The graphical interface is based on JavaF. If You have this codes , just paste the comment that you have it and I will paste my email address. The canonical reference for building a production grade API with Spring. In Java Programming Challenge: A Simple Tic-Tac-Toe Game you were challenged to write a console-based program that plays the simple game of Tic-Tac-Toe. In this post I will be showing you how to program a simple Tic Tac Toe console game in Java. java class, a new instance of the GameBoard. GitHub Gist: instantly share code, notes, and snippets. Tic Tac Toe is a multiplayer game in which can be made triple grid with X or O letters. Start over again with a blank sheet. cant even do the basics here. It is a small example of what java can do. java(draws 'x' and 'o') and TicTacToeGame. After each turn the opponent will make a move nd then you can move again. Minimax Algorithm Tic Tac Toe AI In Java [Minimax][Full tree Search][Artificial Intelligence][Java] The minimax tree has leaf values like -1 0 or 1. Is there anyone there can teach me how to implement tic tac toe game step by step because i want to what happen on each of function is being created instead of just copy and paste people code to the matlab. tic-tac-toe. org Java-Gaming. Let’s get started with our coding. The source is compatible NetBeans. Programming (C#, C++, JAVA, VB,. In this tutorial, we will be looking at how to code a working game of Tic-Tac-Toe in Java. The AI logic comes from a tictactoe library I made earlier, which was just a chance to learn/demonstrate some Path Finding algorithms from the Algorithms in a. Get 54 tic tac toe plugins, code & scripts on CodeCanyon. com: tu web de programación. Tic-Tac-Toe is a favorite game that works on using wit and strategy to help beat your opponent. Large Collection of JavaScript source code. Tic-tac-toe (also known as noughts and crosses or Xs and Os) is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. Simple Tic Tac Toe Game is a Games and Graphics source code in C programming language. You were probably used to play Tic-Tac-Toe game during your childhood. I have written a small HTML 5 game. The free eBook, Visual Basic. Computer This example of a Tic-Tac-Toe logic game shows the board and allows the player to go first. Even now it is the best way to pass time between boring lectures :p. Great script to have to entertain yourself and your visitors. Hello, I recently got this assignment on making a tic-tac-toe game using 2D arrays, and I am currently not sure on how to code this. I’ll be focusing entirely on the game representation code and the AI code. tic tac toe game in c++. We prepared simple version for everyone!. We used Polymorphism for the AI class. download tic tac toe game in javascript with source code for free: click the button below Download Project Got stuck or need help customizing the Tic Tac Toe game as per your need, go to our JavaScript tutorial or just comment down below and we will do our best to answer your question ASAP. Sample code of simple Tic Tac Toe game using java Android Studio. But I want to make it simpler, and alot more organized, then the loop mess that I made. We have posted the two version of Tic Tac Toe game , one is simple graphics you can find the code here Simple Gui Tic tac toe game in version 2 , we have improved the look and feel of the game. Java - simple tic-tac-toe. Code see a bunch of students and beginners, attempting to do there final programming projects, come on the boards asking for help with coding problems. Interestingly, the opponent that i’ve created is pretty good, can’t be beaten easily (i think there is only way or such). Read the source code carefully to understand the working of this program. You really should be using them for a gridded game like Tic-Tac-Toe. 보드가 가득 차서 승자가 아직 선언되지 않았습니다. Hey everyone, I have no experience with threads, unfortunately. NetBeans GUI Java Tic Tac Toe Home. Tic Tac Toe game. /tic_tac_toe Shall x be run by the computer?. This answer does not use any arrays, see h. So, the player type will have two possible constructors — Cross and Circle. I wrote a tic tac toe game in java using client server. Availability. You might be thinking "Tic Tac Toe is a simple and silly example. For Tic Tac Toe, that is the alternation of turns between players, the decision of when the game is over, and making sure that no player goes two turns in a row. If you want to know how to play tic-tac-toe, then see Step 1 to get. swing package. Tic Tac Toe help - Java-Gaming. X goes first and then they take turns alternatively. In our game, it is 3 x 3 squares. Each cell is either empty (denoted by '. 6 Example: Tic-Tac-Toe planning data structure describe how 103 Program file for this chapter: This chapter is the first application of the ideas we've explored to a sizable project. Java with Greenfoot Lesson 2: Tic-Tac-Toe Game Part I July 18, 2013 July 18, 2013 by Jessica Chiang In this lesson, we will create a Tic-Tac-Toe game board and add game pieces to it. Tic Tac Toe game : Simple Gui - Tic Tac Toe is a fun game to play. net/projects/roboking&hl=en&ie=UTF-8&sl=de&tl=en. I might also add that I have never actually won against this game. To purchase this book in its entirety, please see the Computer Science For Kids web site. We can simply check the row, column and the diagonals and see if there is a winner. Tic Tac Toe Game in Java with Source Code, example of tac toe game in swing,Swing Tutorial with example of JButton, JRadioButton, JTextField, JTextArea, JList, JColorChooser classes that are found in javax. It was not written by me and I do not take credit for it. It has simple rules, simple actions, and simple ending configurations, which makes it easy to describe it computationally. java contains the necessary constructor and methods and in the Main. Read this essay on Tic Tac Toe Java Code. CS, IT, Software Engineering where they can submit in college. Tic tac toe Java code help? Could someone give me a java code for tic tac toe using two dimensional arrays? In simple terms, how to change black background to. This is simple and basic level small project for learning purpose. The concept of Tic-tac-toe is super simple: you have a 3x3 grid, and each player takes turns writing their respective symbol, either an X or O, in a square. The first step will go over some basic concepts to make the rest of the guide go down smoother. Here are the three files: tic-tac-toe. I hope to get reply as soon as possible. Java offers both object-oriented and functional programming features. Archived Sketch. You should try to solve it yourself, and post here when you get stuck. This will entertain you and your visitors from your website. Tic Tac Toe Program. The rules are quite simple : each player sets a X or O on a 3×3 grid. This answer does not use any arrays, see h. Thank You. A simple Rock, Paper Scissors and Tic Tac Toe Java Applet Code? Best Answer: Tic tac toe is not trivial because you have 8 winning boards and 1 tie. The graphical interface is based on JavaF. I am stuck on how to use only 4 switches as an input. net/projects/roboking&hl=en&ie=UTF-8&sl=de&tl=en. You will play either against the computer or against a friend in this game. Tic Tac Toe This project is a small game Tic Tac Toe. Building an AI algorithm for the Tic-Tac-Toe challenge. java: how to make simple game in android studio, tic tac toe android source code download tic tac toe 2 player android code. If you continue browsing the site, you agree to the use of cookies on this website. It's free to sign up and bid on jobs. tic-tac-toe. An algorithm is a finite series of instructions to compute a result. However, if you learn how to play tic-tac-toe and master some simple strategies, then you'll be able to not only play, but to win the majority of the time. Simply put, Monte Carlo tree. We'll look at its phases in detail by implementing the game of Tic-Tac-Toe in Java. An algorithm is a finite series of instructions to compute a result. darringer games ttt web Tic Tac Toe is a simple java webapp for testing "min/max" recursive searches. It can also be used to illustrate the same minimax algorithm that has applications in advanced strategy games like connect four, checkers, and chess. Foros aprenderaprogramar. Tic-tac-toe game or Noughts and crosses (Xs and Os) game is a paper-and-pencil game of 2 players, in which Player1 put X and Player2 put O, marking the areas inside a 3×3 matrix. If we think about the playing board, we know that each field type can have two possible constructors — either Empty or Marked by one of the players. C > Games and Graphics Code Examples. Tic Tac Toe - Basics. In this game you play Tic Tac Toe with another player. At the end of this post, you should have a working Tic-Tac-Toe game like the one here. Unlike a traditional Tic Tac Toe “AI”, the purpose of this implementation is that the computer player does not know the rules of the game. It included a sample code of the Tic-Tac-Toe game. Tic-Tac-Toe, Also Called X's And O's, Noughts And Crosses, And X And 0 Is A Simple Game Played On A 3x3 Grid, Referred To As The Board. This is a simple TIC TAC TOE Game which is implemented in Artificial Intelligence under Graphics Mode. I chose tic-tac-toe (also known as noughts and crosses) since virtually everyone knows the game and the rules are simple enough that we don't need an elaborate analysis of game configurations. There are eight ways of winning a Tic-Tac-Toe game: This is the code to check for player1’s win (three steel balls line up): This is the code to check for player2’s win (three gold balls line up): If these codes make your head spin and you feel like you are about to punch someone, hang in there and I will explain these cryptic texts. The applet below is one of many samples bundled with the Java OpenGL libraries. Tic Tac Toe v1. This is quite complex when we start coding. If someone could show me, th. In tic tac toe, you would just go through each open space in order, and rate the move by the amount of wins. If anybody has any tips or hints please do help I need results to end up in a text field preferably incorporated below the tic tac toe game. (It never really was one. To purchase this book in its entirety, please see the Computer Science For Kids web site. This game is also known as Noughts and Crosses or Xs and Os game. This code here works but now I want the KeyListener to occur only on when the user hovers over a button. Tic-Tac-Toe Applet. We will start the implementation of this application by creating the welcome screen with 4 buttons: "Normal Mode", "Ultimate Mode", "About" and "Exit" buttons. Ce jeu, certe très simple, peut toujours occuper quelques minutes de notre temps! Vous trouverez probablement ailleur des versions graphiquement plus jolies, mais je crois qu'en échange d'une interface moyenne, cela présente un code vraiment facile à comprendre et à réutiliser. Il s'agit d'un jeu de Tic-Tac-Toe. java ==== This is the GUI (graphical user interface) class for a three-file solution which implements the game of tic tac toe. Description: JavaScript fights back in this artificial Tic Tac Toe game. Great script to have to entertain yourself and your visitors. NET part of tic tac toe. Alpha Beta pruning - Minimax Algorithm for Tic Tac Toe [Java] Red Black Tree Java Implementation Tic Tac Toe AI [ Minimax Algorithm ] with GUI using JavaFX [Tic Tac Toe][Artificial Intelligence][Minimax][Java][JavaFX]. e Player 1 vs Player 2. Read the source code carefully to understand the working of this program. tic-tac-toe. ’ characters (where ‘. The objective of this game is to get 3 "Thumbs-Up" or "Thumbs-Down" symbols in a row, colomn, or diagonal on the grid. The number of grids may be increased. This is a simple game running on logic. Tic Tac Toe Game project is a game application which is developed in Java platform. The new tab should display an empty tic-tac-toe game board and React code. I'm just starting to learn Java and I have written this simple Tic Tac Toe game. This will entertain you and your visitors from your website. Java Solution 1 - Naive. This Instructable will guide you, step by step, through making Tic Tac Toe in Java! This is not intended to be an overview of the Java language, but more of a guided example. The rules are simple enough: take turns moving to get four in a row, just like in 3D tic tac toe, but after each move you must rotate a row or column of your choice. In this game, there is a board with n x n squares. The Mind Reader. We are going to define various game states under a java class and figure out the winner and block set involved. Tic-tac-toe game or Noughts and crosses (Xs and Os) game is a paper-and-pencil game of 2 players, in which Player1 put X and Player2 put O, marking the areas inside a 3×3 matrix. Create a TicTacToe that will enable you to write a program to play Tic-Tac-Toe. Java Code Challenge: Tic-Tac-Toe Solution The Tic-Tac-Toe challenge was a major success. Java에서 tic-tac-toe 게임을 작성했으며 게임의 끝을 결정하는 현재의 방법은 게임이 끝난 다음 시나리오를 설명합니다. Tic Tac Toe app. The game has 2 players. The goal of this project is to test your ability to use the knowledge of Java that you have obtained up to this point in the course. Tic Tac Toe In Java By Using NetBeans. The game must support local, remote and automatic players. Tested Platform:. I'm developing the simple Tic Tac Toe game in Java and got stuck on the game loop architecture. *; public class TicTacToe extends JPanel. 3: Multiplayer Tic Tac Toe; In this game you play Tic Tac Toe with another player. For this we will be using Eclipse as the IDE, but any other Java IDE should be OK. The game which I've built using Java programming language is played between two players and it's fairly simple. Create a TicTacToe games in Java NetBeans using Methods, call to methods, if statement, JFrame, jButtons, jPanels, jLabels and setting panels properties. I need to have 4 methods and id like them to do exactly only this: 1) displayBoard (takes single passed parameter of 2d array representing current tic tac toe board. This game is played between two players. Simple & Minimal Multiplay Tic Tac Toe Game, designed and coded by. Hello World! today I am going to build a 2 player tic tac toe game using the C++ programming language. Tic-Tac-Toe is a very common game that is fairly easy to play. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game. Tic-tac-toe’s Long History with Software Development. I think I'm just overwhelming myself. This is a simple game running on logic. Reference: Wiki "Minimax". ActionListener; import javax. In this js program, we track each move for the next players move. Hi, I am writing a Tis Tac Toe program for me Java Course. Then two players alternate turns by. or anything like that. The remainder of this post steps through the MVC, MVP, and MVVM patterns in order. As part of the freeCodeCamp curriculum, I was challenged build a Tic-Tac-Toe web app. Here, we have developed a mini project in C Tic Tac Toe game – a simple console application without graphics. Alpha Beta pruning - Minimax Algorithm for Tic Tac Toe [Java] Red Black Tree Java Implementation Tic Tac Toe AI [ Minimax Algorithm ] with GUI using JavaFX [Tic Tac Toe][Artificial Intelligence][Minimax][Java][JavaFX]. The OO version of this simple Tic-Tac-Toe is more complex than the non-OO version, because Tic-Tac-Toe is a rather simple application. I hope to get reply as soon as possible. It is the regular Tic Tac Toe game with two gameplay modes Multiplayer for two players and another Single Player for one player playing against a computer algorithm. rar), which is a compressed file of 305 MB. swing package. The objective of this game is to get 3 "Thumbs-Up" or "Thumbs-Down" symbols in a row, colomn, or diagonal on the grid. This is a simple tic tac toe game for PHP Beginner programmers. Java Tic Tac Toe code example (no GUI) for beginners. Your mission, should you decide to accept it, is to create a Java program that can play a game of Tic-Tac-Toe with the user. Unlike a traditional Tic Tac Toe “AI”, the purpose of this implementation is that the computer player does not know the rules of the game. Go to your package name and right click on it. You will find that they have not half the strength you. An implementation of the Tic Tac Toe game in Java Lately I've been really busy, and I've not had that much time to spend on programming. The game itself is quite simple. But, probably, you haven't played such a entertaining Tic-Tac-Toe game which you will play soon. Creating a game like tic tac toe is actually pretty simple, but what is pretty important is the way that the artificial intelligence algorithm works. Tic-Tac-Toe is a classical paper-and-pencil game for 2 players. A single program can make use of several different algorithms. 3: Multiplayer Tic Tac Toe; In this game you play Tic Tac Toe with another player. In this post, I aim to demonstrate how a simulated tic-tac-toe game created in Java. Given a Tic-Tac-Toe board at the end of a game (in the form of a string, a matrix, a flat list of 9 ordered values, any other decent format), determine who wins the game. Good players always tie. We have to figure out the cases under which game has/has not completed. java(draws 'x' and 'o') and TicTacToeGame. INTRODUCTIONTic-tac-toe, also called noughts and crosses (in the British Commonwealth countries), Xs and Os (in Ireland) and Xand 0 (in India) is a pencil-and-paper game for two players, X and O, who take turns marking the spaces in a 3×3grid. i get the basic idea, but can't. It support multiplayer and second player can besimulated by computer. The Tic-Tac-Toe game requirements Tic-Tac-Toe is most often played by young children. But I want to make it simpler, and alot more organized, then the loop mess that I made. Java Solution 1 - Naive. While building the interface of this game is simple, writing the logic behind it is a bit more complex. The Tic-tac-toe game is really a simple application that can be easily implemented in Android. There’s no room for creativity or insight. It Will Be Possible To Play Human-vs-human, Human-vs-computer, Or Computer-vs-computer. All other aspects will be. There are eight ways of winning a Tic-Tac-Toe game: This is the code to check for player1's win (three steel balls line up): This is the code to check for player2's win (three gold balls line up): If these codes make your head spin and you feel like you are about to punch someone, hang in there and I will explain these cryptic texts. Tic Tac Toe is a very popular game among all generation. Just copy and paste it in turbo C compiler…. I need to have 4 methods and id like them to do exactly only this: 1) displayBoard (takes single passed parameter of 2d array representing current tic tac toe board. If you want more latest Java projects here. It is assumed that you know how to play tic-tac-toe, and that you are familiar with basic user concepts, such as clicking a button in a graphical user interface. Tic-Tac-Toe is a favorite game that works on using wit and strategy to help beat your opponent. Tic Tac Toe The Return is a simple graphic game written in Java. Java Concepts To complete this exercise you will most likely need to be familiar with with the following technical concepts:. For $30, I would be willing to supply you with Java code for a text-based Tic Tac Toe program, but writing a Java GUI would take four or five times as long. Here, we have developed a mini project in C Tic Tac Toe game – a simple console application without graphics. However, this is one of the best ways to start building your skills on writing JavaScript if you are a newbie. Code an interactive, two-player game of Tic-Tac-Toe. The GUI should resemble the one shown. I am going to show you how to make basic Tic Tac Toe Game. Ultimate Tic Tac Toe is a superb board game in which you get to play the classic tic tac toe game but with a major twist! In this game, you can play the traditional 3x3 grid, but you can also test your tic tac toe skill by playin on 5x5 and 7x7 grids too!. GitHub Gist: instantly share code, notes, and snippets. Create a TicTacToe games in Java NetBeans using Methods, call to methods, if statement, JFrame, jButtons, jPanels, jLabels and setting panels properties. ==== File #2 - GUI. *; public class TicTacToe extends JPanel. as_turn is used for the AI, human_turn is used for human players). So only two players can play at a time. The application easily opens on the browser. Project : Tic-Tac-Toe Game. I am planning on making a simple tic tac toe game but not sure where to start. I am new to JAVA and I am trying to make a simple Tic Tac Toe game to learn the language better. If someone could show me, th. Piskvorky Tic tac toe; simple min-height for all browsers; Java - Example Very Simple Player (JMF) Mouse Events a simple drawing application using AS3; simple main; Simple tail like assertion; Simple PHP ViewObject generator; Simple delay; Simple csv dump script; Simple CSS clearer. and it works fine. C++ Tic Tac Toe Game Project is developed in C++ for class XI CBSE board students. Android Apple Game Google Java Mircrosoft Mobiles Networks News Science Security Technology Tips. Our simulated tic-tac-toe game is a two-player game played on an 3 x 3 game board :. Simple Tic Tac Toe Game for Java. In our game, it is 3 x 3 squares. Enumerations State and Seed. Hello, I'm trying to make a simple Tic Tac Toe game using Java and I have some questions about KeyListeners and MouseListeners. Find out if the given board is valid, i. This product is a training program to develop tic tac toe game in java language and can be considered as a mini project. Unlike a traditional Tic Tac Toe "AI", the purpose of this implementation is that the computer player does not know the rules of the game. Thank You. There is another viral variant of this game- Ultimate Tic-Tac-Toe, which aims to make the normal Tic-Tac-Toe more interesting and less predictable. Thanks, I appreciate any responses from you guys!. Tic Tac Toe Game in Java with Source Code, example of tac toe game in swing,Swing Tutorial with example of JButton, JRadioButton, JTextField, JTextArea, JList, JColorChooser classes that are found in javax. GitHub Gist: instantly share code, notes, and snippets. Date Due: 4/24/2012 11:59 pm Aim: To master the use of Java network API, packet transmission and processing. Sample code of simple Tic Tac Toe game using java Android Studio. This AI will consider all possible scenarios and makes the most optimal move. NET projects. My instructor told me to make game from java but based on GUI. Just copy and paste it in turbo C compiler…. The board and play moves are represented by graphics. It's time to play tic-tac-toe, but this time, not with pen and paper. The play area is a grid of 3 x 3 spaces. Contribute to ttsu/tictactoe-java development by creating an account on GitHub. It was a real pleasure. HTML5 Tic-Tac-Toe. The game is simple and easy to program and is also easy to follow along with the logic. Date; /** * A simple TCP server. net/projects/roboking. In this tutorial, we will be looking at how to code a working game of Tic-Tac-Toe in Java. This applet was taken directly from the Java Developers Kit. In Java Programming Challenge: A Simple Tic-Tac-Toe Game you were challenged to write a console-based program that plays the simple game of Tic-Tac-Toe. It is assumed that you know how to play tic-tac-toe, and that you are familiar with basic user concepts, such as clicking a button in a graphical user interface. Here are the three files: tic-tac-toe. disclaimer: you will get the source code and to make it work in your machine is your responsibility and to debug any error/exception is your responsibility. In this post, I aim to demonstrate how a simulated tic-tac-toe game created in Java. Your mission, should you decide to accept it, is to create a Java program that can play a game of Tic-Tac-Toe with the user. Hope that after reading this post you might be more interested in AI than before and would develop much better applications. Rules of the Game The player whose turn is first has the choice to mark X or O to one of the nine squares, Here we choose X for first player. /* * This is a java playing program. Code an interactive, two-player game of Tic-Tac-Toe. We'll look at its phases in detail by implementing the game of Tic-Tac-Toe in Java. To make it as your web project I’ve made it using HTML5, CSS3 and simple java script. ') or occupied by one of the two players ('X' and 'O'). A game of tic-tac-toe is played on a \(3 \times 3\) square grid. Programming Forum ( can be as simple as printing in the console)} not an alpha beta search for tic tac toe, because tic. The canonical reference for building a production grade API with Spring. I hope to get reply as soon as possible. Read this essay on Tic Tac Toe Java Code. A player who succeeds in placing three specific marks in a horizontal, vertical or diagonal row wins. Tic-Tac-Toe is a paper-and-pencil game for two players, X and O … - Selection from Test-Driven Java Development - Second Edition [Book]. Java Code Challenge: Tic-Tac-Toe Solution The Tic-Tac-Toe challenge was a major success. It's time to play tic-tac-toe, but this time, not with pen and paper. GridLayout; import java. Simply put, Monte Carlo tree. TIC-TAC- {TOE 3. The canonical reference for building a production grade API with Spring. This tutorial, inspired by another post in this forum, will show you step by step how to create a two person Tic-Tac-Toe game in Java. Computer This example of a Tic-Tac-Toe logic game shows the board and allows the player to go first. This is a simple TIC TAC TOE Game which is implemented in Artificial Intelligence under Graphics Mode. I made use of the the JavaFx gui. After each turn the opponent will make a move nd then you can move again. Introduction Board games, which could be as simple as Tic-Tac-Toe, are where human wisdom has shined. If you continue browsing the site, you agree to the use of cookies on this website. java: how to make simple game in android studio, tic tac toe android source code download tic tac toe 2 player android code. ) Write Tic-Tac-Toe Mini Spy. Hello everyone, I just made a tic tac toe application and i want to share my code with all of you guys. Tic Tac Toe JavaScript fights back in this artificial Tic Tac Toe game. Java Código juego de LA VIEJA o del TRES EN RAYA (tic tac toe) orientado objetos. Managing State. Then two players alternate turns by. Java with Greenfoot Lesson 2: Tic-Tac-Toe Game Part I July 18, 2013 July 18, 2013 by Jessica Chiang In this lesson, we will create a Tic-Tac-Toe game board and add game pieces to it. The rules are simple enough: take turns moving to get four in a row, just like in 3D tic tac toe, but after each move you must rotate a row or column of your choice. Why do I keep getting the following errors in a very simple, basic TIC TAC TOE program? Any help would be greatly appreciated. Well you certainly could do that, but this is about giving ourselves something challenging enough to do with Groovy to make the project worthwhile. I'm creating tic tac toe Android app and I have done with two players tic tac toe and want to implement A. It makes the source code more readable as well. now i need to add one computer player - Answered by a verified Tutor. if you have any question or suggestion about the code don't be afraid to leave a comment. A Console OO Tic-Tac-Toe. java files) are typically compiled to an intermediate bytecode (all platform) executable (. You will play either against the computer or against a friend in this game. The tic-tac-toe game is played on a 3x3 grid the game is played by two players, who take turns. Title: Tic-Tac-Toe: Contemplation to Compilation Many games you play on the internet have been crafted from Java. Easy – Pick a random open space. I have a few recommendations to make. XR3TicTacToe Comments: A Tic Tac Toe game made in Java using Swing Library. It is a port of mptris to the Java platform. A single program can make use of several different algorithms. Once at a picnic, I saw mathematicians crowding around the last game I would have expected: Tic-tac-toe. Does anyone have C++ source code for a Tic Tac Toe game where recursion is used? This is not for a course it is a starting program that I am using to learn C++ basics on my own. In this project we are going to learn how to create tic-tac-toe game in javascript.