Category

canvas

4 articles in this category.

Simple Collision Detection with Path2D

How to create a simple and efficient collision detection between paths in your HTML5 Canvas app or game? In this article we will create a maze, allow a player to navigate through the maze and detect when the player collides with the walls. The End Goal Let’s build a simple game. The game will look […]

How to Create Terrain and Heightmaps using the Diamond-Square Algorithm in JavaScript?

The diamond-square algorithm is a procedural terrain generation algorithm. It makes it easy to generate Heightmaps and Terrain for games. In this article we will implement the diamond-square algorithm in JavaScript, plot our terrain on a canvas and see how a player can interact with its various terrain types. Many games are using Procedural Terrain […]

How to write a simple collision detector in HTML5 canvas and JavaScript?

Collision detection is the basics of entities interaction on canvas. Imagine you have a Player Character (PC) that’s walking through a maze and you’d like to know if this PC bumps into a wall or can keep on going. One can argue that there’s a wall crossing potion somewhere, but let’s assume one doesn’t have […]

How to test HTML5 canvas with jest?

In this short article you will learn what you need to install in order to prepare a test environment for canvas operations with jest. After finishing the article, you will be ready for some canvas testing action! In the past few months, my kid and I been building HTML5 games. I’d might actually get you […]

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