java之坦克大戰（一）

package 坦克遊戲第二版;
import java.awt.*;
import java.awt.event.*;
import java.util.Vector;
import javax.swing.*;
public class TanKe extends JFrame{
	MyPanel mp = null;
	public TanKe() {
		// TODO Auto-generated constructor stub
		mp = new MyPanel(400,400,0,2,0);
		this.add(mp);
		this.addKeyListener(mp);
		this.setSize(500, 500); // 設置框體大小
		this.setLocation(400, 150); // 設置框體顯示的位置
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 設置框體退出
		this.setVisible(true); // 顯示框體
	}
	public static void main(String[] args) {
		TanKe tk = new TanKe();
	}
}

class MyPanel extends JPanel implements KeyListener{	
	Tank tank = null;  // 採用多態的形式編寫代碼
	Vector<Enemy> vc = null;
	int enSize = 3;
	public MyPanel(int x,int y,int color,int speed,int direct) {
		tank = new Hero(x, y, speed, color, direct); // 多態
		vc = new Vector<Enemy>(); // 存放敵人坦克的容器
		for(int i=0;i<enSize;i++){
			vc.add(  new Enemy((i+1)*50,100,2,1,2)  );
		}
	}
	public void paint(Graphics g){
		super.paint(g);
		g.fillRect(0, 0, 500, 500);
//		if(tank instanceof Hero) drawTank(tank.getX(), tank.getY(), tank.getColor(), g, tank.getDirect());
//		if(tank instanceof Enemy) drawTank(tank.getX(), tank.getY(), tank.getColor(), g, tank.getDirect());
		drawTank(tank.getX(), tank.getY(), tank.getColor(), g, tank.getDirect());
		for(int i=0;i<vc.size();i++)
			drawTank(vc.get(i).getX(), vc.get(i).getY(), vc.get(i).getColor(), g, vc.get(i).getDirect());
	} 
	private void drawTank(int x, int y, int type, Graphics g, int direct) {
		// TODO Auto-generated method stub
		switch (type) {
		case 0:
			g.setColor(Color.yellow);
			break;
		case 1:
			g.setColor(Color.red);
			break;
		}
		switch (direct) {
		//向上
		case 0:
			g.fill3DRect(x, y, 5, 30, false); // 填充矩形
			g.fill3DRect(x + 15, y, 5, 30, false);
			g.fill3DRect(x + 5, y + 5, 10, 20, false);
			g.fillOval(x + 4, y + 10, 10, 10);
			g.drawLine(x + 10, y + 15, x + 10, y);
			break;
		//向右
		case 1:
			g.fill3DRect(x, y, 30, 5, false);
			g.fill3DRect(x, y+15, 30, 5, false);
			g.fill3DRect(x+5, y+5, 20, 10, false);
			g.fillOval(x+10, y+5, 10, 10);
			g.drawLine(x+15, y+10, x+30, y+10);
			break;
		//向下
		case 2:
			g.fill3DRect(x, y, 5, 30, false); // 填充矩形
			g.fill3DRect(x + 15, y, 5, 30, false);
			g.fill3DRect(x + 5, y + 5, 10, 20, false);
			g.fillOval(x + 4, y + 10, 10, 10);
			g.drawLine(x + 10, y + 15, x + 10, y+30);
			break;
		//向左
		case 3:
			g.fill3DRect(x, y, 30, 5, false);
			g.fill3DRect(x, y+15, 30, 5, false);
			g.fill3DRect(x+5, y+5, 20, 10, false);
			g.fillOval(x+10, y+5, 10, 10);
			g.drawLine(x+15, y+10, x, y+10);
			break;
		}
	}
	// 按下鍵
	@Override
	public void keyPressed(KeyEvent e) {
		// TODO Auto-generated method stub
		// w表示向上，d表示向右，s表示向下，a表示想左
		if(e.getKeyCode()==KeyEvent.VK_W){
			this.tank.setDirect(0); // 設置方向
			this.tank.y -= this.tank.speed; // 運行速度
		}
		if(e.getKeyCode()==KeyEvent.VK_D){
			this.tank.setDirect(1);
			this.tank.x += this.tank.speed;
		}
		if(e.getKeyCode()==KeyEvent.VK_S){
			this.tank.setDirect(2);
			this.tank.y += this.tank.speed;
		}
		if(e.getKeyCode()==KeyEvent.VK_A){
			this.tank.setDirect(3);
			this.tank.x -= this.tank.speed;
		}
		this.repaint();
	}
	@Override
	public void keyReleased(KeyEvent e) {
		// TODO Auto-generated method stub
		
	}
	@Override
	public void keyTyped(KeyEvent e) {
		// TODO Auto-generated method stub
		
	}
	
}


class Hero extends Tank{
	public Hero(int x,int y,int speed,int color,int direct) {
		// TODO Auto-generated constructor stub
		super(x,y,speed,color,direct);
	}
}

class Enemy extends Tank{
	public Enemy(int x,int y,int speed,int color,int direct) {
		// TODO Auto-generated constructor stub
		super(x,y,speed,color,direct);
	}
}

class Tank{
	int x; // 坦克的橫座標
	int y; // 坦克的縱座標
	int speed; // 坦克的速度
	// 0代表黃色， 1代表紅色
	int color; // 坦克的顏色
	// 0表示向上，1表示向右，2表示向下，3表示向左
	int direct;	
	public Tank(int x, int y,int speed,int color,int direct) {
		// TODO Auto-generated constructor stub
		this.x = x;
		this.y = y;
		this.speed = speed;
		this.color = color;
		this.direct = direct;
	}
	public int getX() {
		return x;
	}
	public void setX(int x) {
		this.x = x;
	}
	public int getY() {
		return y;
	}
	public void setY(int y) {
		this.y = y;
	}
	public int getSpeed() {
		return speed;
	}
	public void setSpeed(int speed) {
		this.speed = speed;
	}
	public int getColor() {
		return color;
	}
	public void setColor(int color) {
		this.color = color;
	}
	public int getDirect() {
		return direct;
	}
	public void setDirect(int direct) {
		this.direct = direct;
	}
}