What is an efficient way to find a non-colliding rectangle nearest to a location

Posted by hyn on Stack Overflow See other posts from Stack Overflow or by hyn
Published on 2010-06-18T07:35:28Z Indexed on 2010/06/18 10:13 UTC
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Filed under:

algorithm

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language-agnostic

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game-development

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collision-detection

For a 2D game I am working on, I am using y axis sorting in a simple rectangle-based collision detection. This is working fine, and now I want to find the nearest empty rectangle at a given location with a given size, efficiently. How can I do this? Is there an algorithm?

I could think of a simple brute force grid test (with each grid the size of the empty space we're looking for) but obviously this is slow and not even a complete test.

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