Circular rays in bounded space(2D)

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On 07/09/2012 at 03:39, xxxxxxxx wrote:

Hello

I can't to understand how to limit length of splines(circular array of them) in bounded space(spline/irregular rectangle/ from nulls in scene)?

It will helpful if somebody points at links with articles, tutorials...

Scene and file - http://rghost.net/40231148
or https://www.dropbox.com/s/w16im4i2mb1vq6v/raysInBoundedSpace.zip

Upd.

Seems i need to dig to http://mathworld.wolfram.com/TangentialQuadrilateral.html

(sorry for my English)