I have a placement system that snaps to a grid, how would I go about adding a function that detects whether the area already has an object in it? I'm not asking for a full code but links, snippets of code and explanations would be useful.
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Placement system: detection of blocks in grid?
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Try using Region3 or the FindPartsInRegion3 function : http://wiki.roblox.com/index.php?title=API:Class/Workspace/FindPartsInRegion3
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would be helpful if you include code as well, or your question will be closed