planeGame/MyGameFrame.java at master · lxy353/planeGame · GitHub

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import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;


public class MyGameFrame  extends  Frame {

	Image   planeImg  = GameUtil.getImage("images/plane.png");
	Image   bg  = GameUtil.getImage("images/bg.jpg");

	Plane   plane = new Plane(planeImg,250,250);
	Shell  shell = new Shell();
	Shell[] shells = new Shell[50];

	@Override
	public void paint(Graphics g) {

		g.drawImage(bg, 0, 0, null);

		plane.drawSelf(g);
		for(int i =0; i<shells.length;i++) {
			shells[i].draw(g);

			boolean peng = shells[i].getRect().intersects(plane.getRect());
			if(peng) {
				plane.live=false;

			}
		}
		shell.draw(g);
	}

	class  PaintThread  extends  Thread  {
		@Override
		public void run() {
			while(true){
				repaint();

				try {
					Thread.sleep(40);   	//1s=1000ms
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}

	}

	class   KeyMonitor extends  KeyAdapter  {

		@Override
		public void keyPressed(KeyEvent e) {
			plane.addDirection(e);
		}

		@Override
		public void keyReleased(KeyEvent e) {
			plane.minusDirection(e);
		}


	}

	public  void  launchFrame(){
		this.setTitle("lxy·");
		this.setVisible(true);
		this.setSize(Constant.GAME_WIDTH	, Constant.GAME_HEIGHT);
		this.setLocation(300, 300);

		this.addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});

		new PaintThread().start();
		addKeyListener(new KeyMonitor());

		for(int i =0; i<shells.length;i++) {
			shells[i]= new Shell();

		}
	}

	public static void main(String[] args) {
		MyGameFrame  f = new MyGameFrame();
		f.launchFrame();
	}

	private Image offScreenImage=null;
	public void update(Graphics g) {
		if(offScreenImage == null)
			offScreenImage = this.createImage(Constant.GAME_WIDTH, Constant.GAME_HEIGHT);

		Graphics gOff = offScreenImage.getGraphics();
		paint(gOff);
		g.drawImage(offScreenImage, 0, 0, null);

	}

}