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AbstractBounce.ck
51 lines (43 loc) · 1.5 KB
/
AbstractBounce.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/>.
*/
// abstract class, do not use directly
// use concrete subclasses BounceIn, BounceOut, or BounceInOut
public class AbstractBounce extends Interpolation
{
fun float easeIn(float value)
{
return 1.0 - easeOut(1.0 - value);
}
fun float easeOut(float value)
{
if (value < (1.0 / 2.75))
{
return value * value * 7.5625;
}
else if (value < (2.0 / 2.75))
{
value - (1.5 / 2.75) => float v;
return v * v * 7.5625 + 0.75;
}
else if (value < (2.5 / 2.75))
{
value - (2.25 / 2.75) => float v;
return v * v * 7.5625 + 0.9375;
}
value - (2.625 / 2.75) => float v;
return v * v * 7.5625 + 0.984375;
}
}