fractalview.h

可以生成山、火焰、树与草等自然景物的实例

// FractalView.h : interface of the CFractalView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_FRACTALVIEW_H__C8DB5EAD_1A1A_11D6_BBF5_CC0BCEBD7627__INCLUDED_)
#define AFX_FRACTALVIEW_H__C8DB5EAD_1A1A_11D6_BBF5_CC0BCEBD7627__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "MyTypedef.h"

class CFractalView : public CView
{
protected: // create from serialization only
	CFractalView();
	DECLARE_DYNCREATE(CFractalView)

// Attributes
public:
	CFractalDoc* GetDocument();

// Operations
public:
	CClientDC *m_pDC;

    int level;          //山峦的层数（细分步数）
	TRINODE *Hill[1];   //山峦树型结构
	VERTEX *Vertices[1];//生成的三角形顶点坐标链表
	
	int particle;       //粒子数
    
	int TreeLevel;      //树层数
	TREENODE *Tree[1];  //树拓扑结构链表
	STACKNODE *Stack[1];//存储现场堆栈
	
	int opStatus;       //操作状态
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CFractalView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	//}}AFX_VIRTUAL

// Implementation
public:
	//同生成山峦有关的函数
	int Pow(int a,int n);
	void DeleteTip(int top);
	void CreateHill(int Level);
	void DrawHill(TRINODE **root);
	void DeleteVertices(VERTEX **pLink);
	void InsertVertex(VERTEX v,VERTEX **pLink);
	void CreateVertex(int v1,int v2,POINT *Out);
    void ConstructNode(FRACTAL *p,int *ExistedNo,int *vs);
	void VertexFromNum(POINT *triangle,int v0,int v1,int v2);
	
	//焰火函数
	void InitSize(int size);
	void DrawParticle(int x0,int y0,int Size,int Level,bool Erase);
	
	
	//同生成树与草有关的函数
	void InitTree();
	STACKNODE * Pop();   
	void DeleteTree(TREENODE **Tree);
    void Push(STACKNODE **pStack,STACKNODE sn);
	void DrawTree(TREENODE **Tree,int x0,int y0);
	void CreateTree(TREENODE **Tree,int level,bool grass);
    void DrawLeaf(double angle,float xratio,float yratio,int x0,int y0);
	void DrawTwig(double angle, float xratio, float yratio, int x0, int y0,POINT *InOut,bool delta);
	
	//通用函数
	void Init();
	void Draw();
	void ClrScr();
	

	virtual ~CFractalView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CFractalView)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnDestroy();
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnbtnGrass();
	afx_msg void OnbtnHill();
	afx_msg void OnbtnSkyrocket();
	afx_msg void OnbtnTree();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in FractalView.cpp
inline CFractalDoc* CFractalView::GetDocument()
   { return (CFractalDoc*)m_pDocument; }
#endif

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

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_FRACTALVIEW_H__C8DB5EAD_1A1A_11D6_BBF5_CC0BCEBD7627__INCLUDED_)