坦克游戏教程一：使用java绘图功能绘制简单坦克

/*
* Function: TankGame 1.0
* Draw Tank
*/
package com.test1;

import javax.swing.*;

import java.awt.*;

public class MyTankGame1 extends JFrame {

MyPanel mp = null;

public static void main(String[] args) {
// TODO 自动生成的方法存根
MyTankGame1 myTankGame1 = new MyTankGame1();

}

public MyTankGame1(){
mp = new MyPanel();
this.add(mp);
this.setSize(400, 300);
this.setVisible(true);
}

}

//My Planel
class MyPanel extends JPanel{
//Define a Tank
Hero  hero = null;
public MyPanel(){
hero = new Hero(100, 100);
}

public void paint(Graphics g){
super.paint(g);
// Draw my tank. And then encapsulate them into functions.
g.fillRect(0, 0, 400, 300);
this.drawTank(hero.getX(), hero.getY(), g, 0, 0);
}

public void drawTank(int x, int y, Graphics g, int direct, int type){

// judge type
switch(type){
case 0:
g.setColor(Color.cyan);
break;
case 1:
g.setColor(Color.YELLOW);
break;
}

// judge direction
switch(direct){
case 0:
g.setColor(Color.CYAN);
g.fill3DRect(x, y, 5, 30, false);
// Draw right rect
g.fill3DRect(x + 15,  y, 5, 30, false);
// Draw middle rect
g.fillRect(x + 5, y + 5, 10, 20);
// Draw circle
g.setColor(Color.green);
g.fillOval(x + 5, y + 10, 10, 10);
// Draw line
g.drawLine(x + 7, y + 15, x + 10, y);
break;
}
}
}

// Tank Class
class Tank{

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;
}

int x = 0;
int y = 0;

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);
}
}