helper function to convert deg to radians The code defines several helper functions used in the game, such as converting degrees to radians degToRad, rotating a point by an angle rotatePoint, generating a random integer within a range getRandomInt, calculating the distance between two points getDistance, checking for collision between two circles collides, and finding the closest inactive bubble that collides with an object getClosestBubble: const canvas = document.getElementById('game') It also defines various constants and initializes the data structures used in the game, such as the bubble grid, color mapping, bubble array, and particle array. The code starts by obtaining a reference to the canvas element and its 2D rendering context. Here are the main topics covered in the code: Initialization: This creates the illusion of the bubble snapping to a grid. Each bubble starts as inactive, and when a bubble is shot and collides with a wall or an active bubble, the closest inactive bubble is made active with the same color as the shot bubble. The game is played on a hex grid, but instead of using a complicated hex grid, the screen is filled with bubbles in their correct positions. This code is a simplified implementation of the game "Puzzle Bubble" using HTMLcanvas and JavaScript. align-items and justify-content is being used to center the items in the body tags which are in HTML. CSS User Interface html, body the background colour is set to black and flex box is being initialized to make the application responsive on all devices. The HTML structure includes a canvas element with an id of "game" where the game graphics will be rendered. The javascript contains all the logic and functionality of our web application. To link the javascript the script tag is used with src which containes the file name of the javascript file "script.js". The CSS contains the designs and colours of our web application. Here above is the HTML template of the game with includes linking important components such as the style.css using href and link tag. Once a player has cleared the entire screen, they have won the game.The player will have to focus on aim and accuracy to progress in the game.The game will start with the initial black screen with all the bubbles in the grid.The rules of the game are simply to aim and shoot.Player will win when they clear the entire screen of the bubbles.The game will consist of approximately 4 rows with up to 8 bubbles in each row.Overall Implementation Strategy Game Structure: The game doesnt have an end so it will just continue to play for as long as the user wants to play. Here as we can see there are less bubbles in the grid now and the color on the shooter is red so we can shoot the red bubble and see if the next colour is matching to anything in the bubble grid. The a key is used to aim the shooter to the left and the d key is used to aim the shooter to the right. This will cause those bubbles to pop and vanish and you will continue the game. In this demo we are shooting the red bubble towards the group of red bubbles in the grid shown above. Here is our bubble shooter game running in the browser using vscode: With its colorful and addictive gameplay, bubble shooter games have become a popular choice for players looking for engaging and relaxing puzzle experiences on different platforms. The game challenges players to think strategically, plan their shots, and anticipate the trajectory of the bubbles. As the player shoots bubbles, they strategically try to clear the grid by causing clusters of bubbles to pop. Bubble Shooter Game:Ī bubble shooter game is a casual puzzle game where players aim and shoot colored bubbles onto a grid, attempting to create matches of three or more bubbles of the same color. We'll also cover the shooting mechanism, which involves controlling the angle of the shooting arrow and launching bubbles. We'll explore functions and variables used in the game, such as creating and positioning bubbles etc.Īdditionally, we'll dive into the mechanics of the game, including the hexagonal grid representation using a rectangular grid, the concept of active and inactive bubbles, and the initialization of the game grid based on a predefined layout. We will discuss the structure, styling, and the key aspects of the JavaScript code. We will examine the different components of the code and understand how they contribute to the gameplay. In this article at OpenGenus, we will explore the popular game called "Bubble Shooter" and take a closer look at its underlying code. All of the source code for this application can be found here: Introduction:
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