3D rendering playground for Dart/Flutter

A few people were requesting an interactive demo of Thermion[0], so over the weekend I created a custom DartPad so you can see it in action from your own browser (https://dartpad.thermion.dev). Chrome only for now, I know there are some issue with Brave/Firefox at the moment which I'll fix in due course, and Safari is still off the table for now.

This is the Dart-only package, but the Flutter package is identical save for the initial setup code and some convenience widgets, (e.g. camera gesture controls). I'll aim to get a sample Flutter app embedded this week too.

[0] a 3D rendering toolkit for Dart/Flutter (https://github.com/nmfisher/thermion)