scene.h

基于NEHE第48课的程序,改为MFC下运行.运用轨迹球技术,初学者值得参考

//Version 1.1c
//Code by Phil.Z
//Date 2007-12-28

#ifndef SCENE_H_
#define SCENE_H_

#include "Figure.h"

class Scene
{
public:
	Scene(CWnd *pWnd);
	~Scene();
	void SetParam(float *initList);
	void InitGLScene();
	void ResizeGLScene(float width,float height);
	void DrawGLScene();
	bool NewFigure(int FigureClass,float *initList);
	bool DeleteSelFigure();
	void SetSceneLight(bool bLight);
	void SetSceneLight(int LightParam,float * value);
	void SetSceneBkColor(float * value);
	void SetSceneRot(int RotCrood,float * value);
	void SetDistance(float StepDistance);
	void SetPick(int xMousePos,int yMousePos);
	void SetInsertMode();
	void WinPosToGLPos(float GLPos[],CPoint WinPos);
	float GetDistance() const;
	void Move(unsigned int Direction);      //Move scene camera
	bool IsCurSelected();
	void MoveCurFigure(int Coord,int OP,int value);
	void RotateCurFigure(int Coord,int OP,int value);
	
private:
	struct FigureNode
	{
		Figure * figure;
		FigureNode * next;
		FigureNode * prior;
	};
	typedef FigureNode FigureList;
public:
	FigureList * m_pFigure;

private:
	
	FigureNode * m_pCurFigure;
	CWnd *m_pWnd;
	float m_afBkColor[4];
	bool  m_bLight;
	float m_afLightColor[8];
	float m_afLightPos[4];
	float m_fXRot;
	float m_fYRot;
	float m_fWalkDistance;
	float m_fXPos;
	float m_fZPos;
	void UpdateLightState();

public:
	void Display();
	enum  //常量
	{
		F2D_POINT,	F2D_LINE,	F2D_RECT,	F2D_CIRCLE,			//NewFigure
		F3D_CUBE,	F3D_SPHERE,	F3D_DISK,	F3D_CYLINDER,		
		LP_AMBIENT,	LP_DIFFUSE,	LP_POSITION,					//SetSceneLight
		RC_XROT,	RC_YROT,	RC_XANDY,						//SetSceneRot
		MV_FORWARD,	MV_BACK,	MV_LEFT,	MV_RIGHT,			//Move
		FP_XPOS,	FP_YPOS,	FP_ZPOS,
		FR_XROT,	FR_YROT,	FR_ZROT,
		OP_ADD,		OP_MINUS    //预留直接赋值位置
	};
};

#endif