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/* | |
* @author zz85 / http://twitter.com/blurspline / http://www.lab4games.net/zz85/blog | |
* @author centerionware / http://www.centerionware.com | |
* | |
* Subdivision Geometry Modifier | |
* using Loop Subdivision Scheme | |
* | |
* References: | |
* http://graphics.stanford.edu/~mdfisher/subdivision.html | |
* http://www.holmes3d.net/graphics/subdivision/ |