/*
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 org.jwildfire.create.tina.base.XForm;
import org.jwildfire.create.tina.base.XYZPoint;
import org.jwildfire.base.mathlib.Complex;
import static org.jwildfire.base.mathlib.MathLib.*;
public class RingTile2Func extends VariationFunc {
private static final long serialVersionUID = 1L;
private static final String PARAM_POWER = "power";
private static final String PARAM_TILESIZE = "tilesize";
private static final String PARAM_WIDTH1 = "width1";
private static final String PARAM_WIDTH2 = "width2";
private static final String PARAM_OUTLINE = "outline";
private static final String PARAM_RING = "ring";
private static final String[] paramNames = {PARAM_POWER, PARAM_TILESIZE, PARAM_WIDTH1, PARAM_WIDTH2, PARAM_OUTLINE, PARAM_RING};
private double power = 5.0;
private double tilesize = 0.50;
private double width1 = 0.50;
private double width2 = 0.30;
private double outline = 0.000001;
private int ring = 1;
@Override
public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP, double pAmount) {
/* ringtile by Brad Stefanov and Whittaker Courtney */
double _yr1 = outline * width2;
double yh = -power;
double xr, yr;
if (pContext.random() < 0.5)
yh = power;
yr = tilesize * (pAffineTP.y + Math.round(yh * log(pContext.random())));
if (pAffineTP.x > width2) {
xr = width1 * (-width2 + fmod(pAffineTP.x + width2, _yr1));
}
else if (pAffineTP.x < -width2) {
xr = width1 * (width2 - fmod(width2 - pAffineTP.x, _yr1));
}
else {
xr = width1 * pAffineTP.x;
}
Complex z = new Complex(xr, yr);
if (ring != 0)
z.Exp();
pVarTP.x += pAmount * z.re;
pVarTP.y += pAmount * z.im;
if (pContext.isPreserveZCoordinate()) {
pVarTP.z += pAmount * pAffineTP.z;
}
}
@Override
public String[] getParameterNames() {
return paramNames;
}
@Override
public Object[] getParameterValues() {
return new Object[]{power, tilesize, width1, width2, outline, ring};
}
@Override
public void setParameter(String pName, double pValue) {
if (PARAM_POWER.equalsIgnoreCase(pName))
power = pValue;
else if (PARAM_TILESIZE.equalsIgnoreCase(pName))
tilesize = pValue;
else if (PARAM_WIDTH1.equalsIgnoreCase(pName))
width1 = pValue;
else if (PARAM_WIDTH2.equalsIgnoreCase(pName))
width2 = pValue;
else if (PARAM_OUTLINE.equalsIgnoreCase(pName))
outline = pValue;
else if (PARAM_RING .equalsIgnoreCase(pName))
ring = (int) limitVal(pValue, 0, 1);
else
throw new IllegalArgumentException(pName);
}
@Override
public String getName() {
return "ringtile2";
}
}
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