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when toggle format what by license comment
Nov 2, 2015 at 17:18 comment added Sean Middleditch Note though that if the sphere is directly along the view vector, it will be a circle.
Nov 2, 2015 at 12:51 history edited snake5 CC BY-SA 3.0
updated a broken link
Nov 9, 2012 at 11:20 comment added ashleysmithgpu That picture is very helpful, sorry I can't select two answers
Nov 9, 2012 at 10:44 history answered snake5 CC BY-SA 3.0