Outstanding Collision Filters Chart. Special thanks to Brent Sorrentino of Ignis Design LLC for this amazing resource.

Collision filters (a Box2D concept) is something that I have always been pretty confused about when it came to setting up new ones and how it all worked. The chart that Brent provided (back in October!) makes the whole thing a billion times simpler.

The page shows an example chart with step-by-step “how to” instructions, and then provides a link to a blank chart (PDF).

I recommend using an app such as Skim so you can draw on the PDF document and create a collision filter chart for each of your projects (that need it).

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