/*
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.
*/
/**
* Double modulus IFS
* @author Jesus Sosa
* @date January 18, 2018
* based on modulus used as a IFS:
*
* Modifications by Brad Stefanov and Rick Sidwell
*
*/
package org.jwildfire.create.tina.variation;
import static org.jwildfire.base.mathlib.MathLib.fmod;
import org.jwildfire.base.Tools;
import org.jwildfire.base.mathlib.MathLib;
import org.jwildfire.create.tina.base.Layer;
import org.jwildfire.create.tina.base.XForm;
import org.jwildfire.create.tina.base.XYZPoint;
public class DCDModulusFunc extends VariationFunc {
private static final long serialVersionUID = 1L;
private static final String PARAM_X = "x";
private static final String PARAM_Y = "y";
private static final String PARAM_ANGLE = "angle";
private static final String PARAM_SHIFTX = "shiftx";
private static final String PARAM_SHIFTY = "shifty";
private static final String PARAM_COLOR1 = "color1";
private static final String PARAM_SPEED1 = "speed1";
private static final String PARAM_COLOR2 = "color2";
private static final String PARAM_SPEED2 = "speed2";
private static final String PARAM_SQUARE = "square";
private static final String[] paramNames = { PARAM_X, PARAM_Y, PARAM_ANGLE,PARAM_SHIFTX, PARAM_SHIFTY,
PARAM_COLOR1, PARAM_SPEED1, PARAM_COLOR2, PARAM_SPEED2, PARAM_SQUARE };
private double x = 2.0;
private double y = 2.0;
private double shiftx = 0.0;
private double shifty = 0.0;
private double color1 = 0;
private double color2 = 1;
private double speed1 = 0;
private double speed2 = 0;
private double angle = 45.0;
private int square = 1;
private double coscos, sincos, sinsin, rangle;
@Override
public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP,
double pAmount) {
double xnew, ynew, xt, yt;
// rangle = MathLib.M_PI*angle/180.0;
// double w1,w2=Math.pow(Math.tan(rangle),2.0)*0.5;
double p2 = coscos / (coscos + sinsin);
double p1 = sinsin / (coscos + sinsin);
/* Modulus in the Apophysis Plugin Pack */
if (pAffineTP.x > x) {
xnew = (-x + fmod(pAffineTP.x + x, _xr));
} else if (pAffineTP.x < -x) {
xnew = (x - fmod(x - pAffineTP.x, _xr));
} else {
xnew = pAffineTP.x;
}
if (pAffineTP.y > y) {
ynew = (-y + fmod(pAffineTP.y + y, _yr));
} else if (pAffineTP.y < -y) {
ynew = (y - fmod(y - pAffineTP.y, _yr));
} else {
ynew = pAffineTP.y;
}
double p = pContext.random();
if (angle <= 45.0) {
if (p < p2) {
xt = xnew * coscos + ynew * sincos + x;
yt = -xnew * sincos + ynew * coscos - y;
newColor = oldColor * c11 + c12;
} else {
xt = xnew * sincos + ynew * sinsin;
yt = -xnew * sinsin + ynew * sincos;
newColor = oldColor * c21 + c22;
}
} else {
if (p < p1) {
xt = xnew * sincos + ynew * sinsin;
yt = -xnew * sinsin + ynew * sincos;
newColor = oldColor * c21 + c22;
} else {
xt = xnew * coscos + ynew * sincos + x;
yt = -xnew * sincos + ynew * coscos - y;
newColor = oldColor * c11 + c12;
}
}
xt += shiftx;
yt += shifty;
if (square == 0) {
pVarTP.x += pAmount * xt;
pVarTP.y += pAmount * yt;
}
else {
if (xt > x) {
pVarTP.x += pAmount * (-x + fmod(xt + x, _xr));
}
else if (xt < -x) {
pVarTP.x += pAmount * (x - fmod(x - xt, _xr));
}
else {
pVarTP.x += pAmount * xt;
}
if (yt > y) {
pVarTP.y += pAmount * (-y + fmod(yt + y, _yr));
}
else if (yt < -y) {
pVarTP.y += pAmount * (y - fmod(y - yt, _yr));
}
else {
pVarTP.y += pAmount * yt;
}
}
if (pContext.isPreserveZCoordinate()) {
pVarTP.z += pAmount * pAffineTP.z;
}
pVarTP.color = fmod(newColor, 1);
oldColor = newColor;
}
@Override
public String[] getParameterNames() {
return paramNames;
}
@Override
public Object[] getParameterValues() {
return new Object[] { x, y, angle, shiftx, shifty, color1, speed1, color2, speed2, square };
}
@Override
public void setParameter(String pName, double pValue) {
if (PARAM_X.equalsIgnoreCase(pName))
x = pValue;
else if (PARAM_Y.equalsIgnoreCase(pName))
y = pValue;
else if (PARAM_ANGLE.equalsIgnoreCase(pName)) {
angle = pValue;
rangle = MathLib.M_PI * angle / 180.0;
coscos = MathLib.cos(rangle) * MathLib.cos(rangle);
sinsin = MathLib.sin(rangle) * MathLib.sin(rangle);
sincos = MathLib.sin(rangle) * MathLib.cos(rangle);
}
else if (PARAM_SHIFTX.equalsIgnoreCase(pName))
shiftx = pValue;
else if (PARAM_SHIFTY.equalsIgnoreCase(pName))
shifty = pValue;
else if (PARAM_COLOR1.equalsIgnoreCase(pName))
color1 = pValue;
else if (PARAM_SPEED1.equalsIgnoreCase(pName))
speed1 = pValue;
else if (PARAM_COLOR2.equalsIgnoreCase(pName))
color2 = pValue;
else if (PARAM_SPEED2.equalsIgnoreCase(pName))
speed2 = pValue;
else if (PARAM_SQUARE.equalsIgnoreCase(pName))
square = limitIntVal(Tools.FTOI(pValue), 0, 1);
else
throw new IllegalArgumentException(pName);
}
@Override
public String getName() {
return "dc_dmodulus";
}
private double _xr, _yr, c11, c12, c21, c22, oldColor, newColor;
@Override
public void init(FlameTransformationContext pContext, Layer pLayer, XForm pXForm, double pAmount) {
_xr = 2.0 * x;
_yr = 2.0 * y;
c11 = (1 + speed1) / 2;
c12 = color1 * (1 - speed1) / 2;
c21 = (1 + speed2) / 2;
c22 = color2 * (1 - speed2) / 2;
oldColor = 0.5;
}
}
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