Ray
| Ray Casting | ray를 쏘고 맞춘놈을 찾음 |
| Ray Marching | ray를 쏘고 맞춘놈을 찾음. 찾기위해 기하학적 교차 테스트(ex SDF(Signed Distance Function))을 이용 |
| Ray Tracing | ray를 쏘고 맞춘놈을 찾음. 거기서 편향되게(reflect/refract) 레이를 쏨. |
| Path Tracing | ray를 쏘고 맞춘놈을 찾음. 거기서 고르게(GI) 레이를 쏨. |
Ray Marching
- http://jamie-wong.com/2016/07/15/ray-marching-signed-distance-functions/#signed-distance-functions
- https://iquilezles.org/www/index.htm
- http://blog.three-eyed-games.com/2018/05/03/gpu-ray-tracing-in-unity-part-1/
- http://blog.three-eyed-games.com/2018/05/12/gpu-path-tracing-in-unity-part-2/
- Coding Adventure: Ray Marching
- The Art of Code - Ray Marching playlist
- Peer Play - Raymarching Shader Tutorial playlist
- https://rito15.github.io/posts/ray-marching/