CurveBeryl/Joybox-Box2D — pull request #2 by yonekawa (2013-04-24 12:24:21+00:00)
Title: Add B2DCircleShape

for b2CircleShape
http://hkpr.info/flash/lib/doc/box2d-2.0.2/Box2D/Collision/Shapes/b2CircleShape.html