circlespanel.java

随机运动的小球程序

import java.awt.*;
class CirclesPanel extends Canvas
{  Circle circles[];
    int num=0;
    
    public void init(Circle circle[],int numc)
  {
    circles=circle;
    num=numc;
    //circles=new Circle[num];
    //int i=0,circles=10; //need changed
      //  while (i!=circles) {

        

        //i=i+1;}
    
    
   }
    	

  
  
   
	public void paint(Graphics g)
	{
		super.paint(g);
		draw(g);
		
	}
	public void draw(Graphics g)
	{   int i=0;
		g.setColor(Color.pink);
		
		while (i<num) {
        g.fillArc(circles[i].getX(),circles[i].getY(),circles[i].getRadius(),circles[i].getRadius(),0,360);	   
        i+=1;
        }
	     
	
	}
	
}