SDF

• SDf : Signed Distance Field

예

• 폰트 렌더링
• LOD를 위한 알파맵
  • https://blog.naver.com/kite3h/222500918662
• Ray Marching

Ref

• SIGGRAPH2015 - Dynamic Occlusion with Signed Distance Fields
• NVScene 2015 Session: How to Create Content with Signed Distance Functions (Johann Korndörfer)
• https://iquilezles.org/www/index.htm
  • https://iquilezles.org/www/articles/smin/smin.htm
  • https://iquilezles.org/www/articles/distfunctions/distfunctions.htm