# Signed distance function

> ## Articles

## Articles

- [Distance functions](https://iquilezles.org/articles/distfunctions/) by [Inigo Quilez](https://wiki.g15e.com/pages/Inigo%20Quilez.txt)
- [2D distance functions](https://iquilezles.org/articles/distfunctions2d/) by [Inigo Quilez](https://wiki.g15e.com/pages/Inigo%20Quilez.txt)