Java Swing实现坦克大战游戏

//第1列
int x1=60;
int x2=90;
int width=30;
int height=30;
int oy=60;
int y=0;
int count=6;
for (int i = 0; i < count; i++) {
    y=oy+i*30;
    wall = new Wall(wallImage,x1,y,width,height,0);
    walls.add(wall);
    wall = new Wall(wallImage,x2,y,width,height,0);
    walls.add(wall);
}

//按下键盘
@Override
void keyPressed(KeyEvent e) {
	int key = e.getKeyCode();
	switch (key) {
		case KeyEvent.VK_F:
		case KeyEvent.VK_SPACE:
			fire();
			break;
		
		case KeyEvent.VK_UP:
		case KeyEvent.VK_W:
			setDir(1);
			move();
			break;
			
		case KeyEvent.VK_RIGHT:
		case KeyEvent.VK_D:
			setDir(2);
			move();
			break;
		
		case KeyEvent.VK_DOWN:
		case KeyEvent.VK_S:
			setDir(3);
			move();
			break;
		
		case KeyEvent.VK_LEFT:
		case KeyEvent.VK_A:
			setDir(4);
			move();
			break;
	}
}

void doMove(){//总共30，分3次走每次 10，用线程
	if(!alive) return ;
	if(isMove) return ;
	
	isMove=true;
	new Thread(new Runnable() {
		@Override
		public void run() {
			while (isMove){
				count++;
				go();
				if(count==3){
					count=0;
					isMove=false;
				}
				try {
					Thread.sleep(50);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
	}).start();
}
//执行位移
void go(){
	//设定位移
	switch (dir) {
		case 1:
			y-=speed;
			break;
		
		case 2:
			x+=speed;
			break;
			
		case 3:
			y+=speed;
			break;
		
		case 4:
			x-=speed;
			break;
	}
}

//判断左边界、上边界
if(tank.getX()<0||tank.getY()<0){
	return false;//不能移动
}
//判断右边界、下边界
if(tank.getX()+tank.getWidth()>gameWidth||tank.getY()+tank.getHeight()>gameHeight){
	return false;//不能移动
}

//判断墙体与坦克是否碰撞
@Override
boolean isPoint(Wall wall) {
	//因为墙比坦克小，所以只需要判断墙的4个点是否在 坦克范围内，如果有则表示碰撞了
	//左上角
	int x1 = wall.getX();
	int y1 = wall.getY();
	//右上角
	int x2 = wall.getX()+wall.getWidth();
	int y2 = wall.getY();
	//右下角
	int x3 = wall.getX()+wall.getWidth();
	int y3 = wall.getY()+wall.getHeight();
	//左下角
	int x4 = wall.getX();
	int y4 = wall.getY()+wall.getHeight();
	//只要有一个点在范围内，则判断为碰撞
	if(comparePoint(x1,y1)|| comparePoint(x2,y2)||comparePoint(x3,y3)||comparePoint(x4,y4) ){
		return true;
	}
	return false;
}
 
boolean comparePoint(int x,int y){
	//大于左上角，小于右下角的坐标则肯定在范围内
	if(x>this.x && y >this.y
		&& x<this.x+this.width && y <this.y+this.height	){
		return  true;
	}
	return false;
}

//判断击中玩家坦克
private boolean hitTank() {
	Tank pTank= null;
	List pTanks = gamePanel.pTanks;
	for (int i = 0; i < pTanks.size(); i++) {
		pTank = (Tank)pTanks.get(i);
		if(this.isPointTank(pTank)){
			//删除当前子弹
			removeMissile();
			//移除当前已方坦克
			int hp = pTank.getHp();
			hp--;
			pTank.setHp(hp);
			if(pTank.getHp()==0){
				pTank.setAlive(false);
				pTanks.remove(pTank);
				pTank=null;
				if(pTanks.size()==0){
					gamePanel.gameOver();
					break;
				}
			}
			return true;
		}
	}
	return false;
}

//判断击中敌人坦克
private boolean hitEnemyTank() {
	Tank eTank=null;
	List eTanks = gamePanel.eTanks;
	for (int i = 0; i < eTanks.size(); i++) {
		eTank = (Tank)eTanks.get(i);
		if(this.isPointTank(eTank)){
			//删除当前子弹
			removeMissile();
			//移除当前敌方坦克
			int hp = eTank.getHp();
			hp--;
			eTank.setHp(hp);
			if(eTank.getHp()==0){
				eTank.setAlive(false);
				eTanks.remove(eTank);
				eTank=null;
				gamePanel.killEnemy++;
				if(gamePanel.killEnemy>=gamePanel.killEnemyCount){
					//胜利
					gamePanel.gameWin();
					break;
				}
			}
			return true;
		}
	}
	return false;
}

private boolean hitWall(){
	//判断是否击中墙
	Wall wall=null;
	List walls = gamePanel.walls;
	for (int i = 0; i < walls.size(); i++) {
		wall = (Wall)walls.get(i);
		if(this.isPoint(wall)){
			//删除当前子弹
			removeMissile();
			if(wall.getType()==0){//普通墙被销毁
				//删除当前墙
				removeWall(wall);
			}
			return true;
		}
	}
	return false;
}

private int[] dirs= new int[]{1,2,3,3,3,4};//向下几率高

@Override
void move() {
	if(!alive) return ;
	//设定位移和图片
	switch (dir) {
		case 1:
			y-=speed;
			setImage((BufferedImage)tankImageMap.get(key+"U"));
			//判断是否能移动
			if(!panel.canMove(this)){//不能移动
				y+=speed;
				dir = dirs[getRandom(dir)];
			}
			break;
		
		case 2:
			x+=speed;
			setImage((BufferedImage)tankImageMap.get(key+"R"));
			//判断是否能移动
			if(!panel.canMove(this)){//不能移动
				x-=speed;
				dir = dirs[getRandom(dir)];
			}
			break;
			
		case 3:
			y+=speed;
			setImage((BufferedImage)tankImageMap.get(key+"D"));
			//判断是否能移动
			if(!panel.canMove(this)){//不能移动
				y-=speed;
				dir = dirs[getRandom(dir)];
			}
			break;
		
		case 4:
			x-=speed;
			setImage((BufferedImage)tankImageMap.get(key+"L"));
			//判断是否能移动
			if(!panel.canMove(this)){//不能移动
				x+=speed;
				dir = dirs[getRandom(dir)];
			}
			break;
	}
}

@Override
void fire() {
	BufferedImage image = (BufferedImage)imageMap.get("tankmissile");
	int x =0;
	int y =0;
	int w=6;
	int h=6;
	if(dir==1){
		x = this.x+width/2-w/2;
		y = this.y;
	}else if(dir==2){
		x = this.x+width;
		y = this.y+height/2-h/2;
	}else if(dir==3){
		x = this.x+width/2-w/2;
		y = this.y+height;
	}else if(dir==4){
		x = this.x;
		y = this.y+height/2-h/2;
	}
	Missile missile = new Missile(panel,image, x, y, w, h, dir, 6, "enemy");
	panel.missiles.add(missile);
	
	missile.doMove();
}

//创建定时加入敌方坦克的线程
new Thread(new Runnable() {
	@Override
	public void run() {
		while (startFlag) {
			try {
				createEnemyTank();
				Thread.sleep(5000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
}).start();	
 
 
 
private void createEnemyTank(){
int index = new Random().nextInt(3)+1;//随机敌方坦克
int x=0;
int y=0;
int w=60;
int h=60;
int fireTime=2000;//开火间隔
Tank et  = new ETank(this,imageMap,tankImageMap,x,y,w,h,fireTime,"enemy"+index);
eTanks.add(et);
}

//创建定时加入敌方坦克的线程
new Thread(new Runnable() {
	@Override
	public void run() {
		while (startFlag) {
			try {
				createEnemyTank();
				Thread.sleep(5000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
}).start();	
 
 
 
private void createEnemyTank(){
int index = new Random().nextInt(3)+1;//随机敌方坦克
int x=0;
int y=0;
int w=60;
int h=60;
int fireTime=2000;//开火间隔
Tank et  = new ETank(this,imageMap,tankImageMap,x,y,w,h,fireTime,"enemy"+index);
eTanks.add(et);
}