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Realize that you can continue to play
2022-06-11 18:37:00 【C_ x_ three hundred and thirty】
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Implementation record
To realize recording , Here we use IO Flow related knowledge
Define record class
package com.Cx_330.TankGame4;
import java.io.*;
import java.util.Vector;
public class Recorder {
private static int totalTankNums; // Record the number of enemy tanks hit
private static BufferedWriter bw;// Character output stream
private static BufferedReader br;// Character input stream
private static String recordFile="src\\myRecord.txt";// Define the address to store
private static Vector<EnemyTank> enemyTanks=new Vector<>();// Record the position of the remaining tanks at the end / Direction
// If you want to keep going , You need to design a Vector Container to receive Node object
private static Vector<Node> nodes=new Vector<>();
public static String getRecordFile() {
return recordFile;
}
// To continue the game , from E Take out the position and direction information of the tank at the end of the last time
public static Vector<Node> getTankInfo(){
try {
br=new BufferedReader(new FileReader(recordFile));
String begin=br.readLine();
String[] split = begin.split(":");
totalTankNums=Integer.parseInt(split[1]);
String line="";
while ((line=br.readLine())!=null){
String[] s = line.split(" ");
int x=Integer.parseInt(s[0]);
int y=Integer.parseInt(s[1]);
int direct=Integer.parseInt(s[2]);
Node node = new Node(x, y, direct);
nodes.add(node);
}
} catch (IOException e) {
throw new RuntimeException(e);
}finally {
try {
br.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return nodes;
}
// When you quit the game , Store the remaining tank coordinates E Under the root directory
public static void keepRecord(){
try {
bw=new BufferedWriter(new FileWriter(recordFile));
bw.write(" The number of enemy tanks you destroyed is :"+totalTankNums);
bw.newLine();
for (int i = 0; i < enemyTanks.size(); i++) {
EnemyTank enemyTank = enemyTanks.get(i);
if(enemyTank.leap){
String s=enemyTank.getX()+" "+enemyTank.getY()+" "+enemyTank.getDirect();
bw.write(s+"\r\n");
}
}
} catch (IOException e) {
throw new RuntimeException(e);
}finally {
if(bw!=null){
try {
bw.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
}
// Whenever you hit an enemy tank ,totalTankNums Add 1
public static void countTankNums(){
totalTankNums++;
}
public static int getTotalTankNums() {
return totalTankNums;
}
public void setTotalTankNums(int totalTankNums) {
totalTankNums = totalTankNums;
}
public static void setEnemyTanks(Vector<EnemyTank> enemyTanks) {
Recorder.enemyTanks = enemyTanks;
}
}
Definition NODE class
package com.Cx_330.TankGame4;
public class Node {
private int x;
private int y;
private int direct;
public Node(int x, int y, int direct) {
this.x = x;
this.y = y;
this.direct = direct;
}
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 getDirect() {
return direct;
}
public void setDirect(int direct) {
this.direct = direct;
}
}
The final solution of Sketchpad optimization
package com.Cx_330.TankGame4;
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.File;
import java.util.Vector;
public class Mypanel extends JPanel implements KeyListener,Runnable {
// Define a to receive the input stream Vector Containers
Vector<Node>nodes=new Vector<>();
// Define my tank
Hero hero=null;
// Define enemy tanks
Vector<EnemyTank> enemyTanks=new Vector<>();
// Initialize the number of enemy tanks
int enemySize=5;
// Define bomb set When the submunition hits the tank, store the bomb
Vector<Boom> booms=new Vector<>();
// Define the picture of the explosion
Image image1=null;
Image image2=null;
Image image3=null;
public Mypanel(String choice){
File file = new File(Recorder.getRecordFile());
if(file.exists()){
// receive Vector<Node> Containers
nodes = Recorder.getTankInfo();
}else {
System.out.println(" The file does not exist , The game will restart ");
choice="1";
}
// At the very beginning, put EnemyTanks Assemble to Recorder Class to record
Recorder.setEnemyTanks(enemyTanks);
hero = new Hero(800,300);// Initialize your own tank
hero.setSpeed(10);// set speed
// Do judgment 1 Reopen still 0 continue
switch (choice){
case "1":
// Initialize enemy tanks And put the bullet And start the thread
for (int i = 0; i < enemySize; i++) {
// Define a tank
EnemyTank enemyTank=new EnemyTank(100*(i+1),0);
// Set tank direction
enemyTank.setDirect(2);
// Set enemy tank speed
enemyTank.setSpeed(1);
// Define a bullet
Shot shot = new Shot(enemyTank.getX()+20,enemyTank.getY()+60,2);
// Start the tank thread
new Thread(enemyTank).start();
// Add bullets to the enemy tank collection
enemyTank.shots.add(shot);
// Start bullet thread
new Thread(shot).start();
// Add tanks to enemy tanks collection
enemyTanks.add(enemyTank);
}
break;
case "0":
// Initialize enemy tanks And put the bullet And start the thread
for (int i = 0; i < nodes.size(); i++) {
Node node = nodes.get(i);
// Define a tank
EnemyTank enemyTank=new EnemyTank(node.getX(),node.getY());
// Set tank direction
enemyTank.setDirect(node.getDirect());
// Set enemy tank speed
enemyTank.setSpeed(1);
// Define a bullet
Shot shot = new Shot(enemyTank.getX()+20,enemyTank.getY()+60,2);
// Start the tank thread
new Thread(enemyTank).start();
// Add bullets to the enemy tank collection
enemyTank.shots.add(shot);
// Start bullet thread
new Thread(shot).start();
// Add tanks to enemy tanks collection
enemyTanks.add(enemyTank);
}
break;
default:
System.out.println(" Wrong choice ");
System.exit(0);
break;
}
// Initialize picture
image1=Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("/b1.jpg"));
image2=Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("/b3.jpg"));
image3=Toolkit.getDefaultToolkit().getImage(Panel.class.getResource("/b3.jpg"));
// Specify the path to play music
new AePlayWave("src\\x.wav").start();
}
// Draw a simple interface
public void showInfo(Graphics g){
g.setColor(Color.red);
Font font = new Font(" Song style ", Font.BOLD, 35);
g.setFont(font);
g.drawString(" The number of enemy tanks you have accumulated ",1024,50);
this.drawTank(1024,90,g,0,1);
// Reset color Because the color of the brush changed when painting the tank
g.setColor(Color.black);
g.drawString(Recorder.getTotalTankNums()+"",1200,130);
}
@Override
public void paint(Graphics g) {
super.paint(g);
// Draw the size of the game interface
g.fillRect(0,0,1000,750);
// Draw interface information
showInfo(g);
// Draw your own tank
if(hero.leap){
drawTank(hero.getX(),hero.getY(),g,hero.getDirect(),0);
}
// Draw the explosive effect
for (int i = 0; i < booms.size(); i++) {
Boom boom=booms.get(i);
if(boom.life>6){
g.drawImage(image2,boom.x,boom.y,80,80,this);
}
else if (boom.life>3){
g.drawImage(image1,boom.x,boom.y,80,80,this);
}
else {
g.drawImage(image3,boom.x,boom.y,80,80,this);
}
// Reduce bomb health With dynamic explosion effect
boom.lifeTime();
// If a bomb has a health value of 0 from booms Delete
if(boom.life<=0){
booms.remove(boom);
}
}
// Draw enemy tanks
for (int i = 0; i < enemyTanks.size(); i++) {
EnemyTank enemyTank = enemyTanks.get(i);
enemyTank.setEnemyTanks(enemyTanks);
if(enemyTank.leap){
// Draw enemy tanks
drawTank(enemyTank.getX(),enemyTank.getY(),g,enemyTank.getDirect(),1);
// Draw enemy bullets
for (int j = 0; j < enemyTank.shots.size(); j++) {
// Take the bullet first
Shot shot=enemyTank.shots.get(j);
// Draw a bullet First judge whether the coordinates are out of bounds If the boundary is crossed, the shots Remove from the set Otherwise draw
if(!shot.isLive){
enemyTank.shots.remove(j);
} else{
g.setColor(Color.green);
g.draw3DRect(shot.x,shot.y,3,3,false);
}
}
}
}
// Draw your own bullets
for (int i = 0; i < hero.shots.size(); i++) {
Shot shot = hero.shots.get(i);
if(shot!=null&&shot.isLive==true){
g.setColor(Color.cyan);
g.draw3DRect(shot.x,shot.y,3,3,false);
}else {
hero.shots.remove(shot);
}
}
}
/** * * @param x The upper left corner of the tank x coordinate * @param y The upper left corner of the tank y coordinate * @param g paint brush * @param direct Direction * @param type Tank type ( own / The enemy ) */
public void drawTank(int x,int y,Graphics g,int direct,int type){
//0 My tank 1 Enemy tanks
switch (type){
case 0:
g.setColor(Color.cyan);
break;
case 1:
g.setColor(Color.green);
break;
}
// Direction (w 0 On 1d 2 Right s 3 Next a Left )
switch (direct){
case 0://
g.fill3DRect(x,y,10,60,false);// Left wheel
g.fill3DRect(x+30,y,10,60,false);// Right wheel
g.fill3DRect(x+10,y+10,20,40,false);// Body frame
g.fillOval(x+10,y+20,20,20);// The lid
g.drawLine(x+20,y,x+20,y+20);// Barrel
break;
case 1://
g.fill3DRect(x,y,60,10,false);// Left wheel
g.fill3DRect(x,y+30,60,10,false);// Right wheel
g.fill3DRect(x+10,y+10,40,20,false);// Body frame
g.fillOval(x+20,y+10,20,20);// The lid
g.drawLine(x+60,y+20,x+20,y+20);// Barrel
break;
case 2://
g.fill3DRect(x,y,10,60,false);// Left wheel
g.fill3DRect(x+30,y,10,60,false);// Right wheel
g.fill3DRect(x+10,y+10,20,40,false);// Body frame
g.fillOval(x+10,y+20,20,20);// The lid
g.drawLine(x+20,y+20,x+20,y+60);// Barrel
break;
case 3://
g.fill3DRect(x,y,60,10,false);// Left wheel
g.fill3DRect(x,y+30,60,10,false);// Right wheel
g.fill3DRect(x+10,y+10,40,20,false);// Body frame
g.fillOval(x+20,y+10,20,20);// The lid
g.drawLine(x,y+20,x+20,y+20);// Barrel
break;
}
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_W){
if(hero.getY()>0){
hero.moveUp();
}
hero.setDirect(0);
} else if (e.getKeyCode()==KeyEvent.VK_D) {
if(hero.getX()+60<1000){
hero.moveRight();
}
hero.setDirect(1);
}
else if (e.getKeyCode()==KeyEvent.VK_S) {
if (hero.getY()+60<750){
hero.moveDown();
}
hero.setDirect(2);
}else if (e.getKeyCode()==KeyEvent.VK_A) {
if (hero.getX()>0){
hero.moveLeft();
}
hero.setDirect(3);
}
if (e.getKeyCode()==KeyEvent.VK_J){
hero.shotEnemyTank();
}
this.repaint();
}
@Override
public void keyReleased(KeyEvent e) {
}
public void EnemyHitMyTank(Shot shot,Hero hero){
switch (hero.getDirect()){
case 0:
case 2:
if(shot.x>hero.getX()&&shot.x<hero.getX()+40
&&shot.y>hero.getY()&&shot.y<hero.getY()+60){
shot.isLive=false;
Boom boom=new Boom(hero.getX(),hero.getY());
if(hero.leap){
booms.add(boom);
hero.leap=false;
}
}
break;
case 1:
case 3:
if(shot.x>hero.getX()&&shot.x<hero.getX()+60
&&shot.y>hero.getY()&&shot.y<hero.getY()+40){
shot.isLive=false;
Boom boom=new Boom(hero.getX(),hero.getY());
if(hero.leap){
booms.add(boom);
hero.leap=false;
}
}
break;
}
}
// Determine whether the bullet hit the tank
public void hitEnemyTank(Shot shot, EnemyTank enemyTank){
switch (enemyTank.getDirect()){
case 0:
case 2:
if(shot.x>enemyTank.getX()&&shot.x<enemyTank.getX()+40
&&shot.y>enemyTank.getY()&&shot.y<enemyTank.getY()+60){
shot.isLive=false;
enemyTank.leap=false;
enemyTanks.remove(enemyTank);
hero.shots.remove(shot);
Recorder.countTankNums();
Boom boom=new Boom(enemyTank.getX(),enemyTank.getY());
booms.add(boom);
}
break;
case 1:
case 3:
if(shot.x>enemyTank.getX()&&shot.x<enemyTank.getX()+60
&&shot.y>enemyTank.getY()&&shot.y<enemyTank.getY()+40){
shot.isLive=false;
enemyTank.leap=false;
enemyTanks.remove(enemyTank);
hero.shots.remove(shot);
Recorder.countTankNums();
Boom boom=new Boom(enemyTank.getX(),enemyTank.getY());
booms.add(boom);
}
break;
}
}
@Override
public void run() {
while (true){
try {
Thread.sleep(100);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
// Judge whether your own bullet collection hits enemy tanks
for (int i = 0; i < hero.shots.size(); i++) {
Shot shot = hero.shots.get(i);
if(shot!=null && shot.isLive){
for (int j = 0; j < enemyTanks.size(); j++) {
EnemyTank enemyTank=enemyTanks.get(j);
hitEnemyTank(shot,enemyTank);
}
}
}
// Judge whether the enemy's bullet collection hits your own tank
for (int i = 0; i < enemyTanks.size(); i++) {
EnemyTank enemyTank = enemyTanks.get(i);
for (int j = 0; j < enemyTank.shots.size(); j++) {
Shot shot = enemyTank.shots.get(j);
if(shot!=null && shot.isLive){
EnemyHitMyTank(shot,hero);
}
}
}
this.repaint();
}
}
}
The final optimization of the framework
package com.Cx_330.TankGame4;
import sun.awt.WindowClosingListener;
import javax.swing.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Scanner;
public class TankGame03 extends JFrame {
private Mypanel mp=null;
public static void main(String[] args) {
TankGame03 tankGame01 = new TankGame03();
}
Scanner scanner=new Scanner(System.in);
public TankGame03() {
System.out.println(" Please make your choice 1-- Reopen 0-- Keep going ");
String choice=scanner.next();
// Start the sketchpad thread
mp=new Mypanel(choice);
Thread thread = new Thread(mp);
thread.start();
// Add a Sketchpad to the frame
this.add(mp);
// Add keyboard listening events to the framework
this.addKeyListener(mp);
// Initialize the size of the frame
this.setSize(1500,810);
// Set to automatically end when closing JVM virtual machine
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Visualize the graphics drawn on the drawing board
this.setVisible(true);
// Add processing for closing windows
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
Recorder.keepRecord();
System.exit(0);
}
});
}
}
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