Copyright (c) 2012 Martin Prout This demo & library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. http://creativecommons.org/licenses/LGPL/2.1/ This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA / /** This sketch is a candidate for updating to use my new Turtle3D interface see Hilbert2 Features ArcBall rotation constrained to Y axis (and mousewheel zoom)

Source code: csplant

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