----------------------------------------------------------------------------
struct PARTICLE
{
	BOOL		m_bSpark;		// Sparks are less energetic particles that
								// are generated where/when the main particles
								// hit the ground

	D3DXVECTOR3	m_vPos;			// Current position
	D3DXVECTOR3	m_vVel;			// Current velocity

	D3DXVECTOR3	m_vPos0;		// Initial position
	D3DXVECTOR3	m_vVel0;		// Initial velocity
	FLOAT		m_fTime0;		// Time of creation

	D3DXCOLOR	m_clrDiffuse;	// Initial diffuse color
	D3DXCOLOR	m_clrFade;		// Faded diffuse color
	FLOAT		m_fFade;		// Fade progression

	PARTICLE*	m_pNext;		// Next particle in list
};

enum PARTICLE_COLORS { COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, NUM_COLORS };

class CParticle  
{
public:
	CParticle();
	virtual ~CParticle();

public:
	void				Create( DWORD dwFlush, DWORD dwDiscard, float fRadius );
	HRESULT				LoadTexture( char * szFileName );
	HRESULT				CreateVertexBuffer();
	//void				Update();
	void				Update( FLOAT fSecsPerFrame );
	void				Render();

private:
	DWORD				m_dwCurFrame;
	DWORD				m_dwNextFrame;
	DWORD				m_dwLastFrame;

//	ANITEXTURE **		m_pTexture;
	DWORD	*			m_nTexIndex;

	DWORD				m_nParticleCount;

	// Geometry
	LPDIRECT3DTEXTURE9		m_pTexture;		// 快急父 烙矫风 技泼 窍技~~~
	LPDIRECT3DVERTEXBUFFER9 m_pVertexBuffer;

	FLOAT				m_fRadius;

	DWORD				m_dwBase;
	DWORD				m_dwFlush;
	DWORD				m_dwDiscard;

	DWORD				m_dwParticles;
	DWORD				m_dwParticlesLim;
	PARTICLE*			m_pParticles;
	PARTICLE*			m_pParticlesFree;

	float				m_fTestTime;

//	LPDIRECT3DVERTEXBUFFER9 m_pVB;
};

#endif // !defined(AFX_PARTICLE_H__0DA6D5FC_F870_4069_BC71_16486E46DF44__INCLUDED_)