软件价值13-水族箱 My Aquarium

import java.awt.Frame; import java.awt.Graphics; import java.awt.Image; import java.awt.MediaTracker; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.net.URL; import java.util.Vector; public class Test extends Frame implements Runnable { private static final long serialVersionUID = 1L; Image aquariumImage, memoryImage; Graphics memoryGraphics; int numberFish = 8; int sleepTime = 110; Vector<Fish> fishes = new Vector<Fish>(); boolean runOK = true; Image[] fishImages = new Image[2]; MediaTracker tracker; Thread thread; Test() { setTitle("The Aquarium"); tracker = new MediaTracker(this); URL fish1Address = getClass().getResource("resource/fish1.gif"); URL fish2Address = getClass().getResource("resource/fish2.gif"); URL bubblesAddress = getClass().getResource("resource/tank.jpg"); // fishImages[0] = Toolkit.getDefaultToolkit().getImage("fish1.gif"); fishImages[0] = Toolkit.getDefaultToolkit().getImage(fish1Address); tracker.addImage(fishImages[0], 0); // fishImages[1] = Toolkit.getDefaultToolkit().getImage("fish2.gif"); fishImages[1] = Toolkit.getDefaultToolkit().getImage(fish2Address); tracker.addImage(fishImages[1], 0); // aquariumImage = Toolkit.getDefaultToolkit().getImage("bubbles.gif"); aquariumImage = Toolkit.getDefaultToolkit().getImage(bubblesAddress); tracker.addImage(aquariumImage, 0); try { tracker.waitForID(0); } catch(Exception ex) { System.out.println(ex.getMessage()); } setSize(aquariumImage.getWidth(this), aquariumImage.getHeight(this)); setResizable(false); setVisible(true); memoryImage = createImage(getSize().width, getSize().height); memoryGraphics = memoryImage.getGraphics(); thread = new Thread(this); thread.start(); this.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent windowEvent) { runOK = false; System.exit(0); } }); } public void run() { Rectangle edges = new Rectangle(0 + getInsets().left, 0 + getInsets().top, getSize().width - (getInsets().left + getInsets().right), getSize().height - (getInsets().top + getInsets().bottom)); for(int loopIndex = 0; loopIndex < numberFish; loopIndex++) { fishes.add(new Fish(fishImages[0], fishImages[1], edges, this)); try { Thread.sleep(20); } catch(Exception exp) { System.out.println(exp.getMessage()); } } Fish fish; while(runOK) { for(int loopIndex = 0; loopIndex < numberFish; loopIndex++) { fish = (Fish) fishes.elementAt(loopIndex); fish.swim(); } try { Thread.sleep(sleepTime); } catch(Exception exp) { System.out.println(exp.getMessage()); } repaint(); } } public void update(Graphics g) { memoryGraphics.drawImage(aquariumImage, 0, 0, this); for(int loopIndex = 0; loopIndex < numberFish; loopIndex++) { ((Fish) fishes.elementAt(loopIndex)).drawFishImage(memoryGraphics); } g.drawImage(memoryImage, 0, 0, this); } public static void main(String[] args) { new Test(); } }