https://github.com/mizrael/monoraycaster

simple Raycaster implementation in C# with Monogame
https://github.com/mizrael/monoraycaster

dotnet gamedev monogame raycasting

Last synced: 2 months ago
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simple Raycaster implementation in C# with Monogame

• Host: GitHub
• URL: https://github.com/mizrael/monoraycaster
• Owner: mizrael
• License: mit
• Created: 2025-07-11T07:26:37.000Z (3 months ago)
• Default Branch: main
• Last Pushed: 2025-07-31T20:45:59.000Z (3 months ago)
• Last Synced: 2025-08-17T07:43:19.887Z (2 months ago)
• Topics: dotnet, gamedev, monogame, raycasting
• Language: C#
• Homepage:
• Size: 477 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

          
# MonoRaycaster

Simple raycaster implementation in C# using Monogame. The code is based on the well-known [article by Lode Vandevenne](https://lodev.org/cgtutor/raycasting.html).

The base implementation with no textures uses a `Color` framebuffer, rotated by 90 degrees. This allows setting the pixel data by row instead of column, avoiding expensive index calculation and inner loop.

`Span` is used to speed up data access. 

![](no-textures.jpg)

The textured implementation still renders the map rotated by 90 degrees, and applies some caching strategies to minimize I/O operations.

![](textures.jpg)

It is also possible to render a minimap showing the view cone:

![minimap](minimap.jpg)