animation.java~4~

来自「一个画图的applet工具」· JAVA~4~ 代码 · 共 57 行

package animation;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class animation extends Applet implements Runnable{
  Image Images[];
  Thread thread;
  int Frame;

  //Construct the applet
  public animation() {
  }

  //Initialize the applet
  public void init() {
    int i;
    Images = new Image[11];
    thread = null;
    for(i=0;i<Images.length;i++)
      Images[i]=getImage(getDocumentBase(),"gif/" + i + ".jpg");
  }

  public void start(){
    if (thread == null){
      thread = new Thread(this);
      thread.start();
    }
  }

  public void stop(){
    if (thread != null){
      thread.stop();
      thread = null;
    }
  }

  public void run(){
    while (true){
      Frame++;
      Frame%=(Images.length);
      repaint();
      try{
        Thread.sleep(300);
      }
      catch (InterruptedException e){}
    }
  }

  public void update(Graphics g)
  {
    g.drawImage(Images[Frame],0,0,this);
  }

}