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Topic: Subtract two meshes



  
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   Subtract two meshes
 Poster : osaad
 Posts: 1
 Country : Egypt
 City: cairo

  
Posted by osaad on 09/06/2010 at 17:11:30
Hi i was wondering if there is a way to subtract 2 meshes at runtime? its more like the option in 3d max where u intersect 2 meshes and subtract the intersecting vertices from one of them, more like carving using the other.

I need some reference or pointers on where to start looking, any code of course will be very helpful. Thanks
 Poster : Rich_Zap
 Posts: 103
 Country : UK
 City: Leeds

  
Posted by Rich_Zap on 11/06/2010 at 07:31:10
I don't believe there is any way to do this directly from the directx mesh class. The area you are looking for is called CSG (Constructive Solid Geometry).

I am afraid I don't know of/couldn't find any free working examples :(. Here's a few links I got off a google search that might be helpful:

http://www.google.co.uk/url?sa=t&source=web&cd=1&ved=0CB0QFjAA&url=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FConstructive_solid_geometry&ei=oysSTOsbqaDhBvP2yKwI&usg=AFQjCNFD1ZsOf9KCn7ExgzntJRRqbo6pRw

http://www.google.co.uk/url?sa=t&source=web&cd=3&ved=0CCgQFjAC&url=http%3A%2F%2Fwww.leadwerks.com%2Ffiles%2Fcsg.pdf&ei=oysSTOsbqaDhBvP2yKwI&usg=AFQjCNHe2XCZ2Gf4ncezClKW1Jz-I-DYLQ

http://www.google.co.uk/url?sa=t&source=web&cd=10&ved=0CEMQFjAJ&url=http%3A%2F%2Fwww.flipcode.com%2Farchives%2FConstructive_Solid_Geometry.shtml&ei=oysSTOsbqaDhBvP2yKwI&usg=AFQjCNGchmPiw4SLfn6yGey-DTfs3pYrwQ

 Poster : Anonymous
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Posted by Anonymous on 09/12/2012 at 16:22:03
Gosh, I wish I would have had that inftormaion earlier!

  
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