[sorry for the audio issues!]
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A grid as a spatial partitioning method is easy to implement and can speed up immensely collision detection.
In this video, I try to explain how it works, how bodies do not have to match the cell size, and a possible implementation.
Check out my implementation at:
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The code examples shown in the video are made exclusively for illustrative purposes - they help the viewer understand how everything works, but are in no way functional or well-written.
Addendum video: [ Ссылка ]
Interesting resources:
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Outdated articles I've written about collision detection and resolution:
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