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lemonstix

wall detection

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i have created a map through which the user can move around. Unfortunately, the user can move anywhere on the screen, regardless of any existing obstacles. How do I program wall detection so the user cannot walk through trees and walls?

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What you''re looking for is actually called "collision detection". There''s lots of articles and tuts about this topic around the web. Just do a quick search through the Articles section, or on Google. NeHe also has a tutorial or two on this.

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