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This is java programing. I am making a car game and need to add a countdown time

ID: 3838707 • Letter: T

Question

This is java programing. I am making a car game and need to add a countdown timer. I am struggling on how to do this.

The requirments are for it

Should have a countdown clock that starts at 30 and counts down to 0 and then says game over on the gui.

Here is my code so far.

Driver.java

import javax.swing.JFrame;

public class Driver {

   public static void main(String[] args) {
       JFrame myFrame = new JFrame("Problem 2");
      
       myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      
       // do something with a panel here...
       MainPanel myPanel = new MainPanel();
      
       myFrame.getContentPane().add(myPanel);
      
       myFrame.pack();
      
       myFrame.setVisible(true);

   }

}

GameObject.java

import javax.swing.ImageIcon;

public abstract class GameObject {

   protected int x;
   protected int y;
   protected String imagePath;
   protected final int HEIGHT;
   protected final int WIDTH;
   public GameObject(int x, int y, String imagePath, int HEIGHT, int WIDTH)
   {
       this.x = x;
       this.y = y;
       this.imagePath = imagePath;
       this.HEIGHT = HEIGHT;
       this.WIDTH = WIDTH;
   }
  
   public abstract ImageIcon getImageIcon();
   //{
       //ImageIcon myIcon = new ImageIcon(imagePath);
       //return myIcon;
       //return new ImageIcon(imagePath);
   //}
  
   public int getX() {
       return x;
   }

   public int getY() {
       return y;
   }
  
   public int getHEIGHT() {
       return HEIGHT;
   }

   public int getWIDTH() {
       return WIDTH;
   }
  
}

MainPanel.java


import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.JPanel;

public class MainPanel extends JPanel {

   Player myPlayer;
   Player myOtherPlayer;
   private int WIDTH = 1000;
   private int HEIGHT = 1000;
   private int WALLWIDTH = 100;
   private int WALLHEIGHT = 100;
   private ArrayList walls = new ArrayList();
   private int MAXITEMS = 5;
  
  
   public MainPanel()
   {
       setPreferredSize(new Dimension(WIDTH,HEIGHT));
       myPlayer = new Player(100,100, "toad.png", KeyEvent.VK_UP, KeyEvent.VK_DOWN, KeyEvent.VK_LEFT, KeyEvent.VK_RIGHT,this, 50, 38);
       myOtherPlayer = new Player(200,200, "toad.png", KeyEvent.VK_W, KeyEvent.VK_S, KeyEvent.VK_A, KeyEvent.VK_D,this, 50, 38);

       createWalls();
   }
  
   public ArrayList getWalls() {
       return walls;
   }

   public void createWalls()
   {
       int j = 0;
       for(int i = 0; i < HEIGHT/WALLHEIGHT; i++)
       {
           for(int k = 0; k < WIDTH/WALLWIDTH; k++)
           {
               if(i == 0 || i == (HEIGHT/WALLHEIGHT-1))
               {
                   walls.add(new Wall(k*WALLWIDTH,j,"road.png", 100, 100));
               }
  
           }
           j+=WALLHEIGHT;
       }
   }
  

  
  
   public void paintComponent(Graphics page)
   {
       super.paintComponent(page);
      
       page.drawImage(myPlayer.getImageIcon().getImage(), myPlayer.getX(), myPlayer.getY(), null);
       page.drawImage(myOtherPlayer.getImageIcon().getImage(), myOtherPlayer.getX(), myOtherPlayer.getY(), null);
      
       for(int i = 0; i < walls.size(); i++)
       {
           page.drawImage(walls.get(i).getImageIcon().getImage(), walls.get(i).getX(), walls.get(i).getY(), null);
       }
      
  
       page.setFont(new Font("Arial", Font.PLAIN,32));
       page.drawString("Player 1 Score: " + myPlayer.getScore(), 100, 800);
       page.drawString("Player 2 Score: " + myOtherPlayer.getScore(), 100, 850);
      
//       //if(items.size() == 0)
//       {
//           page.drawString("GAME OVER", WIDTH/2-100, HEIGHT/2);
//              
//       }
   }
}

Movement.java


public class Movement {

  

   private int distanceLeft = 10;
   private int distanceRight = 10;
  
   public int getDistanceLeft() {
       return distanceLeft;
   }
   public int getDistanceRight() {
       return distanceRight;
   }
  
  
}

Player.java

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;

import javax.swing.ImageIcon;

public class Player extends GameObject implements KeyListener{

   //private int x;
   //private int y;
   //private ImageIcon myImage;
   private int Up;
   private int Down;
   private int Left;
   private int Right;
   //private String imagePath;
   private MainPanel myPanel;
   private Movement myMovement = new Movement();
   //private int HEIGHT = 38;
   //private int WIDTH = 50;
   private int score = 0;
  
   public Player(int x, int y, String imagePath, int Up, int Down, int Left, int Right, MainPanel myPanel, int HEIGHT, int WIDTH)
   {
       super(x,y,imagePath, HEIGHT, WIDTH);
       //this.x = x;
       //this.y = y;
       //this.imagePath = imagePath;
       //myImage = new ImageIcon(imagePath);
       this.Up = Up;
       this.Down = Down;
       this.Left = Left;
       this.Right = Right;
       this.myPanel = myPanel;
       myPanel.addKeyListener(this);
       myPanel.setFocusable(true);
  
   }

   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 ImageIcon getMyImage() {
   //   return myImage;
   //}

   public int getScore()
   {
       return score;
   }

   @Override
   public void keyPressed(KeyEvent arg0) {
       // TODO Auto-generated method stub
       int key = arg0.getKeyCode();
      
       if(key == Left)
       {
           x-=myMovement.getDistanceLeft();
           if(checkWalls())
           {
               x+=10;
           }
       }
       else if(key == Right)
       {
           x+=myMovement.getDistanceRight();
           if(checkWalls())
           {
               x-=10;
           }
       }
      
      
       myPanel.repaint();
      
   }

   public boolean checkWalls()
   {
       ArrayList walls = myPanel.getWalls();
      
       for(int i = 0 ; i < walls.size(); i++)
       {
           if(areRectsColliding(x,x+HEIGHT,y,y+WIDTH,walls.get(i).getX(), walls.get(i).getX()+ walls.get(i).getHEIGHT(),
                   walls.get(i).getY(),walls.get(i).getY()+walls.get(i).getWIDTH()))
                   {
                       return true;
                   }
       }
       return false;
      
   }

   @Override
   public void keyReleased(KeyEvent arg0) {
       // TODO Auto-generated method stub
      
   }

   @Override
   public void keyTyped(KeyEvent arg0) {
       // TODO Auto-generated method stub
      
   }
  
   private boolean areRectsColliding(int r1TopLeftX, int r1BottomRightX,
           int r1TopLeftY, int r1BottomRightY, int r2TopLeftX,
           int r2BottomRightX, int r2TopLeftY, int r2BottomRightY) {

       if (r1TopLeftX < r2BottomRightX && r1BottomRightX > r2TopLeftX
               && r1TopLeftY < r2BottomRightY && r1BottomRightY > r2TopLeftY) {
           return true;
       } else {
           return false;
       }
   }

   @Override
   public ImageIcon getImageIcon() {
       // TODO Auto-generated method stub
       return new ImageIcon(imagePath);
   }
}

Wall.java

import javax.swing.ImageIcon;

public class Wall extends GameObject{

   //private int x;
   //private int y;
   //private String imagePath;
   //private ImageIcon myImage;
   //private int HEIGHT = 100;
   //private int WIDTH = 100;
  
   public Wall(int x, int y, String imagePath, int HEIGHT, int WIDTH)
   {
       super(x,y,imagePath, HEIGHT, WIDTH);
      
       //this.x = x;
       //this.y = y;
       //this.imagePath = imagePath;
       //myImage = new ImageIcon(imagePath);
   }

   @Override
   public ImageIcon getImageIcon() {
       // TODO Auto-generated method stub
       return new ImageIcon(imagePath);
   }

   /*public int getX() {
       return x;
   }

   public int getY() {
       return y;
   }*/

   //public ImageIcon getImageIcon()
   //{
   //   return myImage;
   //}
/*
   public int getHEIGHT() {
       return HEIGHT;
   }

   public int getWIDTH() {
       return

road.png

toad.png

Explanation / Answer

My modification are in MainPanel.java only

============================================================================
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.JComponent;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.Timer;
public class MainPanel extends JPanel {
Player myPlayer;
String myPlayerName;
Player myOtherPlayer;
String myOtherPlayerName;
private int WIDTH = 1000;
private int HEIGHT = 1000;
private int WALLWIDTH = 100;
private int WALLHEIGHT = 100;
private ArrayList walls = new ArrayList();
private int MAXITEMS = 5;
private Timer timer;
int time=30;
  
public MainPanel()
{
   timer = new Timer(1000, new ActionListener() {
   public void actionPerformed(ActionEvent actionEvent) {
       if(time>0){
           time--;
           repaint();
       }
       else{
           JOptionPane.showMessageDialog(null, "Game is Over");
           System.exit(0);
       }
   }
   }   );
   myPlayerName = JOptionPane.showInputDialog("Enter player1 Name");
   myOtherPlayerName= JOptionPane.showInputDialog("Enter player2 Name");
   timer.start();
setPreferredSize(new Dimension(WIDTH,HEIGHT));
myPlayer = new Player(100,100, "toad.png", KeyEvent.VK_UP, KeyEvent.VK_DOWN, KeyEvent.VK_LEFT, KeyEvent.VK_RIGHT,this, 50, 38);
myOtherPlayer = new Player(200,200, "toad.png", KeyEvent.VK_W, KeyEvent.VK_S, KeyEvent.VK_A, KeyEvent.VK_D,this, 50, 38);
createWalls();
}
  
public ArrayList getWalls() {
return walls;
}
public void createWalls()
{
int j = 0;
for(int i = 0; i < HEIGHT/WALLHEIGHT; i++)
{
for(int k = 0; k < WIDTH/WALLWIDTH; k++)
{
if(i == 0 || i == (HEIGHT/WALLHEIGHT-1))
{
walls.add(new Wall(k*WALLWIDTH,j,"road.png", 100, 100));
}
  
}
j+=WALLHEIGHT;
}
}
  
  
  
public void paintComponent(Graphics page)
{
super.paintComponent(page);
  
page.drawImage(myPlayer.getImageIcon().getImage(), myPlayer.getX(), myPlayer.getY(), null);
page.drawImage(myOtherPlayer.getImageIcon().getImage(), myOtherPlayer.getX(), myOtherPlayer.getY(), null);
  
for(int i = 0; i < walls.size(); i++)
{
page.drawImage(((GameObject) walls.get(i)).getImageIcon().getImage(), ((GameObject) walls.get(i)).getX(), ((GameObject) walls.get(i)).getY(), null);
}
  
  
page.setFont(new Font("Arial", Font.PLAIN,32));
page.drawString("Player "+myPlayerName+" Score: " + myPlayer.getScore(), 100, 800);
page.drawString("Player "+myOtherPlayerName+" Score: " + myOtherPlayer.getScore(), 100, 850);
page.drawString("Count Down : " + time , 700, 800);
  
// //if(items.size() == 0)
// {
// page.drawString("GAME OVER", WIDTH/2-100, HEIGHT/2);
//
// }
}
}

===============================================================================


import javax.swing.JFrame;
public class Driver {
public static void main(String[] args) {
JFrame myFrame = new JFrame("Problem 2");
  
myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  
// do something with a panel here...
MainPanel myPanel = new MainPanel();
  
myFrame.getContentPane().add(myPanel);
  
myFrame.pack();
  
myFrame.setVisible(true);
}
}

======================================================================


import javax.swing.ImageIcon;
public abstract class GameObject {
protected int x;
protected int y;
protected String imagePath;
protected final int HEIGHT;
protected final int WIDTH;
public GameObject(int x, int y, String imagePath, int HEIGHT, int WIDTH)
{
this.x = x;
this.y = y;
this.imagePath = imagePath;
this.HEIGHT = HEIGHT;
this.WIDTH = WIDTH;
}
  
public abstract ImageIcon getImageIcon();
//{
//ImageIcon myIcon = new ImageIcon(imagePath);
//return myIcon;
//return new ImageIcon(imagePath);
//}
  
public int getX() {
return x;
}
public int getY() {
return y;
}
  
public int getHEIGHT() {
return HEIGHT;
}
public int getWIDTH() {
return WIDTH;
}
  
}

============================================================


public class Movement {
  
   private int distanceLeft = 10;
   private int distanceRight = 10;
  
   public int getDistanceLeft() {
   return distanceLeft;
   }
   public int getDistanceRight() {
   return distanceRight;
   }
   }

===================================================================


import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import javax.swing.ImageIcon;
public class Player extends GameObject implements KeyListener{
//private int x;
//private int y;
//private ImageIcon myImage;
private int Up;
private int Down;
private int Left;
private int Right;
//private String imagePath;
private MainPanel myPanel;
private Movement myMovement = new Movement();
//private int HEIGHT = 38;
//private int WIDTH = 50;
private int score = 0;
  
public Player(int x, int y, String imagePath, int Up, int Down, int Left, int Right, MainPanel myPanel, int HEIGHT, int WIDTH)
{
super(x,y,imagePath, HEIGHT, WIDTH);
//this.x = x;
//this.y = y;
//this.imagePath = imagePath;
//myImage = new ImageIcon(imagePath);
this.Up = Up;
this.Down = Down;
this.Left = Left;
this.Right = Right;
this.myPanel = myPanel;
myPanel.addKeyListener(this);
myPanel.setFocusable(true);
  
}
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 ImageIcon getMyImage() {
// return myImage;
//}
public int getScore()
{
return score;
}
@Override
public void keyPressed(KeyEvent arg0) {
// TODO Auto-generated method stub
int key = arg0.getKeyCode();
  
if(key == Left)
{
x-=myMovement.getDistanceLeft();
if(checkWalls())
{
x+=10;
}
}
else if(key == Right)
{
x+=myMovement.getDistanceRight();
if(checkWalls())
{
x-=10;
}
}
  
  
myPanel.repaint();
  
}
public boolean checkWalls()
{
ArrayList walls = myPanel.getWalls();
  
for(int i = 0 ; i < walls.size(); i++)
{
if(areRectsColliding(x,x+HEIGHT,y,y+WIDTH,((GameObject) walls.get(i)).getX(), ((GameObject) walls.get(i)).getX()+ ((GameObject) walls.get(i)).getHEIGHT(),
((GameObject) walls.get(i)).getY(),((GameObject) walls.get(i)).getY()+((GameObject) walls.get(i)).getWIDTH()))
{
return true;
}
}
return false;
  
}
@Override
public void keyReleased(KeyEvent arg0) {
// TODO Auto-generated method stub
  
}
@Override
public void keyTyped(KeyEvent arg0) {
// TODO Auto-generated method stub
  
}
  
private boolean areRectsColliding(int r1TopLeftX, int r1BottomRightX,
int r1TopLeftY, int r1BottomRightY, int r2TopLeftX,
int r2BottomRightX, int r2TopLeftY, int r2BottomRightY) {
if (r1TopLeftX < r2BottomRightX && r1BottomRightX > r2TopLeftX
&& r1TopLeftY < r2BottomRightY && r1BottomRightY > r2TopLeftY) {
return true;
} else {
return false;
}
}
@Override
public ImageIcon getImageIcon() {
// TODO Auto-generated method stub
return new ImageIcon(imagePath);
}
}

=====================================================

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