Programming Blender Addons with Python that rock

In this Python programming tutorial I show how to code Blender addons that rock. I register 2d and 3d drawing callbacks that you can use to draw into the viewport and then use bmesh to create meshes on the fly.

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[RomboutVersluijs]

Thats nice! The retopo addon is much more advanced, why create something similar?

[swiveiproduction]

Dude, how did you setup vscode for blender, Everytime I use it I always get error squigles

[RomboutVersluijs]

PS when are you calling get_vertices? i see the function being declared, but i dont see it being called? i only see self.__vertices? Same goes for that appened function, i dont see it being called neither?

[RomboutVersluijs]

How are ayou able to use raycast without dephsgraph? I was updating an old addon which use raycast to see what kind of mesh was hit, in bl 2.79 this seemed much easier, now we need to use depsgraph for each mesh instance in order to get it. Im just wondering how you are to get past that. Its kinda interesting i can get the same sort of result without it. Im trying to update RigUI addon. i got most of it working only the material picker not, its kinda of a weird setup how thats done.