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A ray caster tutorial in ASCII art
Published at
Jan 19, 2025
Main Article
ASCII Raycaster Tutorial
A ray caster in Typescript and HTML Canvas with annotated explanations in ASCII art.
See it in action
shikaan.github.io/raycast-tutorial
Where is the tutorial?
The code is the tutorial! Jump to app.ts to get started.
This repository is the code for a web application running a ray caster in the browser. All the code is thoroughly annotated and includes ASCII art explanations where drawings are necessary.
Prerequisites
The tutorial expects minimal familiarity with high-school level trigonometry, but all you really need is in the Wikipedia page for trigonometric functions.
Development
npm ci
npm start
Contributing
If you'd like to report an issue, feel free to create a GitHub issue.