Fix T37704: cycles hair render error with hair density vertex group.
authorBrecht Van Lommel <brechtvanlommel@gmail.com>
Tue, 10 Dec 2013 18:47:27 +0000 (19:47 +0100)
committerBrecht Van Lommel <brechtvanlommel@gmail.com>
Tue, 10 Dec 2013 18:47:27 +0000 (19:47 +0100)
commitd7945b7202c666cb8fcfb31e3f16caa46dc69ea6
treeee945937b5325025e991d3ea50f7da81a40cfbe0
parentebdaf4f1929340526eead6f128f78c4849d34e3f
Fix T37704: cycles hair render error with hair density vertex group.

Zero length hairs were causing problems, now it skips rendering them as they
are invisible anyway.
intern/cycles/blender/blender_curves.cpp