simpleobject8.h

游戏编程精华02－含有几十个游戏编程例子

/*********************************************************************NVMH2****
Path:  C:\DEV\devrel\NV_SDK_4\DX8\CommonSrc
File:  SimpleObject8.h

Copyright (C) 1999, 2000 NVIDIA Corporation
This file is provided without support, instruction, or implied warranty of any
kind.  NVIDIA makes no guarantee of its fitness for a particular purpose and is
not liable under any circumstances for any damages or loss whatsoever arising
from the use or inability to use this file or items derived from it.

Comments:


******************************************************************************/




#ifndef __SimpleObject8_H__
#define __SimpleObject8_H__

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


#include <d3d8.h>
#include <d3dx8.h>

#include "SimpleObjectVertex.h"

//////////////////////////////////////////////////////////


class SimpleObject8  
{
public:

	SimpleObjVertex *	m_pVertices;
	WORD				m_wNumVerts;
	WORD			*	m_pIndices;
	WORD				m_wNumInd;

	D3DPRIMITIVETYPE m_PrimType;

	bool		m_bIsValid;


	void UnAllocate();	// Free all allocated memory
	void Allocate( WORD nvert, WORD nind );

	void InitSphere( float radius, int nLat, int nLong );  // Sphere with n_ verts each direction
	void InitSpiral( float width, float height, int n_sub_width,
					int n_sub_height, float n_twists );

	void InitSpiral(	const D3DXVECTOR3 & width_direction, 
						const D3DXVECTOR3 & height_direction,
						float width, float height, int n_sub_width, 
						int n_sub_height, float n_twists );


	void InitTorus( float InnerRadius, float OuterRadius, UINT Sides, UINT Rings );
	void InitTorus( float InnerRadius, float OuterRadius, UINT Sides, UINT Rings,
					float TexCoordUMax, float TexCoordVMax );
	void InitTorusWrapped( float InnerRadius, float OuterRadius, UINT Sides, UINT Rings );


	void AddPositionNoise( D3DXVECTOR3 vNoiseDir, float noise_magnitude );

	void AddPositionNoiseGrid( D3DXVECTOR3 vNoiseDir, float noise_magnitude,
								int grid_nx, int nsmooth );

	void TranslateXMinToZero();
	void Translate( float x, float y, float z );

	void GenerateNormals();			// from vertex pos and triangle data

	void Draw( LPDIRECT3DDEVICE8  pDev );


	WORD	GetNumVerts()   { return( m_wNumVerts );	};
	WORD	GetNumIndices() { return( m_wNumInd );		};


	SimpleObject8();
	virtual ~SimpleObject8();
};


#endif   // ndef __SimpleObject8_H__