[Java Code Sample] Create Cookie Clicker Game

 

Here's a sample code to create Cookie Clicker game.

Here's a screenshot:

The UI is pretty basic but it works like normal cookie clicker. 

You can get cookies by clicking the cookie image and purchase items by spending cookies that you made.

Video tutorial:

Code:

import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.Timer;

public class CookieMain {
	
	JLabel counterLabel, perSecLabel;
	JButton button1, button2, button3, button4;
	int cookieCounter, timerSpeed, cursorNumber, cursorPrice, grandpaNumber, grandpaPrice;
	double perSecond;
	boolean timerOn, grandpaUnlocked;
	Font font1, font2;
	CookieHandler cHandler = new CookieHandler();
	Timer timer;
	JTextArea messageText;
	MouseHandler mHandler = new MouseHandler();

	public static void main(String[] args) {
		
		new CookieMain();

	}
	public CookieMain(){
		
		timerOn = false;
		perSecond = 0;
		cookieCounter = 0;
		cursorNumber = 0;
		cursorPrice = 10;
		grandpaNumber = 0;
		grandpaPrice = 100;
		grandpaUnlocked = false;
		
		createFont();
		createUI();
	}
	public void createFont(){
		
		font1 = new Font("Comic Sans MS", Font.PLAIN, 32);
		font2 = new Font("Comic Sans MS", Font.PLAIN, 15);
		
	}
	public void createUI(){
		
		JFrame window = new JFrame();
		window.setSize(800, 600);
		window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		window.getContentPane().setBackground(Color.black);
		window.setLayout(null);
		
		JPanel cookiePanel = new JPanel();
		cookiePanel.setBounds(100, 220, 200, 200);
		cookiePanel.setBackground(Color.black);
		window.add(cookiePanel);
		
		ImageIcon cookie = new ImageIcon(getClass().getClassLoader().getResource("cookie200x200.png"));
		
		JButton cookieButton = new JButton();
		cookieButton.setBackground(Color.black);
		cookieButton.setFocusPainted(false);
		cookieButton.setBorder(null);
		cookieButton.setIcon(cookie);
		cookieButton.addActionListener(cHandler);
		cookieButton.setActionCommand("cookie");
//		cookieButton.setContentAreaFilled(false);
		cookiePanel.add(cookieButton);
		
		JPanel counterPanel = new JPanel();
		counterPanel.setBounds(100, 100, 200, 100);
		counterPanel.setBackground(Color.black);
		counterPanel.setLayout(new GridLayout(2,1));
		window.add(counterPanel);
		
		counterLabel = new JLabel(cookieCounter + " cookies");
		counterLabel.setForeground(Color.white);
		counterLabel.setFont(font1);
		counterPanel.add(counterLabel);
		
		perSecLabel = new JLabel();
		perSecLabel.setForeground(Color.white);
		perSecLabel.setFont(font2);
		counterPanel.add(perSecLabel);
		
		JPanel itemPanel = new JPanel();
		itemPanel.setBounds(500, 170, 250, 250);
		itemPanel.setBackground(Color.black);
		itemPanel.setLayout(new GridLayout(4,1));
		window.add(itemPanel);
		
		button1 = new JButton("Cursor");
		button1.setFont(font1);
		button1.setFocusPainted(false);
		button1.addActionListener(cHandler);
		button1.setActionCommand("Cursor");
		button1.addMouseListener(mHandler);
		itemPanel.add(button1);
		button2 = new JButton("?");
		button2.setFont(font1);
		button2.setFocusPainted(false);
		button2.addActionListener(cHandler);
		button2.setActionCommand("Grandpa");
		button2.addMouseListener(mHandler);
		itemPanel.add(button2);
		button3 = new JButton("?");
		button3.setFont(font1);
		button3.setFocusPainted(false);
		button3.addActionListener(cHandler);
		button3.setActionCommand("");
		button3.addMouseListener(mHandler);
		itemPanel.add(button3);
		button4 = new JButton("?");
		button4.setFont(font1);
		button4.setFocusPainted(false);
		button4.addActionListener(cHandler);
		button4.setActionCommand("");
		button4.addMouseListener(mHandler);
		itemPanel.add(button4);
		
		JPanel messagePanel = new JPanel();
		messagePanel.setBounds(500, 70, 250, 150);
		messagePanel.setBackground(Color.black);
		window.add(messagePanel);
		
		messageText = new JTextArea();
		messageText.setBounds(500, 70, 250, 150);
		messageText.setForeground(Color.white);
		messageText.setBackground(Color.black);
		messageText.setFont(font2);
		messageText.setLineWrap(true);
		messageText.setWrapStyleWord(true);
		messageText.setEditable(false);
		messagePanel.add(messageText);
		
		window.setVisible(true);
	}
	public void setTimer(){
		
		timer = new Timer(timerSpeed, new ActionListener(){
			
			@Override
			public void actionPerformed(ActionEvent e){
				
				cookieCounter++;
				counterLabel.setText(cookieCounter + " cookies");
				
				if(grandpaUnlocked==false){
					if(cookieCounter>=100){
						grandpaUnlocked=true;
						button2.setText("Grandpa " + "(" + grandpaNumber + ")");
					}
				}
			}
		});
	}
	public void timerUpdate(){
		
		if(timerOn==false){
			timerOn=true;
		}
		else if(timerOn==true){
			timer.stop();
		}
		
		double speed = 1/perSecond*1000;
		timerSpeed = (int)Math.round(speed);
		
		String s = String.format("%.1f", perSecond);
		perSecLabel.setText("per second: " + s);
		
		setTimer();
		timer.start();
	}
	
	
	public class CookieHandler implements ActionListener{
		
		public void actionPerformed(ActionEvent event){
			
			String action = event.getActionCommand();
			
			switch(action){
			case "cookie":
				cookieCounter++;
				counterLabel.setText(cookieCounter + " cookies");
				break;
			case "Cursor":
				if(cookieCounter>=cursorPrice){
					cookieCounter = cookieCounter - cursorPrice;
					cursorPrice = cursorPrice + 5;
					counterLabel.setText(cookieCounter + " cookies");
					
					cursorNumber++;
					button1.setText("Cursor " + "(" + cursorNumber + ")");
					messageText.setText("Cursor\n[price: " + cursorPrice + "]\nAutoclicks once every 10 seconds.");
					perSecond = perSecond + 0.1;
					timerUpdate();
				}
				else{
					messageText.setText("You need more cookies!");
				}
				break;
			case "Grandpa":
				if(cookieCounter>=grandpaPrice){
					cookieCounter = cookieCounter - grandpaPrice;
					grandpaPrice = grandpaPrice + 50;
					counterLabel.setText(cookieCounter + " cookies");
					
					grandpaNumber++;
					button2.setText("Grandpa " + "(" + grandpaNumber + ")");
					messageText.setText("Grandpa\n[price: " + grandpaPrice + "]\nEach grandpa produces 1 cookie per second.");
					perSecond = perSecond + 1;
					timerUpdate();
				}
				else{
					messageText.setText("You need more cookies!");
				}
				break;
				
			}
			
		}
	}
	
	public class MouseHandler implements MouseListener{
		
		@Override
		public void mouseClicked(MouseEvent e){
			
		}
		@Override
		public void mousePressed(MouseEvent e){
			
		}
		@Override
		public void mouseReleased(MouseEvent e){
			
		}
		@Override
		public void mouseEntered(MouseEvent e){
			
			JButton button = (JButton)e.getSource();
			
			if(button == button1){
				messageText.setText("Cursor\n[price: " + cursorPrice + "]\nAutoclicks once every 10 seconds.");
			}
			else if(button == button2){
				if(grandpaUnlocked==false){
					messageText.setText("This item is currently locked!");
				}
				else{
					messageText.setText("Grandpa\n[price: " + grandpaPrice + "]\nEach grandpa produces 1 cookie per second.");
				}
				
			}
			else if(button == button3){
				messageText.setText("This item is currently locked!");
			}
			else if(button == button4){
				messageText.setText("This item is currently locked!");
			}
		}
		@Override
		public void mouseExited(MouseEvent e){
			
			JButton button = (JButton)e.getSource();
			
			if(button == button1){
				messageText.setText(null);
			}
			else if(button == button2){
				messageText.setText(null);
			}
			else if(button == button3){
				messageText.setText(null);
			}
			else if(button == button4){
				messageText.setText(null);
			}
		}
	}	
}

end