RTUT is a weekend ray tracer on Unity, which is following @Peter_shirley's textbook.

• Ray Tracing in One Weekend (Ray Tracing Minibooks Book 1)
• Ray Tracing: the Next Week (Ray Tracing Minibooks Book 2)
• Ray Tracing: The Rest Of Your Life (Ray Tracing Minibooks Book 3)

This software is released under the MIT License, see LICENSE.txt.