JavaScript Game Development

JavaScript Game Development

JavaScript Game Development is fun when done with JavaScript. Games are easy to play and build with the help of javascript. JavaScript dominates the programming language world and is used by every website on the internet.  Every web-based application needed JavaScript because it makes animation and interactions more attractive which makes playing games and browsing even better. JavaScript can also be used for Client-side developments and server-side development.

JavaScript Game Development is learned mainly by people who love to play games, JavaScripts makes it easier to build games on the web. In today’s world where internet speed is increasing and computer hardware is becoming more and more advanced, gamers are keen to develop new content with the help of javaScript

Why JavaScript is Good for Game Development?

Javascript is the most preferred language for game development. More precisely javascript works more efficiently with web-based games and mobile games. The programming language is easier to understand for kids and contains plenty of resources for coders. JavaScripts are taught in school to children either studying in middle school or high school.

If you want to develop a game that can be played in the browser or mobile phone then javascript is the best option.   With the help of javascript, you can create both 2D and 3D games that will run directly in your browser. Javascript is used only to develop web-based games but is also popular in the field of mobile gaming.

Although javascript is known to be the most versatile language, the issue with the programming language is that you cannot create AAA games with this language because it is slower than languages like C++ and consumes more memory as compared to other programming languages. Advanced games like Call of Duty or Fortnight require heavy GPU calculations which javascript cannot handle. 

Difference between JavaScript vs Java

Game Development
Game Development

JavaScript and Java both are programming languages but are different from one another. Javascript is an interpreted scripting language where code need not be compiled and results are analyzed after the command from the user. it helps to create websites and perform actions according to the users. Java on the other hand is a compiling language which means code needs to have been compiled before it can be run. The code is translated into a machine language that will be understood by the computer. 

Javascript is compatible to develop web browser games but if you want a game to run on a PC or console then Java will be the right choice. Mine craft is developed with the help of the Java programming language.

Popular games built with the help of  JavaScript

Many popular online games were built using the JavaScript programming language. Below are some games built by using Javascript:

  1. Tower Building: In this game, the payers have to stack blocks and create a very tall tower. The game includes QR codes that allow you to play the fantastic game on a mobile phone and you can also rose, fork, and clone the GitHub storage which gives information about the creation of the game.
  2. Bejeweled: The game was created as a browser game in the early 2000s and is very much similar to Candy Crush. You have to match three jewels in a row to score points.
  3. 2048: The game allows users to use arrow keys to move tiles around in a grid. It is a very addicting game. The game aims to play a game until the tiles became equal to 2048.
  4. Polycraft: It is a 3D game that can be played in your browser. The game is full of adventure, exploration, base-building, gathering, crafting, and fighting.
  5. Words With Friends 2: The game is available as a mobile app that uses React Native which is a  framework that utilizes JavaScript and makes the creation of mobile applications easy. Zynga used React Native to create a game that can be played on multiple platforms with the help of a one-code base of javascript.  

Top 3 Best JavaScript Game Development

JavaScript is very powerful but cannot do everything except the code that is purely text. It is very common to use a game engine or rendering library while using JavaScript. People who learn to specialize in javascript language develop their dream games. These game engines are software that allows extra components for games like sound, animation, graphics, and physics. There are many options to choose from for the game engine or rendering library of the game. The top 3 javascript JavaScript Game Development libraries are listed below: 

PixiJS

PixiJs
PixiJs

is an open-sourced engine with speed and a beautiful API. This has cross-platform support by the 2D renderer. This will help to make your game for multiple applications. It has a highly supportive community that helps in providing consistent improvements due to its open-source engine.

BabylonJS

babylonjs
babylonjs

It has a library that has powerful tools which allow you to create anything from simple animations to 3D games. It is also open-sourced and has a large community of developers just like  PixiJS, BabylonJS

Phaser

Phaser
Phaser

The library offers support for desktop and mobile HTML5 games. Its main focus is on developing 2D games that can be compiled to launch games on multiple platforms.  One benefit of using Phaser is that it can use additional plugins according to the user’s preference. This feature allows you to keep your tools small in size and make it easy for you to not make any unnecessary components. 

 

 

Steps to JavaScript Game Development

JavaScript Game DevelopmentIf you want to make a game using JavaScript then you have to follow the steps given below. These steps will help you to create your block games. 

Step 1 – Select a Code Editor

Select the editor of your choices like CodeWizardsHQ editor, CodePen, VS Code, or phpStorm which are very easy to access and learn. 

Step 2 – Build a Game Canvas

The first piece of code you will enter will establish a canvas for your game. Here you can adjust the height and width according to your choice.  follow the below four steps: 

  1. Add the canvas code inside the <style></style> tags.
  2. Create your function of start game and define your variables and write get canvas inside the <script></script> tags
  3. Type start game in the <body></body> tags onload. 
  4. You can also add a title using an <h1></h1> tag inside the <body></body> tag

After these steps, you will see a light blue rectangle with your game title. It will act as the background of the game. After these steps, all code that is written will go inside the <script></script> tags.

Step 3 – Code Your Player.

The Next step is to add the players. Follow the below steps to add the payers. 

  1. First, create a variable that will be called a player.
  2. Second, Create another variable to hold the Y position of the player.
  3. Create a function called createPlayer() which will have parameters for the width, height, and x-position of the player.
  4. In the start game() create the player using the function from the above step and assign it to the variable created in the first step. 

Step 4 – Add Gravity to Your Player

Now to create gravity for the player. Follow the below steps: 

  1. Create a variable called full speed.
  2. Now create a new interval and hold it in a variable that calls for the updated canvas() function.
  3. Create two functions for the player. One is to draw and the other to move the player. 
  4. Create an updated canvas() function which will clear the canvas and will redraw the player.

Step 5 – Add Code Functionality to Your Player

When the player will start falling, we want the player to stop as soon as it hits the ground. To do this, follow the below steps: 

  1. Add the following stop layer() function inside the create player() function. 
  2. Now call the function at the end of movePlayer().

Step 6 – Code Jump Logic for Your Player

To allow your player to jump by pressing the space bar. Follow the below steps: 

  1. Create a Jumping boolean and jump speed property functions. 
  2. Create a jump() function inside the create player() function.
  3. Update the make all() function.
  4. Call for jump() function inside updated canvas().
  5. Now Create a resetJump() function.
  6. Toggle the jumping boolean and call for the rest jump() on pressing the spacebar.

Step 7 – Build the Attack Block

Now after the above steps, it’s time to build a block that will attack the player. The function will be the same as creating the player but with some additional randomization for the block’s properties.  

  1. You will create a new block variable along with the create block() function
  2. Now Assign the block variable with a value from createBlock()
  3. Call the function inside the start game() and assign it to the above variable
  4. Now Create a random number() function
  5. Inside your createBlock() function,  you can assign random numbers for width, height, and speed. Then create a draw() function and attack player() function.
  6. In updated canvas(), call block.Draw() and block.attack player();

Step 8 – Add Logic to Move Your Player

Now, the block is ready to attack the player but the command is absent for the return of the block from the edge of the screen. For this we need to follow the below steps : 

  1. You will Create a returnToAttackPostion() function inside createBlock()
  2. Now Reset the width, height, speed, and x and y value of the block
  3. Lastly, Call the new function at the end of the attack player()

Step 9 – Stop the Game on Collision

The block will successfully attack the player and will return to the starting point but what about ending the game. Now it’s time to write a detect collision() function that will stop the game once a collision happens. You have to Call the detect collision() function in the updated canvas() function.

Step 10 – Add a Score to the Game

Now for the last step, we will add a scoreboard to the game. This will be done in the same way as creating shapes and will specify a fillText property and font.

  1. Create a score variable equal to 0 to start and also create a score label variable to be used later.
  2. Create a createScoreLabel() function with a draw() function. 
  3. Assign the score label a value with our createScoreLabel() function
  4. Call for score label. draw() in updated canvas()
  5. Increase the score once your block makes it to the end

After completing the first JavaScript Game Development:

Now when you have created your first JavaScript game, it’s your turn to program and adds more commands to the game. Below are the steps to add to the game: 

  1. For an easy challenge, You can change a few of the variables like full speed or jump speed. Play with it a bit until you get to a setting according to your choice. 
  2. For a medium-to-difficult challenge, You can create a new label on the other side of the screen that holds the number of lives she will have. you can start with three lives which the user can lose after each collision. Once all the three lives are over, the game will get over.  
  3. For a difficult challenge, You can add multiple new objects in the game that will give you bonus points upon touching them. This will involve creating a new function to create the object and adding collision detection. You can add more objects that can fly or float. 

Conclusion 

ConclusionYou can be a JavaScript game developer if you confine yourself to creating content using JavaScript. Trying the above steps to make a unique game is the first step for you in the world of programming language. 

The introduction of advanced web standards and developers has brought Web browsers a long way. Developers implement the Javascripts in a variety of browsers that allows us to do things directly inside browsers which were harder and difficult to achieve in older times.

The new features and processing power scalable in modern smartphones and computers allow us to create games that can run directly inside a user’s browser. There are still lacunae in browser-based games as they still can’t compete with natively developed games but we can run moderately complex games in a browser without needing any installation.

Developing a game is an enormous task, but there is the availability of huge JavaScript-based game engines and libraries around to help you learn the basics without needing to implement common features like collision or detection.

 

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