wivl / nell

OpenGL powered raytracer

nell

Nell is a toy-level, Ray-Tracing-in-One-Weekend-style raytracer based on OpenGL. The whole project is made for learning purpose.

Features

Nell has implemented a Ray-Tracing-in-One-Weekend-style raytracer in OpenGL, which has features:

• Lambertian, metal, dielectric and emit material
• Spheres and triangles intersection
• Mesh assets import
• Skybox
• Progressive rendering

TODO

• Consider system design and remake
• Acceleration structure
• Path tracing

Gallery

Build

The code base is written on an x86-64 Windows 11 machine for MSVC compiler.

Dependencies

• vcpkg
• glad
• glfw
• glm
• Assimp
• imGui
• stb

1. Install vcpkg:

scoop bucket add main
scoop install main/vcpkg

2. Install dependencies:

vcpkg install glad glfw3 glm assimp imgui stb

3. Locate your toolchain: C:\path\to\vcpkg\scripts\buildsystems\vcpkg.cmake

4. **Edit it in the CMakeList.txt file:(more info)

include(C:/path/to/vcpkg/scripts/buildsystems/vcpkg.cmake)

mkdir build
cd build
cmake ..