WeekendRaytracer

A Raytracer written in C99 based on the book "Ray Tracing in One Weekend" by Peter Shirley

Check https://github.com/astrand130/Weekend-Raytracer/releases for pre-compiled builds

Yes... this is taking me more than a weekend... There are bugs and I'm not good at math...

How to Build

1. Clone this repository to your' PC
2. Open the local folder with CMake as the source directory
3. Check/Uncheck optional features and provide a working path to their dependencies
4. Generate the project with your' IDE/Compiler of choice
5. Compile the generated project
6. Marvel at a static image of spheres
7. Report the inevitable bugs to the Github Issues page
8. Watch in awe as nothing gets fixed

Pre-Requisites

• A C99 Compatible Compiler (at-least recent MSVC's level of support)
• OpenMP support (Optional)
• A Image Viewer that can open and is associated with .HDR images by default (Recomended)
• Open Image Denoise https://github.com/OpenImageDenoise/oidn (Optional)

Progress

• Write Image
• Vector Math
• Rays
• Multi-threading
• Spheres
• Generic Shape
• Scenes
• Plane (Needs fixing)
• Anti-aliasing
• Diffuse
• Generic Material
• Metal
• Glass (Needs fixing)
• Emission
• Denoiser Implimentation
• Tone-mapping
• Dynamic Camera (Needs fixing)
• Defocus
• Random Scene
• Scene Loader
• Scene Creator
• Triangle Meshes
• Textures

Known issues

• Planes don't appear outside of indirect lighting... for some reason
• Glasss lacks fresnel... and pretty much all physical acuracy
• Dynamic camera yeets into another plane of existence
• Has only been tested on Windows x64 with MSVC

Original Book/Author

https://twitter.com/Peter_shirley

https://www.amazon.com/Ray-Tracing-Weekend-Minibooks-Book-ebook/dp/B01B5AODD8