Welcome to the signed distance fields repo. This contains the sample code for the signed distance field series at https://shaderfun.com/.
Whilst the repo is focussed on the blog, it is designed to be a simple toolkit for generating and rendering signed distance fields. Currently it is focussed on 2D fields, and supports:
- Rendering a field texture on screen using a variety of different demo algorithms
- Generating a distance field from explicit primitives such as circles, lines, rectangles
- Generating a distance field from an image, with simple handling for anti aliased images
- Sweeping a field using either 8PSSDT sweep or a brute force eikonal algorithm
- Downsampling
- Softening
Effects in the demo so far:
- Simple visualisation of the field
- Creating soft borders to avoid aliasing
- Edging effects such as gradients or neon glows
- Drop shadows
- Morphing between fields
Enjoy!