目录
1.代码实现
Blood类
package com.tank;
import java.awt.*;
public class Blood {
int x, y, w, h;
TankClient tc;
int step = 0;
private boolean life = true;
//指明血块运动的轨迹，由pos中各个点构成
private int[][] pos = {
{350, 300}, {360, 300}, {375, 275}, {400, 200}, {360, 270}, {365, 290}, {340, 280}
};
public Blood() {
x = pos[0][0];
y = pos[0][1];
w = h = 15;
}
public boolean isLife() {
return life;
}
public void setLife(boolean life) {
this.life = life;
}
public void draw(Graphics g) {
if(!life) return;
Color c = g.getColor();
g.setColor(Color.MAGENTA);
g.fillRect(x, y, w, h);
g.setColor(c);
move();
}
private void move() {
step ++;
if(step == pos.length) {
step = 0;
}
x = pos[step][0];
y = pos[step][1];
}
public Rectangle getRect() {
return new Rectangle(x, y ,w ,h);
}
}Direction类
package com.tank;
public enum Direction {
L, LU, U, RU, R, RD, D, LD, STOP
}
Explore类
package com.tank;
import java.awt.Image;
import java.awt.Graphics;
import java.awt.Toolkit;
public class Explode {
int x,y;
private boolean live = true;
private TankClient tc;
private static Toolkit tk = Toolkit.getDefaultToolkit();
private static Image[] imgs = {
//反射 .class实际就是一个Class对象 把资源文件放到classpath的常用方法
tk.getImage(Explode.class.getClassLoader().getResource("images/0.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/1.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/2.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/3.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/4.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/5.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/6.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/7.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/8.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/9.gif")),
tk.getImage(Explode.class.getClassLoader().getResource("images/10.gif"))
};
int step = 0;
private static boolean init = false;
public Explode(int x, int y, TankClient tc) {
this.x = x;
this.y = y;
this.tc = tc;
}
public void draw(Graphics g) {
if(!init) {
for(int i = 0; i < imgs.length; i++) {
g.drawImage(imgs[i], -100, -100, null);
}
init = true;
}
if(!live) {
tc.explodes.remove(this);
return;
}
if(step == imgs.length) {
live = false;
step = 0;
return;
}
g.drawImage(imgs[step], x, y, null);
step ++;
}
}
Missile类
package com.tank;
import java.awt.*;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class Missile {
public static final int XSPEED = 10;
public static final int YSPEED = 10;
public static final int WIDTH = 10;
public static final int HEIGHT = 10;
int x,y;
Direction dir;
private boolean good;
private boolean live = true;
private TankClient tc;
private static Toolkit tk = Toolkit.getDefaultToolkit();
private static Image[] missileImgs = null;
private static Map<String, Image> imgs = new HashMap<String, Image>();
//静态代码区 作用是保证class在第一次被load到内存时执行
static {
missileImgs = new Image[] {
//反射 .class实际就是一个Class对象 把资源文件放到classpath的常用方法
tk.getImage(Missile.class.getClassLoader().getResource("images/missileL.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileLU.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileU.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileRU.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileR.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileRD.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileD.gif")),
tk.getImage(Missile.class.getClassLoader().getResource("images/missileLD.gif")),
};
imgs.put("L", missileImgs[0]);
imgs.put("LU", missileImgs[1]);
imgs.put("U", missileImgs[2]);
imgs.put("RU", missileImgs[3]);
imgs.put("R", missileImgs[4]);
imgs.put("RD", missileImgs[5]);
imgs.put("D", missileImgs[6]);
imgs.put("LD", missileImgs[7]);
}
public boolean isLive() {
return live;
}
public Missile(int x, int y, Direction dir) {
this.x = x;
this.y = y;
this.dir = dir;
}
public Missile(int x, int y, Direction dir, boolean good, TankClient tc) {
this(x, y, dir);
this.good = good;
this.tc = tc;
}
public void draw(Graphics g) {
if(!live) {
tc.missiles.remove(this);
return;
}
switch(dir) {
case L:
g.drawImage(imgs.get("L"), x, y, null);
break;
case LU:
g.drawImage(imgs.get("LU"), x, y, null);
break;
case U:
g.drawImage(imgs.get("U"), x, y, null);
break;
case RU:
g.drawImage(imgs.get("RU"), x, y, null);
break;
case R:
g.drawImage(imgs.get("R"), x, y, null);
break;
case RD:
g.drawImage(imgs.get("RD"), x, y, null);
break;
case D:
g.drawImage(imgs.get("D"), x, y, null);
break;
case LD:
g.drawImage(imgs.get("LD"), x, y, null);
break;
}
move();
}
private void move() {
switch(dir) {
case L:
x -= XSPEED;
break;
case LU:
x -= XSPEED;
y -= YSPEED;
break;
case U:
y -= YSPEED;
break;
case RU:
x += XSPEED;
y -= YSPEED;
break;
case R:
x += XSPEED;
break;
case RD:
x += XSPEED;
y += YSPEED;
break;
case D:
y += YSPEED;
break;
case LD:
x -= XSPEED;
y += YSPEED;
break;
}
if(x < 0 || y < 0 || x > TankClient.GAME_WIDTH || y > TankClient.GAME_HEIGHT) {
live = false;
tc.missiles.remove(this);
}
}
public Rectangle getRect() {
return new Rectangle(x, y, WIDTH, HEIGHT);
}
//碰撞检测辅助类Rectangle
public boolean hitTank(Tank t) {
if(this.live && this.getRect().intersects(t.getRect()) && t.isLive() && this.good != t.isGood()) {
if(t.isGood()) {
t.setLife(t.getLife()-20);
if(t.getLife() <= 0) t.setLive(false);
} else {
t.setLive(false);
}
this.live = false;
Explode e = new Explode(x, y, tc);
tc.explodes.add(e);
return true;
}
return false;
}
public boolean hitTanks(List<Tank> tanks) {
for(int i=0; i<tanks.size(); i++) {
if(hitTank(tanks.get(i))) {
return true;
}
}
return false;
}
public boolean hitWall(Wall w) {
if(this.live && this.getRect().intersects(w.getRect())) {
this.live = false;
return true;
}
return false;
}
}PropertyMgr类
package com.tank;
import java.io.FileReader;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.Properties;
public class PropertyMgr {
static Properties props = new Properties();
//单例设计模式
static {
try {
//props.load(PropertyMgr.class.getClass().getClassLoader().getResourceAsStream("config/tank.properties"));
String tankPath = PropertyMgr.class.getClassLoader().getResource("config/tank.properties").getPath();
tankPath = URLDecoder.decode(tankPath, "utf-8");
props.load(new FileReader(tankPath));
} catch (IOException e1) {
e1.printStackTrace();
}
}
private PropertyMgr() {};
public static String getProperty(String key) {
return props.getProperty(key);
}
}
Tank类
package com.tank;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.*;
import java.util.*;
public class Tank {
public static final int XSPEED = 5;
public static final int YSPEED = 5;
private boolean live = true;
private BloodBar bb = new BloodBar();
private int life = 100;
public int getLife() {
return life;
}
public void setLife(int life) {
this.life = life;
}
public boolean isLive() {
return live;
}
public void setLive(boolean live) {
this.live = live;
}
TankClient tc;
private boolean good;
public boolean isGood() {
return good;
}
private int x,y;
private int oldX, oldY;
private static Random r = new Random();
private boolean bL=false, bU=false, bR=false, bD=false;
private Direction dir = Direction.STOP;
private Direction ptDir = Direction.D; //炮筒方向
private int step = r.nextInt(12) + 3;
private static Toolkit tk = Toolkit.getDefaultToolkit();
private static Image[] tankImgs = null;
private static Map<String, Image> imgs = new HashMap<String, Image>();
//静态代码区 作用是保证class在第一次被load到内存时执行
static {
tankImgs = new Image[] {
//反射 .class实际就是一个Class对象 把资源文件放到classpath的常用方法
tk.getImage(Tank.class.getClassLoader().getResource("images/tankL.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankLU.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankU.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankRU.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankR.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankRD.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankD.gif")),
tk.getImage(Tank.class.getClassLoader().getResource("images/tankLD.gif")),
};
imgs.put("L", tankImgs[0]);
imgs.put("LU", tankImgs[1]);
imgs.put("U", tankImgs[2]);
imgs.put("RU", tankImgs[3]);
imgs.put("R", tankImgs[4]);
imgs.put("RD", tankImgs[5]);
imgs.put("D", tankImgs[6]);
imgs.put("LD", tankImgs[7]);
}
public static final int WIDTH = 30;
public static final int HEIGHT = 30;
public Tank(int x, int y, boolean good) {
this.x = x;
this.y = y;
this.oldX = x;
this.oldY = y;
this.good = good;
}
public Tank(int x, int y, boolean good, Direction dir, TankClient tc) {
this(x,y,good);
this.dir = dir;
this.tc = tc;
}
public void draw(Graphics g) {
if(!live) {
if(!good) {
tc.tanks.remove(this);
}
return;
}
if(good) bb.draw(g);
switch(ptDir) {
case L:
g.drawImage(imgs.get("L"), x, y, null);
break;
case LU:
g.drawImage(imgs.get("LU"), x, y, null);
break;
case U:
g.drawImage(imgs.get("U"), x, y, null);
break;
case RU:
g.drawImage(imgs.get("RU"), x, y, null);
break;
case R:
g.drawImage(imgs.get("R"), x, y, null);
break;
case RD:
g.drawImage(imgs.get("RD"), x, y, null);
break;
case D:
g.drawImage(imgs.get("D"), x, y, null);
break;
case LD:
g.drawImage(imgs.get("LD"), x, y, null);
break;
}
move();
}
void move() {
this.oldX = x;
this.oldY = y;
switch(dir) {
case L:
x -= XSPEED;
break;
case LU:
x -= XSPEED;
y -= YSPEED;
break;
case U:
y -= YSPEED;
break;
case RU:
x += XSPEED;
y -= YSPEED;
break;
case R:
x += XSPEED;
break;
case RD:
x += XSPEED;
y += YSPEED;
break;
case D:
y += YSPEED;
break;
case LD:
x -= XSPEED;
y += YSPEED;
break;
case STOP:
break;
}
if(this.dir != Direction.STOP) {
this.ptDir = this.dir;
}
if(x < 0) x = 0;
if(y < 25) y = 25;
if(x + Tank.WIDTH > TankClient.GAME_WIDTH) x = TankClient.GAME_WIDTH - Tank.WIDTH;
if(y + Tank.HEIGHT > TankClient.GAME_HEIGHT) y = TankClient.GAME_HEIGHT - Tank.HEIGHT;
if(!good) {
Direction[] dirs = Direction.values();
if(step == 0) {
step = r.nextInt(12) + 3;
int rn = r.nextInt(dirs.length); //产生从0到length的随机数
dir = dirs[rn];
}
step --;
if(r.nextInt(40) > 35) this.fire();
}
}
private void stay() {
x = oldX;
y = oldY;
}
public void KeyPressed(KeyEvent e) {
int key = e.getKeyCode();
switch(key) {
case KeyEvent.VK_F2:
if(!this.live) { //死去的敌方坦克在上面draw方法中已被删除
this.live = true;
this.life = 100;
}
break;
case KeyEvent.VK_LEFT:
bL = true;
break;
case KeyEvent.VK_UP:
bU = true;
break;
case KeyEvent.VK_RIGHT:
bR = true;
break;
case KeyEvent.VK_DOWN:
bD = true;
break;
}
locateDirection();
}
void locateDirection() {
if(bL && !bU && !bR && !bD) dir = Direction.L;
else if(bL && bU && !bR && !bD) dir = Direction.LU;
else if(!bL && bU && !bR && !bD) dir = Direction.U;
else if(!bL && bU && bR && !bD) dir = Direction.RU;
else if(!bL && !bU && bR && !bD) dir = Direction.R;
else if(!bL && !bU && bR && bD) dir = Direction.RD;
else if(!bL && !bU && !bR && bD) dir = Direction.D;
else if(bL && !bU && !bR && bD) dir = Direction.LD;
else if(!bL && !bU && !bR && !bD) dir = Direction.STOP;
}
public void keyReleased(KeyEvent e) {
int key = e.getKeyCode();
switch(key) {
case KeyEvent.VK_CONTROL:
fire();
break;
case KeyEvent.VK_LEFT:
bL = false;
break;
case KeyEvent.VK_UP:
bU = false;
break;
case KeyEvent.VK_RIGHT:
bR = false;
break;
case KeyEvent.VK_DOWN:
bD = false;
break;
case KeyEvent.VK_A:
superFire();
break;
}
locateDirection();
}
public Missile fire() {
if(!live) return null;
int x = this.x + Tank.WIDTH/2 -Missile.WIDTH/2;
int y = this.y + Tank.HEIGHT/2 -Missile.HEIGHT/2;
Missile m = new Missile(x, y, ptDir, good, this.tc);
tc.missiles.add(m);
return m;
}
public Missile fire(Direction dir) {
if(!live) return null;
int x = this.x + Tank.WIDTH/2 -Missile.WIDTH/2;
int y = this.y + Tank.HEIGHT/2 -Missile.HEIGHT/2;
Missile m = new Missile(x, y, dir, good, this.tc);
tc.missiles.add(m);
return m;
}
public Rectangle getRect() {
return new Rectangle(x, y, WIDTH, HEIGHT);
}
/**
*
* @param w 被撞的墙
* @return 撞上了返回true，否则false
*/
public boolean collidesWithWall(Wall w) {
if(this.live && this.getRect().intersects(w.getRect())) {
this.stay();
return true;
}
return false;
}
public boolean collidesWithTanks(java.util.List<Tank> tanks) {
for(int i=0; i<tanks.size(); i++) {
Tank t = tanks.get(i);
if(this != t) {
if(this.live && t.isLive() && this.getRect().intersects(t.getRect())) {
this.stay();
t.stay();
return true;
}
}
}
return false;
}
private void superFire() {
Direction[] dirs = Direction.values();
for(int i=0; i<8; i++) {
fire(dirs[i]);
}
}
private class BloodBar {
public void draw(Graphics g) {
Color c = g.getColor();
g.setColor(Color.RED);
g.drawRect(x, y-10, WIDTH, 10);
int w = WIDTH * life/100 ;
g.fillRect(x, y-10, w, 10);
g.setColor(c);
}
}
public boolean eat(Blood b) {
if(this.live && b.isLife() && this.getRect().intersects(b.getRect())) {
this.life = 100;
b.setLife(false);
return true;
}
return false;
}
}
TankClient类
package com.tank;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
/**
* 这个类的作用是坦克游戏的主窗口
* @author zhangxilin
*
*/
public class TankClient extends Frame {
/**
* 整个坦克游戏的宽度
*/
public static final int GAME_WIDTH = 800;
public static final int GAME_HEIGHT = 600;
Tank myTank = new Tank(300, 250, true, Direction.STOP, this);
Wall w1 = new Wall(100, 200, 20, 150 ,this), w2 = new Wall(300, 100, 300, 20, this);
List<Explode> explodes = new ArrayList<Explode>();
List<Missile> missiles = new ArrayList<Missile>();
List<Tank> tanks = new ArrayList<Tank>();
Image offScreenImage = null;
Blood b = new Blood();
public void paint(Graphics g) {
/*
* 指明子弹-爆炸-坦克的数量
* 以及坦克的生命值
*/
g.drawString("missiles count:" + missiles.size(), 10, 50);
g.drawString("explodes count:" + explodes.size(), 10, 70);
g.drawString("tanks count:" + tanks.size(), 10, 90);
g.drawString("tanks life:" + myTank.getLife(), 10, 110);
if(tanks.size() <= 0) {
for(int i=0; i<Integer.parseInt(PropertyMgr.getProperty("reProduceTankCount")); i++) {
tanks.add(new Tank(50 + 40*(i+1), 50, false, Direction.D, this));
}
}
for(int i=0; i<missiles.size(); i++) {
Missile m = missiles.get(i);
m.hitTanks(tanks);
m.hitTank(myTank);
m.hitWall(w1);
m.hitWall(w2);
m.draw(g);
//if(!m.isLive()) missiles.remove(m);
//else m.draw(g);
}
for(int i = 0; i<explodes.size(); i++) {
Explode e = explodes.get(i);
e.draw(g);
}
for(int i= 0;i<tanks.size(); i++) {
Tank t = tanks.get(i);
t.collidesWithWall(w1);
t.collidesWithWall(w2);
t.collidesWithTanks(tanks);
t.draw(g);
}
myTank.draw(g);
myTank.eat(b);
w1.draw(g);
w2.draw(g);
b.draw(g);
}
public void update(Graphics g) {
if(offScreenImage == null) {
offScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT); //创建图片
}
//获得该图片的画笔
Graphics gOffScreen = offScreenImage.getGraphics();
Color c = gOffScreen.getColor();
gOffScreen.setColor(Color.GREEN);
gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
gOffScreen.setColor(c);
paint(gOffScreen);
g.drawImage(offScreenImage, 0, 0, null);
}
/**
* 本方法显示坦克主窗口
*
*/
public void lauchFrame() {
int initTankCount = Integer.parseInt(PropertyMgr.getProperty("initTankCount"));
System.out.println(initTankCount);
for(int i=0; i<initTankCount; i++) {
tanks.add(new Tank(50 + 40*(i+1), 50, false, Direction.D, this));
}
this.setLocation(400, 100);
this.setSize(GAME_WIDTH, GAME_HEIGHT);
this.setTitle("TankWar");
//使用匿名类可以关闭窗口
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
this.setResizable(false);
//设置背景颜色
this.setBackground(Color.GREEN);
this.addKeyListener(new KeyMonitor());
setVisible(true);
new Thread(new PaintThread()).start();
}
public static void main(String[] args) {
TankClient tc = new TankClient();
tc.lauchFrame();
}
private class PaintThread implements Runnable {
public void run() {
while(true) {
repaint(); //调用的外部类即TankWar的paint()方法， repaint()首先调用update()方法，再调用paint()方法
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
private class KeyMonitor extends KeyAdapter {
public void keyReleased(KeyEvent e) {
myTank.keyReleased(e);
}
public void keyPressed(KeyEvent e) {
myTank.KeyPressed(e);
}
}
}Wall类
package com.tank;
import java.awt.*;
public class Wall {
int x, y, w, h;
TankClient tc;
public Wall(int x, int y, int w, int h, TankClient tc) {
super();
this.x = x;
this.y = y;
this.w = w;
this.h = h;
this.tc = tc;
}
public void draw(Graphics g) {
g.fillRect(x, y, w, h);
}
public Rectangle getRect() {
return new Rectangle(x, y, w, h);
}
}
2.实机演示（爆笑流演示：唐克大战）
实机演示（爆笑流演示：唐克大战）