Necessary knowledge for modeling geometric objects in js?

Question

JavaScript

What needs to be learned to build non-trivial geometric objects on canvas?

Answer 1

You can start with Raphael https://dmitrybaranovskiy.github.io/raphael/

Answer 2

Your task is not quite clear. Check out the JS libraries for graphics:

• Paper.js
  
• Constructive Solid Geometry (CSG)
  
• dynamic geometry