java学习日记----------------------------------单机版坦克大战<马士兵>

大概一个多月前做的，虽然视频有点老，但很经典，对我来说是新东西。很认真的学了！

1、坦克类

import java.awt.*;
import java.awt.event.*;
import java.util.*;

public class Tank {
    public static final int XSPEED = 5;
    public static final int YSPEED = 5;
    
    public static final int WIDTH = 30;
    public static final int HEIGHT = 30;
    
    private boolean live = true;
    
    TankClient tc;
    
    private boolean good=false;
    
    private int x, y;
    private int oldX,oldY;
    
    private boolean bL=false, bU=false, bR=false, bD = false;
    enum Direction {L, LU, U, RU, R, RD, D, LD, STOP};
    
    private Direction dir = Direction.STOP;
    private Direction ptDir = Direction.D;

    public static Random r=new Random();
    
    private int step=r.nextInt(12)+3;
    
    private int life=100;
    
    public bloodBar bb=new bloodBar();
    
    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, TankClient tc) {
        this(x, y, good);
        this.tc = tc;
    }
    
    public void draw(Graphics g) {
        if(!live) {
            if(!good){
                tc.tanks.remove(this);
            }
            return;
        }
        if(good)bb.draw(g);
        Color c = g.getColor();
        if(good) g.setColor(Color.RED);
        else g.setColor(Color.BLUE);
        g.fillOval(x, y, WIDTH, HEIGHT);
        g.setColor(Color.white);
        
        switch(ptDir) {
        case L:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y + Tank.HEIGHT/2);
            break;
        case LU:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y);
            break;
        case U:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH/2, y);
            break;
        case RU:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y);
            break;
        case R:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y + Tank.HEIGHT/2);
            break;
        case RD:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH, y + Tank.HEIGHT);
            break;
        case D:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x + Tank.WIDTH/2, y + Tank.HEIGHT);
            break;
        case LD:
            g.drawLine(x + Tank.WIDTH/2, y + Tank.HEIGHT/2, x, y + Tank.HEIGHT);
            break;
        }
        g.setColor(c);
        
        move();
    }
    
    public void stay(){
        
        x=oldX;
        y=oldY;
        
    }
    
    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 < 30) y = 30;
        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);
        dir=dirs[rn];
        }
        step--;
        if(r.nextInt(40)>38)
        this.fire();
    }
    }
    public void keyPressed(KeyEvent e) {
        int key = e.getKeyCode();
        switch(key) {
        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,good, ptDir, 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,good, dir, this.tc);
        tc.missiles.add(m);
        return m;
    }
    
    public void superFire(){
        Direction []dirs=Direction.values();
        for(int i=0;i<8;i++){
            fire(dirs[i]);
        }
    }
    
    public boolean hitWall(Wall w){
        if(this.live&&this.getRect().intersects(w.getRect())){
            this.stay();
            return true;
        }
        return false;
    }
    
    public boolean CollidesTanks(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;
    }
    
    public Rectangle getRect() {
        return new Rectangle(x, y, WIDTH, HEIGHT);
    }

    public boolean isLive() {
        return live;
    }

    public void setLive(boolean live) {
        this.live = live;
    }

    public boolean isGood() {
        return good;
    }

    public int getLife() {
        return life;
    }

    public void setLife(int life) {
        this.life = life;
    }
    
    public boolean eatBlood(Blood b){
        if(this.live&&b.isLive()&&this.getRect().intersects(b.getRect())){
            this.setLife(100);
            b.setLive(false);
            return true;
        }
        return false;
    }
    

    
    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);
        }
        
    }
}

2、子弹类

import java.awt.*;
import java.util.List;

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;
    Tank.Direction dir;
    
    private boolean live = true;
    private boolean good;
    
    private TankClient tc;
    
    public Missile(int x, int y, Tank.Direction dir) {
        this.x = x;
        this.y = y;
        this.dir = dir;
    }
    
    public Missile(int x, int y,boolean good, Tank.Direction dir, TankClient tc) {
        this(x, y, dir);
        this.good=good;
        this.tc = tc;
    }
    
    public void draw(Graphics g) {
        if(!live) {
            tc.missiles.remove(this);
            return;
        }
    
        Color c = g.getColor();
        if(good){
        g.setColor(Color.RED);
        }
        else{
            g.setColor(Color.BLUE);
        }
        g.fillOval(x, y, WIDTH, HEIGHT);
        g.setColor(c);
        
        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;
        case STOP:
            break;
        }
        
        if(x < 0 || y < 0 || x > TankClient.GAME_WIDTH || y > TankClient.GAME_HEIGHT) {
            live = false;
        }
        
        
    }

    public boolean isLive() {
        return live;
    }
    
    public Rectangle getRect() {
        return new Rectangle(x, y, WIDTH, HEIGHT);
    }
    
    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;
    }
}

3、爆炸类

import java.awt.*;

public class Explode {
    int x, y;
    private boolean live = true;
    
    private TankClient tc ;
    
    int[] diameter = {4, 7, 12, 18, 26, 32, 49, 30, 14, 6};
    int step = 0;
    
    public Explode(int x, int y, TankClient tc) {
        this.x = x;
        this.y = y;
        this.tc = tc;
    }
    
    public void draw(Graphics g) {
        if(!live) {
            tc.explodes.remove(this);
            return;
        }
        
        if(step == diameter.length) {
            live = false;
            step = 0;
            return;
        }
        
        Color c = g.getColor();
        g.setColor(Color.ORANGE);
        g.fillOval(x, y, diameter[step], diameter[step]);
        g.setColor(c);
        
        step ++;
    }
}

4、血量类

import java.awt.*;


public class Blood {
 
    private int x,y,w,h;
    TankClient tc;
    int step=0;
    
    private boolean live=true;
    
    private int pos[][]={
            {300,250},{310,350},{330,100},{380,380},{300,100}
    };
    
    public Blood(){
        x=pos[0][0];
        y=pos[0][1];
        w=h=15;
    }
    
    public void draw(Graphics g){
        
        if(!live)return;
        
        Color c=g.getColor();
        g.setColor(Color.MAGENTA);
        g.fillRect(x, y, w, h);
        g.setColor(c);
        
        move();
    }
    
    public void move(){
        step++;
        if(step>pos[0].length)step=0;
        
        x=pos[step][0];
        y=pos[step][1];
    }
    
    public Rectangle getRect(){
        return new Rectangle(x,y,w,h);
    }

    public boolean isLive() {
        return live;
    }

    public void setLive(boolean live) {
        this.live = live;
    }
    
}

5、墙类

import java.awt.*;

public class Wall { private int x,y,w,h; TankClient tc;

  public Wall(int x, int y, int w, int h,TankClient tc) {   this.x = x;   this.y = y;   this.w = w;   this.h = h;   this.tc=tc;  }

public void deaw(Graphics g){  Color c=g.getColor();  g.setColor(Color.green);  g.fillRect(x, y, w, h);  g.setColor(c); }

  public Rectangle getRect(){    return new Rectangle(x,y,w,h);   }   }

6、客户端

import java.awt.*;
import java.awt.event.*;
import java.util.List;
import java.util.ArrayList;

public class TankClient extends Frame {
    public static final int GAME_WIDTH = 800;
    public static final int GAME_HEIGHT = 600;
    
    Tank myTank = new Tank(50, 50, true, this);
    //Tank enemyTank = new Tank(100, 100, false, this);
    Wall w1=new Wall(100,400,400,20,this),w2=new Wall(300,400,20,200,this);
    
    Blood b=new Blood();
    
    List<Explode> explodes = new ArrayList<Explode>();
    List<Missile> missiles = new ArrayList<Missile>();
    List<Tank>tanks=new ArrayList<Tank>();
    
    Image offScreenImage = null;
    
    public void paint(Graphics g) {
        g.drawString("missiles count:" + missiles.size(), 10, 50);
        g.drawString("explodes count:" + explodes.size(), 10, 70);
        g.drawString("tnaks count:" + tanks.size(), 10, 90);
        g.drawString("myTank lief:"+myTank.getLife(), 10, 110);
            
        for(int i=0; i<missiles.size(); i++) {
            Missile m = missiles.get(i);
            //m.hitTank(enemyTank);
            m.hitTank(myTank);
            m.hitTanks(tanks);
            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.hitWall(w1);
            t.hitWall(w2);
            t.CollidesTanks(tanks);
            t.draw(g);
        }
        w1.deaw(g);
        w2.deaw(g);
        b.draw(g);
        
        myTank.draw(g);
        myTank.eatBlood(b);
        
    }
    
    public void update(Graphics g) {
        if(offScreenImage == null) {
            offScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT);
        }
        Graphics gOffScreen = offScreenImage.getGraphics();
        Color c = gOffScreen.getColor();
        gOffScreen.setColor(Color.black);
        gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
        gOffScreen.setColor(c);
        paint(gOffScreen);
        g.drawImage(offScreenImage, 0, 0, null);
    }

    public void lauchFrame() {
        
        for(int i=0;i<10;i++){
            tanks.add(new Tank(50+40*(i+1),50,false,this));
        }
        
        //this.setLocation(400, 300);
        this.setSize(GAME_WIDTH, GAME_HEIGHT);
        this.setTitle("TankWar");
        this.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        this.setResizable(false);
        this.setBackground(Color.black);
        
        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();
                try {
                    Thread.sleep(50);
                } 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);
        }
        
    }
}

运行截图