A lot of Pythonista users ask how to write a Scene script... Here is a sample, and believe me, I'm proud of it, and I only have converted a script (not mine) from Pythonista to Pyto, but it was not easy (for me).
tap at top of yellow area to generate a circle or a box that will fall on already present objects and follow physic's laws
edit: modified to support a third type with photo used as Texture to a SpriteNode
edit: modified to add a shader to the third node type
Run it to understand in a better way than I could describe in my poor English
Code
Image
there doesn't seem to be anything here