moepforfreedom / gi_raytracer

A simple path tracer

About

A simple raytracer written in C++

Features

• Global Illumination via path tracing
• Reflection, refraction
• Area lights and soft shadows
• Adaptive quasi monte carlo sampling based on halton sequences
• Reflective and refractive caustics using photon mapping
• Several types of primitives including spheres, cones, triangles, boxes, etc.
• Simple materials with support for phong shading, diffuse/emissive maps
• Image-based and procedural textures
• Atmospheric effects such as fog and clouds
• Suport for importing OBJ meshes
• Octree-accelerated ray intersections
• Multithreading using OpenMP

Requirements

• cmake
• qt5

Building

  cd <project-root>
  mkdir build; cd build
  cmake ..
  make

Usage

  ./global-illu <scene file>