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raytracer/README.md

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raytracer

An implementation of raytracing in modern C++, based on code from the Ray Tracing in One Weekend book series. This implementation uses multi-threading, ranges, and imgui to provide an interactive rendering experience.

UI controls include:

  • Field of view
  • CPU thread/worker count
  • XYZ camera position
  • IJK camera "look at" position
  • Samples count to control render quality
  • Global shade control for "day" or "night" rendering
  • "balls" window: Add or remove spheres and set each sphere's material, size, and position

The UI also does low-quality "live" rendering as settings are changed; click "recalculate" to render in high-quality. The visible render can be exported as a PNG image to the current directory.

Build instructions

  1. Download imgui submodule via git submodule.
  2. Have GCC, GNU Make, and SDL2 installed.
  3. Run 'make'.

The final program binary is called main.