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[分享]分形算法->跳舞的小树

楼主#
更多 发布于：2005-01-30 23:15
<P>这里用的是GDI来绘图,采用双缓冲.

以下是Form窗体内的所有代码:

</P>
<DIV >
<DIV><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.Drawing;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.Collections;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.ComponentModel;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.Windows.Forms;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.Data;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.Drawing.Drawing2D;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.Threading;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>using System.IO;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>namespace 分形
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif" align=top><IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>    /**//// <summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>    /// Form1 的摘要说明。
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>    /// </summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>    public class frmAction : System.Windows.Forms.Form
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>    <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        /**//// <summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// 必需的设计器变量。
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        /// </summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private System.ComponentModel.Container components = null;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        SolidBrush brush= new SolidBrush(Color.Black);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private System.Windows.Forms.Button btnPlay;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private System.Windows.Forms.Button btnStop;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        Pen pen;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        public frmAction()
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            // Windows 窗体设计器支持所必需的
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            InitializeComponent();
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            Init();
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            // TOD 在 InitializeComponent 调用后添加任何构造函数代码
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        /**//// <summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// 清理所有正在使用的资源。
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        /// </summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        protected override void Dispose( bool disposing )
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            if( disposing )
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>            <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                if (components != null)  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>                <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                    components.Dispose();
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>                }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>            }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            base.Dispose( disposing );
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top>        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        /**//// <summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// 此方法的内容。
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        /// </summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private void InitializeComponent()
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay = new System.Windows.Forms.Button();
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop = new System.Windows.Forms.Button();
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.SuspendLayout();
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            // btnPlay
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay.Location = new System.Drawing.Point(80, 344);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay.Name = "btnPlay";
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay.Size = new System.Drawing.Size(96, 24);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay.TabIndex = 0;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay.Text = "跳舞哦！";
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnPlay.Click += new System.EventHandler(this.btnPlay_Click);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            // btnStop
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.Enabled = false;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.Location = new System.Drawing.Point(320, 344);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.Name = "btnStop";
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.Size = new System.Drawing.Size(88, 24);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.TabIndex = 1;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.Text = "停下来！";
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            // frmAction
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            //  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.ClientSize = new System.Drawing.Size(480, 390);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Controls.Add(this.btnStop);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Controls.Add(this.btnPlay);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Name = "frmAction";
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Text = "Form1";
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Closing += new System.ComponentModel.CancelEventHandler(this.frmAction_Closing);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Load += new System.EventHandler(this.Form1_Load);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            this.ResumeLayout(false);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        #endregion
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        /**//// <summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// 应用程序的主入口点。
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        /// </summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        [STAThread]
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        static void Main()  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            Application.Run(new frmAction());
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private void Form1_Load(object sender, System.EventArgs e)
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{ <IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private void RePaint()
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{ <IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            while (true)
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>            <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                paint(this.CreateGraphics());
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>            }            
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        /**//// <summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// 画叶子
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// </summary>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// <param name="g"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// <param name="x"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// <param name="y"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// <param name="L"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// <param name="a"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        /// <param name="B"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        /// <param name="C"></param>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        public void DrawLeaf(Graphics g,double x,double y,
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            double L, double a,float B,float C)
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <IMG src="http://download.cnblogs.com/Images/dot.gif">{    
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            double x1,x2,x1L,x2L,x2R,x1R,
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y1,y2,y1L,y2L,y2R,y1R;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            float s1 = 2;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            float s2 = 3;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            float s3 = 1.1f;
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            if(L > s1)
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>            <IMG src="http://download.cnblogs.com/Images/dot.gif">{
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                x2 = x + L * Math.Cos(a * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y2 = y + L * Math.Sin(a * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                x2R = x2 + L / s2 * Math.Cos((a + B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y2R = y2 + L / s2 * Math.Sin((a + B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                x2L = x2 + L / s2 * Math.Cos((a - B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y2L = y2 + L / s2 * Math.Sin((a - B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                x1 = x + L / s2 * Math.Cos(a * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y1 = y + L / s2 * Math.Sin(a * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                x1L = x1 + L / s2 * Math.Cos((a - B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y1L = y1 + L / s2 * Math.Sin((a - B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                x1R = x1 + L / s2 * Math.Cos((a + B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                y1R = y1 + L / s2 * Math.Sin((a + B) * PI);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>              
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                g.DrawLine(pen,(int) x, (int) y, (int) x2, (int) y2);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                g.DrawLine(pen,(int) x2, (int) y2, (int) x2R, (int) y2R);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                g.DrawLine(pen,(int) x2, (int) y2, (int) x2L, (int) y2L);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                g.DrawLine(pen,(int) x1, (int) y1, (int) x1L, (int) y1L);  
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                g.DrawLine(pen,(int) x1, (int) y1, (int) x1R, (int) y1R);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>          
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                DrawLeaf(g, x2, y2, L / s3, a + C,B,C);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                DrawLeaf(g, x2R, y2R, L / s2, a + B,B,C);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                DrawLeaf(g, x2L, y2L, L / s2, a - B,B,C);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                DrawLeaf(g, x1L, y1L, L / s2, a - B,B,C);
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>                DrawLeaf(g, x1R, y1R, L / s2, a + B,B,C);    
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>            }
<IMG src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }
</DIV></DIV>
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1楼#
发布于：2005-01-30 23:15
/**//// <summary>
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        /// 绘制图形
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        /// </summary>
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        /// <param name="g"></param>
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        public void paint(Graphics g)
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">        <img src="http://download.cnblogs.com/Images/dot.gif">{        
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            if (dstatus)  
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">            <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">                D += 0.2f;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">                if (D>=10) dstatus = false;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">            }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            else  
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">            <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">                D -= 0.2f;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">                if (D<=-10) dstatus = true;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">            }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            if (K<60) K=K+0.2f;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            //清除缓冲内的图形
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            offscreenbuffer.Clear(Color.White);
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">      
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            //在offscreenbuffer中画树;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            DrawLeaf(offscreenbuffer,200, 300, 30,270,K,D);
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            //将缓冲画出来
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            g.DrawImage(offscreenimage,0,0);
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        public void Init()
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">        <img src="http://download.cnblogs.com/Images/dot.gif">{  
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">//            //创建缓冲区内的图形
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            offscreenimage= new Bitmap(this.Width,this.Height);
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            //得到g;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            offscreenbuffer=Graphics.FromImage(offscreenimage);
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            pen = new Pen(brush,1);
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        float D=-10;//树的弯曲角度C
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        float K=40;//树杈的伸展角度B
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        bool dstatus = true;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        public static readonly double PI = Math.PI / 180;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        Bitmap offscreenimage=null;    //缓冲区中的图形
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        Graphics offscreenbuffer=null;  //缓存中的g
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        MemoryStream stream = new MemoryStream();
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">        <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        Thread thread;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        private void btnPlay_Click(object sender, System.EventArgs e)
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">        <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            thread = new Thread(new ThreadStart(RePaint));
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            thread.Start();
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            btnPlay.Enabled = false;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            btnStop.Enabled = true;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        private void btnStop_Click(object sender, System.EventArgs e)
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">        <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            thread.Suspend();
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            btnStop.Enabled = false;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            btnPlay.Enabled = true;
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">        private void frmAction_Closing(object sender, System.ComponentModel.CancelEventArgs e)
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">        <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            if (thread.ThreadState==ThreadState.Running)
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif"><img src="http://download.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif">            <img src="http://download.cnblogs.com/Images/dot.gif">{
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">                thread.Abort();
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">            }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">
<img src="http://download.cnblogs.com/Images/OutliningIndicators/InBlock.gif">            Application.ExitThread();
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">        }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif">    }
<img src="http://download.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif">}
<img src="http://download.cnblogs.com/Images/OutliningIndicators/None.gif">
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2楼#
发布于：2005-01-30 23:16
使用GDI+画的,使用算法生成,为避免重绘小树摇摆时画面的闪烁,使用了双缓冲,还真的有效果....

<img src="http://download.cnblogs.com/images/cnblogs_com/william_fire/1.jpg"><img src="http://download.cnblogs.com/images/cnblogs_com/william_fire/1.jpg">
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queensf
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3楼#
发布于：2005-02-16 18:29
<img src="images/post/smile/dvbbs/em06.gif" />
[color=blue][size=4][i][b][u] 【 解决不了的事情，就不要想。世界不会因为我而改变。 】 [/size][/u][/b][/i][/color]
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4楼#
发布于：2005-04-17 14:02
<img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" />总统
天天很自由！我想我能……
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星期天
星期天
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5楼#
发布于：2005-04-17 14:03
<img src="images/post/smile/dvbbs/em03.gif" /><img src="images/post/smile/dvbbs/em03.gif" /><img src="images/post/smile/dvbbs/em03.gif" />
天天很自由！我想我能……
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chang_an0632
chang_an0632
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6楼#
发布于：2005-06-02 20:08
很好啊
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phoenix
phoenix
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7楼#
发布于：2007-08-04 14:57
<P>Very Good!!Tanks</P><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em01.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em08.gif" /><img src="images/post/smile/dvbbs/em08.gif" /><img src="images/post/smile/dvbbs/em08.gif" /><img src="images/post/smile/dvbbs/em08.gif" />
道法自然 天行健，君子以自强不息。 地势坤，君子以厚德载物。
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whmwxhanshan123
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8楼#
发布于：2007-08-04 22:45
<img src="images/post/smile/dvbbs/em04.gif" />
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