I made a Path-tracer (photorealistic algorithm) in pure JS four years ago: http://renderer.ivank.net/
It rendered this image: http://renderer.ivank.net/balls.jpg :)
I also made the "full" 3D game: http://powerstones.ivank.net/ (uses a GLSL shader).
It rendered this image: http://renderer.ivank.net/balls.jpg :)
I also made the "full" 3D game: http://powerstones.ivank.net/ (uses a GLSL shader).