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Re:Show HN: Canvas engines performance comparison – PixiJS, ... by yokto on Tuesday May 05, 2020 @06:12PM (#23085718)
Paper.js simply isn't meant to be used to draw thousands of rectangles. You should only use something GPU-based for that, like Pixi or Three.

I love Paper.js because it has a TON of super useful vector features and is still is reasonably fast :D

Re:Show HN: Canvas engines performance comparison – PixiJS, ... by jansan on Tuesday May 05, 2020 @07:26PM (#23086277)
The boolean functionality in Paper.js is quite outstanding. I am not aware of any other Javascript library that features such a robust implementation of path unite/intersect/subtract/exclude operations.
Re:Show HN: Canvas engines performance comparison – PixiJS, ... by gnykka on Tuesday May 05, 2020 @06:54PM (#23086074)
I simply loved the examples on paper.js webpage and just wanted to try it