参考自尚学堂
对代码有一定的重构,功能的添加(按‘G’开挂)
文末源码自取,不会 github、git 建议先去学会基本使用,
也可以在对应界面直接下载压缩包
KeyMonitor (内部类)
keyPressed(KeyEvent): void
keyReleased(KeyEvent): void
launch(): void
paint(Graphics): void
main(String[]): void
package com.company.tank;
import javax.swing.*;
import java .awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
public class GamePanel extends JFrame {
/** 定义双缓存图片 */
private Image offScreenImage = null;
//游戏状态: 0 游戏未开始,1 单人模式,2 双人模式, 3 游戏暂停, 4 游戏失败,5 游戏成功
public int state= 0;
//临时变量
private int a = 1;
//重绘次数
public int count = 0;
//窗口长宽
private int width = 800;
private int height = 610;
//敌人数量
private int enemyCount = 0;
//高度
private int y = 150;
//是否开始
private boolean start = false;
//物体集合
public List<Bullet> bulletList = new ArrayList<>();
public List<Bot> botList = new ArrayList<>();
public List<Tank> tankList = new ArrayList<>();
public List<Wall> wallList = new ArrayList<>();
public List<Bullet> removeList = new ArrayList<>();
public List<Base> baseList = new ArrayList<>();
public List<BlastObj> blastList = new ArrayList<>();
//背景图片
public Image background = Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/background.jpg"));
//指针图片
private Image select = Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/selecttank.gif"));
//基地
private Base base = new Base(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/star.gif"))
, 365, 560, this);
//玩家
private PlayerOne playerOne = new PlayerOne(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player1/p1tankU.gif")),
125, 510,
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player1/p1tankU.gif")),Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player1/p1tankD.gif")),
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player1/p1tankL.gif")),Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player1/p1tankR.gif")), this);
private PlayerTwo playerTwo = new PlayerTwo(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player2/p2tankU.gif")),
625, 510,
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player2/p2tankU.gif")),
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player2/p2tankD.gif")),
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player2/p2tankL.gif")),
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/player2/p2tankR.gif")), this);
//窗口的启动方法
public void launch(){
//标题
setTitle("坦克大战");
//窗口初始大小
setSize(width, height);
//用户不能调整大小
setResizable(false);
//使窗口可见
setVisible(true);
//获取屏幕分辨率,使窗口生成时居中
setLocationRelativeTo(null);
//添加关闭事件
setDefaultCloseOperation(EXIT_ON_CLOSE);
//添加键盘事件
this.addKeyListener(new GamePanel.KeyMonitor());
//添加围墙 60*60
for(int i = 0; i< 14; i ++){
wallList.add(new Wall(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/walls.gif")), i*60 ,170, this ));
}
wallList.add(new Wall(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/walls.gif")), 305 ,560,this ));
wallList.add(new Wall(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/walls.gif")), 305 ,500,this ));
wallList.add(new Wall(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/walls.gif")), 365 ,500,this ));
wallList.add(new Wall(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/walls.gif")), 425 ,500,this ));
wallList.add(new Wall(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/walls.gif")), 425 ,560,this ));
//添加基地
baseList.add(base);
while (true){
if(botList.size() == 0 && enemyCount == 10){
state = 5;
}
if(tankList.size() == 0 && (state == 1 || state == 2)){
state = 4;
}
if(state == 1 || state == 2){
if (count % 100 == 1 && enemyCount < 10) {
Random r = new Random();
int rnum =r.nextInt(800);
botList.add(new Bot(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/enemy/enemy1U.gif")), rnum, 110,
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/enemy/enemy1U.gif")),Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/enemy/enemy1D.gif")),
Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/enemy/enemy1L.gif")),Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/enemy/enemy1R.gif")), this));
enemyCount++;
}
}
repaint();
try {
//线程休眠
Thread.sleep(25);
}catch (Exception e){
e.printStackTrace();
}
}
}
@Override
public void paint(Graphics g) {
// 创建和容器一样大小的Image图片
if(offScreenImage ==null){
offScreenImage=this.createImage(width, height);
}
// 获得该图片的画布
Graphics gImage= offScreenImage.getGraphics();
// 背景颜色
gImage.setColor(Color.gray);
// 填充整个画布
gImage.fillRect(0, 0, width, height);
//改变画笔的颜色
gImage.setColor(Color.orange);
//改变文字大小和样式
gImage.setFont(new Font("正楷",Font.BOLD,50));
if(state == 0){
//添加文字
gImage.drawString("选择游戏模式",220,100);
gImage.drawString("单人游戏",220,200);
gImage.drawString("双人游戏",220,300);
gImage.drawString("按1,2选择模式,按回车开始游戏",0,400);
gImage.drawImage(select,160,y,null);
}
else if(state == 1||state == 2){
gImage.setColor(Color.red);
gImage.setFont(new Font("仿宋",Font.BOLD,20));
gImage.drawString("WASD控制移动",0,510);
gImage.drawString("空格射击",0,550);
if(state == 2){
gImage.drawString("方向键控制移动",575,510);
gImage.drawString("K射击",575,550);
}
//paint重绘游戏元素
for(Tank tank : tankList){
tank.paintSelf(gImage);
}
for(Bullet bullet: bulletList){
bullet.paintSelf(gImage);
}
bulletList.removeAll(removeList);
for(Bot bot: botList){
bot.paintSelf(gImage);
}
for (Wall wall: wallList){
wall.paintSelf(gImage);
}
for(Base base : baseList){
base.paintSelf(gImage);
}
for(BlastObj blast : blastList){
blast.paintSelf(gImage);
}
//重绘次数+1
count++;
}
else if(state == 3){
gImage.drawString("游戏暂停",220,200);
}
else if(state == 4){
gImage.drawString("游戏失败",220,200);
}
else if(state == 5){
gImage.drawString("游戏胜利",220,200);
}
/* 将缓冲区绘制好的图形整个绘制到容器的画布中 */
g.drawImage(offScreenImage, 0, 0, null);
}
private class KeyMonitor extends KeyAdapter {
@Override
public void keyPressed(KeyEvent e) {
//super.keyPressed(e);
int key = e.getKeyCode();
switch (key){
case KeyEvent.VK_1:
y = 150;
a = 1;
break;
case KeyEvent.VK_2:
y = 250;
a = 2;
break;
case KeyEvent.VK_ENTER:
state = a;
//添加玩家
if(state == 1 && !start){
tankList.add(playerOne);
}else{
tankList.add(playerOne);
tankList.add(playerTwo);
}
start = true;
break;
case KeyEvent.VK_P:
if(state != 3){
a = state;
state = 3;
}
else{
state = a;
if(a == 0) {
a = 1;
}
}
break;
default:
playerOne.keyPressed(e);
playerTwo.keyPressed(e);
break;
}
}
@Override
public void keyReleased(KeyEvent e){
playerOne.keyReleased(e);
playerTwo.keyReleased(e);
}
}
public static void main(String[] args) {
GamePanel gamePanel = new GamePanel();
gamePanel.launch();
}
}
GameObject()
GameObject(Image, int, int, GamePanel)
getImg(): Image
setImg(Image): void
对X,Y,Width,Height,Speed,GamePanel 的getter和setter
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
public abstract class GameObject {
//游戏元素图片
Image img;
//游戏元素的横坐标
int x;
//游戏元素的纵坐标
int y;
//游戏元素的宽
int width;
//游戏元素的高
int height;
//游戏元素的移动速度
int speed;
//游戏元素的移动方向
Direction direction;
//引入主界面
GamePanel gamePanel;
public GameObject(){}
public GameObject(Image img, int x, int y, GamePanel gamePanel) {
this.img = img;
this.x = x;
this.y = y;
this.gamePanel = gamePanel;
}
public Image getImg() {
return img;
}
public void setImg(Image img) {
this.img = img;
}
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 getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
public int getHeight() {
return height;
}
public void setHeight(int height) {
this.height = height;
}
public double getSpeed() {
return speed;
}
public void setSpeed(int speed) {
this.speed = speed;
}
public GamePanel getGamePanel() {
return gamePanel;
}
public void setGamePanel(GamePanel gamepanel) {
this.gamePanel = gamePanel;
}
//继承元素绘制自己的方法
public abstract void paintSelf(Graphics g);
//获取当前游戏元素的矩形,是为碰撞检测而写(位置)
public abstract Rectangle getRec();
}
Base(Image, int, int, GamePanel)
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
public class Base extends GameObject {
public int width = 60;
public int height = 60;
public Base(Image img, int x, int y, GamePanel gamePanel){
super(img, x, y, gamePanel);
}
@Override
public void paintSelf(Graphics g) {
g.drawImage(img, x, y, null);
}
@Override
public Rectangle getRec() {
return new Rectangle(x, y, width, height);
}
}
Wall(Image, int, int, GamePanel)
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
public class Wall extends GameObject {
public int width = 60;
public int height = 60;
public Wall(Image img, int x, int y, GamePanel gamePanel){
super(img, x, y, gamePanel);
}
@Override
public void paintSelf(Graphics g) {
g.drawImage(img, x, y, null);
}
@Override
public Rectangle getRec() {
return new Rectangle(x, y, width, height);
}
}
AttackCD
run(): void
Tank(Image, int, int, Image, Image, Image, Image, …)
leftward(): void //移动
rightward(): void
upward(): void
downward(): void
attack(): void
hitWall(int, int): boolean
moveToBorder(int, int): boolean
getHeadPoint(): Point
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.List;
public class Tank extends GameObject{
private boolean attackCoolDown =true;//攻击冷却状态
private int attackCoolDownTime =1000;//攻击冷却时间毫秒间隔1000ms发射子弹
private Image upImage; //向上移动时的图片
private Image downImage;//向下移动时的图片
private Image rightImage;//向右移动时的图片
private Image leftImage;//向左移动时的图片
boolean alive = true;
//坦克size
int width = 40;
int height = 50;
//坦克初始方向
Direction direction = Direction.UP;
//坦克速度
private int speed = 3;
//坦克头部坐标
Point p;
//坦克坐标,方向,图片,方向,面板
public Tank(Image img, int x, int y, Image upImage, Image downImage, Image leftImage, Image rightImage, GamePanel gamePanel) {
super(img, x, y, gamePanel);
this.upImage = upImage;
this.leftImage = leftImage;
this.downImage = downImage;
this.rightImage = rightImage;
}
public void leftward(){
direction = Direction.LEFT;
setImg(leftImage);
if(!hitWall(x-speed, y) && !moveToBorder(x-speed, y) && alive){
this.x -= speed;
}
}
public void rightward(){
direction = Direction.RIGHT;
setImg(rightImage);
if(!hitWall(x+speed, y) && !moveToBorder(x+speed, y) && alive){
this.x += speed;
}
}
public void upward(){
direction = Direction.UP;
setImg(upImage);
if(!hitWall(x, y-speed) && !moveToBorder(x, y- speed) && alive){
this.y -= speed;
}
}
public void downward(){
direction = Direction.DOWN;
setImg(downImage);
if(!hitWall(x, y+speed) && !moveToBorder(x, y+speed) && alive){
this.y += speed;
}
}
public void attack(){
Point p = getHeadPoint();
if(attackCoolDown && alive){
Bullet bullet = new Bullet(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/bullet/bulletGreen.gif")),p.x,p.y,direction, this.gamePanel);
this.gamePanel.bulletList.add(bullet);
attackCoolDown = false;
new AttackCD().start();
}
}
public boolean hitWall(int x, int y){
//假设玩家坦克前进,下一个位置形成的矩形
Rectangle next = new Rectangle(x, y, width, height);
//地图里所有的墙体
List<Wall> walls = this.gamePanel.wallList;
//判断两个矩形是否相交(即是否撞墙)
for(Wall w:walls){
if(w.getRec().intersects(next)){
return true;
}
}
return false;
}
public boolean moveToBorder(int x, int y){
if(x < 0){
return true;
}else if(x > this.gamePanel.getWidth()-width){
return true;
}
if(y < 0){
return true;
}else if(y > this.gamePanel.getHeight()-height){
return true;
}
return false;
}
public class AttackCD extends Thread{
public void run(){
attackCoolDown=false;//将攻击功能设置为冷却状态
try{
Thread.sleep(attackCoolDownTime);//休眠1秒
}catch(InterruptedException e){
e.printStackTrace();
}
attackCoolDown=true;//将攻击功能解除冷却状态
this.interrupt();
}
}
//根据方向确定头部位置,x和y是左下角的点
public Point getHeadPoint(){
switch (direction){
case UP:
return new Point(x + width/2, y );
case LEFT:
return new Point(x, y + height/2);
case DOWN:
return new Point(x + width/2, y + height);
case RIGHT:
return new Point(x + width, y + height/2);
default:
return null;
}
}
@Override
public void paintSelf(Graphics g) {
g.drawImage(img, x, y, null);
}
@Override
public Rectangle getRec() {
return new Rectangle(x, y, width, height);
}
}
PlayerOne(Image, int, int, Image, Image, Image, Image, …)
keyPressed(KeyEvent): void
keyReleased(KeyEvent): void
move(): void
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
import java.awt.event.KeyEvent;
public class PlayerOne extends Tank {
private boolean up = false;
private boolean left = false;
private boolean right = false;
private boolean down = false;
public PlayerOne(Image img, int x, int y, Image upImage, Image downImage, Image leftImage, Image rightImage, GamePanel gamePanel){
super(img, x, y, upImage, downImage, leftImage, rightImage, gamePanel);
}
public void keyPressed(KeyEvent e){
int key = e.getKeyCode();
switch (key){
case KeyEvent.VK_A:
left = true;
break;
case KeyEvent.VK_S:
down = true;
break;
case KeyEvent.VK_D:
right = true;
break;
case KeyEvent.VK_W:
up = true;
break;
case KeyEvent.VK_SPACE:
this.attack();
break;
case KeyEvent.VK_G: // 开挂:清除现存敌方坦克中存活最久的一个
Bot b = this.gamePanel.botList.remove(0);
gamePanel.botList.remove(b);
gamePanel.blastList.add(new BlastObj(b.x, b.y));
break;
//TODO g
default:
break;
}
}
public void keyReleased(KeyEvent e){
int key = e.getKeyCode();
switch (key){
case KeyEvent.VK_A:
left = false;
break;
case KeyEvent.VK_S:
down = false;
break;
case KeyEvent.VK_D:
right = false;
break;
case KeyEvent.VK_W:
up = false;
break;
default:
break;
}
}
public void move(){ // 根据状态前进/停止
if(left){
leftward();
}
else if(right){
rightward();
}
else if(up){
upward();
}else if(down){
downward();
}
}
public void paintSelf(Graphics g) {
g.drawImage(img, x, y, null);
move();
}
public Rectangle getRec() {
return new Rectangle(x, y, width, height);
}
}
添加player只需要改名
Bot(Image, int, int, Image, Image, Image, Image, …)
go(): void
randomDirection(): Direction
attack(): void
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
import java.util.Random;
public class Bot extends Tank{
int moveTime = 0;
public Bot(Image img, int x, int y, Image upImage, Image downImage, Image leftImage, Image rightImage, GamePanel gamePanel) {
super(img, x, y, upImage, downImage, leftImage, rightImage, gamePanel);
}
public void go(){
attack();
if(moveTime>=20) {
direction=randomDirection();
moveTime=0;
}else {
moveTime+=1;
}
switch (direction) {
case UP -> upward();
case DOWN -> downward();
case RIGHT -> rightward();
case LEFT -> leftward();
}
}
//电脑坦克随机方向
public Direction randomDirection() {
Random r = new Random();
int rnum = r.nextInt(4);
switch(rnum) {
case 0:
return Direction.UP;
case 1:
return Direction.RIGHT;
case 2:
return Direction.LEFT;
default:
return Direction.DOWN;
}
}
//只有4%几率攻击
public void attack() {
Point p = getHeadPoint();
Random r = new Random();
int rnum =r.nextInt(100);
if(rnum<4) {
EnemyBullet enemyBullet = new EnemyBullet(Toolkit.getDefaultToolkit().getImage(getClass().getResource("images/bullet/bulletYellow.gif")),p.x,p.y,direction,gamePanel);
this.gamePanel.bulletList.add(enemyBullet);
}
}
@Override
public void paintSelf(Graphics g) {
g.drawImage(img,x,y,null);
this.go();
}
@Override
public Rectangle getRec() {
return new Rectangle(x, y, width, height);
}
}
Bullet(Image, int, int, Direction, GamePanel)
go(): void
leftward(): void
rightward(): void
upward(): void
downward(): void
hitBot(): void //碰撞检测
hitBase(): void
hitWall(): void
moveToBorder(): void
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
import java.util.List;
public class Bullet extends GameObject{
private int width = 10;
private int height = 10;
private int speed = 7;
Direction direction;
public Bullet(Image img, int x, int y, Direction direction,GamePanel gamePanel) {
super(img, x, y, gamePanel);
this.direction = direction;
}
public void go(){
/*判断移动方向*/
switch (direction) {
case UP -> upward();
case LEFT -> leftward();
case DOWN -> downward();
case RIGHT -> rightward();
}
}
// 子弹移动+边界判断
public void leftward(){
x -= speed;
moveToBorder();
}
public void rightward(){
x += speed;
moveToBorder();
}
public void upward(){
y -= speed;
moveToBorder();
}
public void downward(){
y += speed;
moveToBorder();
}
/*子弹与坦克碰撞检测*/
public void hitBot(){
Rectangle next= this.getRec();
List<Bot> bots = this.gamePanel.botList;
//子弹和bot
for(Bot bot: bots){
if(bot.getRec().intersects(next)){ // 空间有交集
this.gamePanel.blastList.add(new BlastObj(bot.x-34, bot.y-14));
this.gamePanel.botList.remove(bot);
this.gamePanel.removeList.add(this); // 回收子弹
break;
}
}
}
public void hitBase(){
Rectangle next = this.getRec();
for(Base base: gamePanel.baseList) {
if (base.getRec().intersects(next)) {
this.gamePanel.baseList.remove(base);
this.gamePanel.removeList.add(this);
this.gamePanel.state = 4;
break;
}
}
}
public void hitWall(){
Rectangle next = this.getRec();
List<Wall> walls = this.gamePanel.wallList;
for(Wall w: walls) {
if (w.getRec().intersects(next)) {
this.gamePanel.wallList.remove(w);
this.gamePanel.removeList.add(this);
break;
}
}
}
// 出界回收
public void moveToBorder(){
if (x < 0||x > this.gamePanel.getWidth()) {
this.gamePanel.removeList.add(this);
}
if(y < 0||y > this.gamePanel.getHeight()) {
this.gamePanel.removeList.add(this);
}
}
@Override
public void paintSelf(Graphics g) {
g.drawImage(img, x, y, null);
go();
//碰撞检测
hitBot();
hitWall();
hitBase();
}
@Override
public Rectangle getRec() {
return new Rectangle(x, y, width, height);
}
}
EnemyBullet(Image, int, int, Direction, GamePanel)
hitTank(): void
paintSelf(Graphics): void
package com.company.tank;
import java.awt.*;
import java.util.List;
public class EnemyBullet extends Bullet {
public EnemyBullet(Image img, int x, int y, Direction direction,GamePanel gamePanel){
super(img, x, y, direction, gamePanel);
}
public void hitTank(){
Rectangle next= this.getRec();
java.util.List<Tank> tanks = this.gamePanel.tankList;
//子弹和Tank
for(Tank tank: tanks){
if(tank.getRec().intersects(next)){
tank.alive = false;
this.gamePanel.blastList.add(new BlastObj(tank.x-34, tank.y-14));
this.gamePanel.tankList.remove(tank);
this.gamePanel.removeList.add(this);
break;
}
}
}
public void paintSelf(Graphics g){
g.drawImage(img, x, y, null);
go();
hitBase();
hitWall();
hitTank();
}
}
BlastObj()
BlastObj(int, int)
init(): void
paintSelf(Graphics): void
getRec(): Rectangle
package com.company.tank;
import java.awt.*;
public class BlastObj extends GameObject {
static Image[] imgs = new Image[3];
int explodeCount = 0;
public static void init() { // 初始化
for (int i = 0; i < 3; i++) {
imgs[i] = Toolkit.getDefaultToolkit().getImage(BlastObj.class.getResource("images/blast/blast" +(i + 1)+".png"));
}
}
public BlastObj() {
super();
}
public BlastObj(int x, int y) {
this.x = x;
this.y = y;
init();
}
@Override
public void paintSelf(Graphics g) {
//绘制点击爆炸效果(连续绘制)
if (explodeCount < 3 && explodeCount>=0){
g.drawImage(imgs[explodeCount],x,y,null);
explodeCount++;
}
}
@Override
public Rectangle getRec() {
return null;
}
}
public enum Direction {
UP,LEFT,RIGHT,DOWN
}
不定时更新,以后会重构。
已更新为github链接