/*
JWildfire - an image and animation processor written in Java
Copyright (C) 1995-2011 Andreas Maschke
This 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.
This software 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 software;
if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.create.tina.variation;
import static org.jwildfire.base.mathlib.MathLib.M_PI_2;
import static org.jwildfire.base.mathlib.MathLib.atan2;
import org.jwildfire.create.tina.base.XForm;
import org.jwildfire.create.tina.base.XYZPoint;
public class InflateZ_4Func extends SimpleVariationFunc {
private static final long serialVersionUID = 1L;
@Override
public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP, double pAmount) {
/* inflateZ_4 by Larry Berlin, http://aporev.deviantart.com/art/New-3D-Plugins-136484533?q=gallery%3Aaporev%2F8229210&qo=22 */
double ang1 = atan2(pAffineTP.y, pAffineTP.x);
double rndm = pContext.random();
double val1 = (M_PI_2 - ang1);
if (rndm < 0.5) {
val1 = -val1;
}
pVarTP.z += pAmount * val1 * 0.25;
}
@Override
public String getName() {
return "inflateZ_4";
}
}