I have been working on a small tool that generates Signed Distance Fields (SDF) from polygonal meshes in real-time in Unity. My main goal with this tool was to enable me to use SDFs with Visual Effect Graph in Unity. You see it in action in these images and videos.
My SDF Tool - test 1, video
My SDF Tool - test 2, video
My SDF Tool - test 3, video
My SDF Tool - test 4, video
My SDF Tool - test 5, video