Unity Bitmap Drawing
A downloadable library
A library for adding real-time bitmap drawing to your Unity3D game/tool/whatever.
Extremely CPU efficient, zero garbage allocation per frame, works well exported to WebGL.
WebGL Demo (of kooltool, which uses this library)
I am using this in my own project, so development is active. The performance critical parts are finished, but usage examples, documentation, and unit tests are lacking. The sprite pooler isn't very good, but is fine for holding a few intermediate brushes while you composite an image.
Open to improvement requests and support queries.
In order to download this library you must purchase it at or above the minimum price of $20 USD. You will get access to the following files: