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## Calculate a path based on a 3D model

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### #1d000hg  Members

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Posted 12 March 2012 - 02:48 PM

If you have a model of a tunnel or a long bendy pipe, or something like that, is there any neat way to calculate a path through the tube? Imagine I have a model a bit like this:

Such a path clearly exists, but how to usefully process either the vertices alone or the polygons/edges using them to calculate it?

### #2Corefanatic  Members

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Posted 12 March 2012 - 06:08 PM

Well, if you have a pipe made of consecutive rings, then average the positions of all vertices belonging to each ring and you get a point in the middle of them all. Repeat for whole pipe, connect the midpoints and you have a path through.

### #3web383  Members

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Posted 13 March 2012 - 11:12 AM

You will probably want to generate a NavMesh for the walkable areas of your scene. Try searching the AI forums for more info.

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