java计算机课程毕业设计学习源代码day13.zip

import java.awt.*; import javax.swing.*; import java.util.*; public class Pete extends JFrame { PetePanel pete = new PetePanel(); public Pete() { super("Pixel Pete"); setSize(452, 146); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel pane = new JPanel(); pane.setLayout(new GridLayout(1, 1, 15, 15)); pane.add(pete); setContentPane(pane); show(); } public static void main(String[] arguments) { Pete penguin = new Pete(); } } class PetePanel extends JPanel implements Runnable { Thread runner; Image petePics[] = new Image[6]; Image back; int current = 0; int x = -10; int y = 30; PetePanel() { super(); setBackground(Color.black); String peteSrc[] = { "right1.gif", "right2.gif", "right3.gif", "stop.gif", "blink.gif", "wave.gif" }; Toolkit kit = Toolkit.getDefaultToolkit(); for (int i=0; i < petePics.length; i++) { petePics[i] = kit.getImage(peteSrc[i]); } back = kit.getImage("backdrop.gif"); if (runner == null) { runner = new Thread(this); runner.start(); } } public void paintComponent(Graphics comp) { Graphics2D comp2D = (Graphics2D)comp; if (back != null) comp2D.drawImage(back, 0, 0, this); comp2D.setColor(Color.black); comp2D.fillRect(0, 30, 450, 30); if (petePics[current] != null) comp2D.drawImage(petePics[current], x, y, this); } public void run() { while (true) { walk(-10, 275); look(); blink(3); wave(4); walk(x, getSize().width + 10); pause(1500); } } public void walk(int start, int end) { int showpic = 0; for (int i = start; i < end; i += 5) { x = i; // swap images current = showpic; repaint(); pause(150); showpic++; if (showpic > 2) showpic = 0; } } public void blink(int numtimes) { for (int i = numtimes; i > 0; i--) { current = 4; repaint(); pause(200); current = 3; repaint(); pause(1000); } } public void wave(int numtimes) { for (int i = numtimes; i > 0; i--) { current = 3; repaint(); pause(600); current = 5; repaint(); pause(1100); } } public void look() { current = 3; repaint(); pause(1000); } public void pause(int time) { try { Thread.sleep(time); } catch (InterruptedException e) { } } }