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CircularInOut.ck
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CircularInOut.ck
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/*
LiCK Library for ChucK.
Copyright (c) 2007-2012 held jointly by the individual authors.
This file is part of LiCK.
LiCK is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LiCK 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with LiCK. If not, see <http://www.gnu.org/licenses/>.
*/
public class CircularInOut extends Interpolation
{
fun float evaluate(float value)
{
2.0 * value => float v;
if (v < 1.0)
{
return -0.5 * (Math.sqrt(1.0 - Math.pow(v, 2.0)) - 1.0);
}
v - 2.0 => v;
return 0.5 * (Math.sqrt(1.0 - Math.pow(v, 2.0) + 1.0));
}
}