mrdoob/three.js — pull request #2294 by hughes (2012-08-07 15:15:26+00:00)
Title: CircleGeometry (dev)

I find this model really useful for quick circles and circle segments. Creates a 2d, uv-mapped, one-sided circle with configurable radius, segment count and start/end angles.

(resubmission of #2268 for dev branch)