// Shader_Rain.h: interface for the CShader_Rain class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SHADER_RAIN_H__8B92D5A3_F3E3_475F_B75F_C6BBF856EF35__INCLUDED_)
#define AFX_SHADER_RAIN_H__8B92D5A3_F3E3_475F_B75F_C6BBF856EF35__INCLUDED_

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


#include "ShaderScene.h"

#define SPLASH_RATIOS	1

class RainVertex {
public:
	D3DXVECTOR3 vecPos;
	D3DXVECTOR3 vecNormal;
	float fLoop;
	RainVertex() : vecPos(0.0f,0.0f,0.0f),vecNormal(0.0f,0.0f,0.0f),fLoop(0.0f) {}
	
};	


class CShader_RainV;

class CShader_Rain : public CShaderScene  
{
public:
	CShader_Rain();
	virtual ~CShader_Rain();
	virtual void Apply();
	virtual void UnApply();
protected:
	CShader_RainV *m_pVertexShader;
	LPDIRECT3DDEVICE8	m_pDevice;

};
// 
float CalcTriangleArea(D3DXVECTOR3 vecA,D3DXVECTOR3 vecB,D3DXVECTOR3 vecC);
void CreateRainBuffer(LPDIRECT3DVERTEXBUFFER8 pRainBuffer,DWORD &dwVertsNum,D3DXVECTOR3 *pPos,D3DXVECTOR3 *pNormal,WORD *pIndex,int iIndexNum);

#endif // !defined(AFX_SHADER_RAIN_H__8B92D5A3_F3E3_475F_B75F_C6BBF856EF35__INCLUDED_)