Java——坦克大战(1)

package com.test.tank;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class TankGame extends JFrame{

MyPanel mp = null;

public static void main(String[] args) {
TankGame test = new TankGame();

}

//构造函数
public TankGame(){
mp = new MyPanel();

this.add(mp);
this.addKeyListener(mp);

this.setSize(400, 300);
this.setTitle("坦克大战");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);

}

}

class MyPanel extends JPanel implements KeyListener{
//定义我的坦克
Hero hero = null;
int x = 190;
int y = 235;
public MyPanel(){
hero = new Hero(x, y);
}

//重写paint方法
public void paint(Graphics g){
super.paint(g);
g.fillRect(0, 0, 400, 300);

//调用画坦克函数
this.drawTank(x, y, g, 0, 0);

}
//画坦克函数
public void drawTank(int x, int y, Graphics g, int direct, int type){
//判断坦克类型
switch	(type){
case 0:
g.setColor(Color.CYAN);
break;
case 1:
g.setColor(Color.GREEN);
break;
}
////判断坦克方向
switch (direct){
case 0:
g.setColor(Color.CYAN);
g.fill3DRect(x, 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+10, x+10, y);
g.fill3DRect(x+15, y, 5, 30, false);
break;
}

}

@Override
public void keyTyped(KeyEvent e) {
// TODO 自动生成的方法存根

}

@Override
public void keyPressed(KeyEvent e) {
// TODO 自动生成的方法存根
if(e.getKeyCode() == KeyEvent.VK_UP){
y-=2;
}else if((e.getKeyCode() == KeyEvent.VK_DOWN)){
y+=2;
}else if((e.getKeyCode() == KeyEvent.VK_LEFT)){
x-=2;
}else if((e.getKeyCode() == KeyEvent.VK_RIGHT)){
x+=2;
}
this.repaint();
}

@Override
public void keyReleased(KeyEvent e) {
// TODO 自动生成的方法存根

}

}

class Tank{
//坦克横、纵坐标
int x = 0;
int y = 0;

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 Tank(int x, int y){
this.x = x;
this.y = y;
}
}

class Hero extends Tank{
public Hero (int x, int y){
super(x, y);
}
}