if (e.getKeyCode() ==e.VK_SPACE) {
if(renew){
greenBallThread=new BallThread(this);
bouncing = true;
greenBallThread.start();
label.setVisible(false);
}
renew=false;
}
if(e.getKeyCode()==e.VK_LEFT){
Rx=Rx-20;
if(bouncing){
if(Rx<0){
Rx=0;
}
}
else{
if(Rx<0){
Rx=0;
}
else{
x=x-20;
ball.ball_x=x;
}
}
repaint();
}
if(e.getKeyCode()==e.VK_RIGHT){
Rx=Rx+20;
if(bouncing){
if(Rx+80>300){
Rx=220;
}
}
else{
if(Rx+80>300){
Rx=220;
}
else{
x=x+20;
ball.ball_x=x;
}
}
repaint();
}
}
brick[0]=new Brick(0,60,50,20); brick[1]=new Brick(50,60,50,20); brick[2]=new Brick(100,60,50,20); …… brick[16]=new Brick(200,160,50,20); brick[17]=new Brick(250,160,50,20); ball=new Ball(150,450,10,10);
public void paint(Graphics g){
super.paint(g);
ball.rect.setLocation(x,y);
if(bouncing){
for(int i=0;i<=17;i++){
if(brick[i].visible==true){
switch(i){
case 0 :g.setColor(Color.blue);
break;
case 1 :g.setColor(Color.cyan);
break;
case 2 :g.setColor(Color.gray);
break;
……
case 17 :g.setColor(Color.yellow);
break;
}
g.fill3DRect(brick[i].brick_x,brick[i].brick_y,brick[i].brick_width,brick[i].brick_height,true);
}
}
g.setColor(Color.red);
g.fillOval(x, y, 10, 10);
g.setColor(Color.blue);
g.fillRect(Rx,Ry,80,20);
try{
Thread.currentThread().sleep(25);
}
catch(InterruptedException exception){
System.err.println(exception.toString());
}
for(int i=0;i<=17;i++){
if(ball.rect.intersects(brick[i].rect)&&brick[i].visible){
brick[i].visible=false;
yUp=!yUp;/
}
}
if(x+5>Rx&&x+5<Rx+80&&y+10>=Ry){
yUp=false;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
}
if(xUp==true){
x+=xDx;
}
else{
x-=xDx;
}
if(yUp==true){
y+=yDy;
}
else{
y-=yDy;
}
if(y<=0){
y=0;
ball.ball_y=y;
yUp=true;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
}
else if(y>=MAX_Y-15){
yDy=(int)(Math.random()*5+2);
//yUp=false;
break;
}
if(x<=0){
x=0;
ball.ball_x=x;
xUp=true;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
}
else if(x>=MAX_X-10){
x=MAX_X-10;
ball.ball_x=x;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
xUp=false;
}
int i;
for(i=0;i<=17&&brick[i].visible==false;i++){
}
if(i==18){
break;
}
renew=true; //初始化
bouncing=false;
for(int i=0;i<=17;i++){
brick[i].visible=true;
}
xUp=true;
yUp=false;
xDx=1;
yDy=1;
x=150;
y=450;
Rx=120;
Ry=460; //
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
public class HitBrick extends JFrame implements KeyListener{
private BallThread greenBallThread;
//控制小球的线程
private Boolean xUp,yUp,bouncing;
private int x,y,xDx,yDy;
//小球坐标,增量
private final int MAX_X=300,MAX_Y=500;
private Boolean renew;
private JLabel label;
private int Rx,Ry;
//横板坐标
private Brick brick[]=new Brick[18];
//砖块
private Ball ball;
//小球
public HitBrick(){
super("打砖块");
Container pane=getContentPane();
//设置空白面板容器
label=new JLabel("按空格键开始");
//标签
label.setHorizontalAlignment(JLabel.CENTER);
//水平
label.setVerticalAlignment(JLabel.BOTTOM);
//垂直
pane.add(label);
//向面板里添加标签
xUp=true;
//横坐标可以移动
yUp=false;
//纵坐标不可以移动
xDx=1;
yDy=1;
x=150;
//小球坐标
y=450;
Rx=120;
//横板坐标
Ry=460;
renew=true;
bouncing=false;
addKeyListener(this);
//键盘监听器
brick[0]=new Brick(0,60,50,20);
//砖块坐标
brick[1]=new Brick(50,60,50,20);
brick[2]=new Brick(100,60,50,20);
brick[3]=new Brick(150,60,50,20);
brick[4]=new Brick(200,60,50,20);
brick[5]=new Brick(250,60,50,20);
brick[6]=new Brick(0,90,50,20);
brick[7]=new Brick(50,110,50,20);
brick[8]=new Brick(100,130,50,20);
brick[9]=new Brick(150,130,50,20);
brick[10]=new Brick(200,110,50,20);
brick[11]=new Brick(250,90,50,20);
brick[12]=new Brick(0,160,50,20);
brick[13]=new Brick(50,160,50,20);
brick[14]=new Brick(100,160,50,20);
brick[15]=new Brick(150,160,50,20);
brick[16]=new Brick(200,160,50,20);
brick[17]=new Brick(250,160,50,20);
ball=new Ball(150,450,10,10);
//球的坐标
setSize(MAX_X,MAX_Y);
//窗口大小
setResizable(false);
setVisible( true );
//可视化
}
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() ==e.VK_SPACE) {
if(renew){
greenBallThread=new BallThread(this);
bouncing = true;
greenBallThread.start();
label.setVisible(false);
}
renew=false;
}
if(e.getKeyCode()==e.VK_LEFT){
Rx=Rx-20;
if(bouncing){
if(Rx<0){
Rx=0;
}
} else{
if(Rx<0){
Rx=0;
} else{
x=x-20;
ball.ball_x=x;
}
}
repaint();
}
if(e.getKeyCode()==e.VK_RIGHT){
Rx=Rx+20;
if(bouncing){
if(Rx+80>300){
Rx=220;
}
} else{
if(Rx+80>300){
Rx=220;
} else{
x=x+20;
ball.ball_x=x;
}
}
repaint();
}
}
public void keyReleased (KeyEvent e) {
}
public void keyTyped (KeyEvent e){
}
public void paint(Graphics g){
super.paint(g);
ball.rect.setLocation(x,y);
if(bouncing){
for (int i=0;i<=17;i++){
if(brick[i].visible==true){
switch(i){
case 0 :g.setColor(Color.blue);
break;
case 1 :g.setColor(Color.cyan);
break;
case 2 :g.setColor(Color.gray);
break;
case 3 :g.setColor(Color.green);
break;
case 4 :g.setColor(Color.magenta);
break;
case 5 :g.setColor(Color.yellow);
break;
case 6 :g.setColor(Color.white);
break;
case 7 :g.setColor(Color.black);
break;
case 8 :g.setColor(Color.orange);
break;
case 9 :g.setColor(Color.pink);
break;
case 10 :g.setColor(Color.darkGray);
break;
case 11 :g.setColor(Color.red);
break;
case 12 :g.setColor(Color.blue);
break;
case 13 :g.setColor(Color.cyan);
break;
case 14 :g.setColor(Color.gray);
break;
case 15 :g.setColor(Color.green);
break;
case 16 :g.setColor(Color.magenta);
break;
case 17 :g.setColor(Color.yellow);
break;
}
g.fill3DRect(brick[i].brick_x,brick[i].brick_y,brick[i].brick_width,brick[i].brick_height,true);
}
}
g.setColor(Color.red);
g.fillOval(x, y, 10, 10);
g.setColor(Color.blue);
g.fillRect(Rx,Ry,80,20);
} else{
for (int i=0;i<=17;i++){
switch(i){
case 0 :g.setColor(Color.blue);
break;
case 1 :g.setColor(Color.cyan);
break;
case 2 :g.setColor(Color.gray);
break;
case 3 :g.setColor(Color.green);
break;
case 4 :g.setColor(Color.magenta);
break;
case 5 :g.setColor(Color.yellow);
break;
case 6 :g.setColor(Color.white);
break;
case 7 :g.setColor(Color.black);
break;
case 8 :g.setColor(Color.orange);
break;
case 9 :g.setColor(Color.pink);
break;
case 10 :g.setColor(Color.darkGray);
break;
case 11 :g.setColor(Color.red);
break;
case 12 :g.setColor(Color.blue);
break;
case 13 :g.setColor(Color.cyan);
break;
case 14 :g.setColor(Color.gray);
break;
case 15 :g.setColor(Color.green);
break;
case 16 :g.setColor(Color.magenta);
break;
case 17 :g.setColor(Color.yellow);
break;
}
g.fill3DRect(brick[i].brick_x,brick[i].brick_y,brick[i].brick_width,brick[i].brick_height,true);
}
g.setColor(Color.red);
g.fillOval(x, y, 10, 10);
g.setColor(Color.blue);
g.fillRect(Rx, Ry, 80, 20);
}
}
public void move(){
while(true){
try{
Thread.currentThread().sleep(25);
}
catch(InterruptedException exception){
System.err.println(exception.toString());
}
for (int i=0;i<=17;i++){
if(ball.rect.intersects(brick[i].rect)&&brick[i].visible){
brick[i].visible=false;
yUp=!yUp;
//打到球不可见
}
}
if(x+5>Rx&&x+5<Rx+80&&y+10>=Ry){
yUp=false;
xDx=(int)(Math.random()*5+2);
//小球坐标增量
yDy=(int)(Math.random()*5+2);
}
if(xUp==true){
x+=xDx;
//小球左右移动坐标改变
} else{
x-=xDx;
}
if(yUp==true){
y+=yDy;
} else{
y-=yDy;
}
if(y<=0){
y=0;
ball.ball_y=y;
yUp=true;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
} else if(y>=MAX_Y-15){
yDy=(int)(Math.random()*5+2);
//yUp=false;
break;
}
if(x<=0){
x=0;
ball.ball_x=x;
xUp=true;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
} else if(x>=MAX_X-10){
x=MAX_X-10;
ball.ball_x=x;
xDx=(int)(Math.random()*5+2);
yDy=(int)(Math.random()*5+2);
xUp=false;
}
ball.rect.setLocation(ball.ball_x,ball.ball_y);
repaint();
int i;
//如果所有砖块都不可见
for (i=0;i<=17&&brick[i].visible==false;i++){
//则重新玩
}
if(i==18){
break;
}
//
}
renew=true;
//初始化
bouncing=false;
for (int i=0;i<=17;i++){
brick[i].visible=true;
}
xUp=true;
yUp=false;
xDx=1;
yDy=1;
x=150;
y=450;
Rx=120;
Ry=460;
//
repaint();
repaint();
label.setVisible(true);
}
public static void main(String[] args) {
HitBrick mar=new HitBrick();
}
}
class BallThread extends Thread{
private HitBrick m;
BallThread(HitBrick a){
//super();
m=a;
}
public void run(){
m.move();
m.repaint();
}
}
class Brick{
Rectangle rect=null;
//长方形对象,砖块按钮的位置和宽高
int brick_x,brick_y;
//按扭的左上角坐标
int brick_width,brick_height;
//按扭的宽和高
Boolean visible;
public Brick(int x,int y,int w,int h)
{
brick_x=x;
brick_y=y;
brick_width=w;
brick_height=h;
visible=true;
rect=new Rectangle(x,y,w,h);
//创建长方形对象---砖块按钮的位置和宽高。
}
}
class Ball{
Rectangle rect=null;
int ball_x,ball_y;
int ball_width,ball_height;
public Ball(int x,int y,int w,int h){
ball_x=x;
ball_y=y;
ball_width=w;
ball_height=h;
rect=new Rectangle(x,y,w,h);
}
}
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