一片叶子

来源：互联网发布：java就业怎么样知乎编辑：程序博客网时间：2024/04/27 13:26

import java.applet.*;
import java.awt.*;
public class LeafApplet extends java.applet.Applet {
    public void init() {
    }
    public void paint(Graphics g){
        int i;
        double x=0,y=0,r,u=0;
        for(i=0;i<=200000;i++) {
            r = (int)(Math.random()*100);
            if (r < 1){
                x = 0;
                y = .16 * y;
            }
            if (r>=1 && r<86){
                u = .85 * x + .04 * y;
                y = -0.04*x + 0.85 * y + 1.6;
                x = u;
            }
            if (r>=86 && r<97){
                u = .2 * x - .26 * y;
                y = .23 * x + .22 * y + 1.6;
                x = u;
            }
            if (r>=97){
                u = -.15 * x + .28 * y;
                y = 0.26 * x + .24 * y +.44;
                x = u;
            }
            g.setColor(new Color(0,230,80));
            g.drawLine((int)(40*x+120),(int)(420-40*y),(int)(40*x+120),(int)(420-40*y));
        }
    }
}