http://toddvanderlin.com Design & Technology Tue, 27 Jul 2010 03:27:44 +0000 en hourly 1 http://wordpress.org/?v=3.0 http://toddvanderlin.com/2010/03/green-balls/ http://toddvanderlin.com/2010/03/green-balls/#comments Wed, 24 Mar 2010 01:08:44 +0000 Todd Vanderlin http://toddvanderlin.com/?p=2480

little experiment from last week.

]]> http://toddvanderlin.com/2010/03/green-balls/feed/ 0 http://toddvanderlin.com/2009/04/delaunay-contour/ http://toddvanderlin.com/2009/04/delaunay-contour/#comments Sat, 18 Apr 2009 14:53:52 +0000 Todd Vanderlin http://toddvanderlin.com/?p=1195

I wanted to create a shape within the contour so I used delaunay triangulation. This returned all the triangles that build up the convex hull of the points. This was great but I only wanted the triangles inside the contour. Theo gave me a really great inside polygon test which solved this. I made sure that the center of each triangle was inside the contour. I think this will work if I create static shapes that build up the contour. Zach also had a great idea to check to see if the shape is inside the polygon. I could built a contact listener that checks to see if its inside and if so remove.

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I used box2d to create a shape out of the contour of the body. There are still some some bugs that I’m trying to work out. Initially the shapes were only colliding with the interior of the contour but simple reversing the points solved that. Some shapes are still being push through but I think I have some ideas to solve this, maybe create fixed shapes inside the contour. Despite the somewhat slow playback of the video due to snapzpro the speed is great. More to come.

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