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Create Date September 22, 2020
Last Updated September 27, 2021

7-24-2020_btest_java

Whittaker still working on a better title, but try this one you'll love it. Great fun.

/*
  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.Tools;
import static org.jwildfire.base.mathlib.Complex;
import static org.jwildfire.base.mathlib.MathLib.*;


public class WcTemplateFunc extends VariationFunc {
  private static final long serialVersionUID = 1L;
  
  private static final String PARAM_DIVIDE = divide;
  private static final String PARAM_EXPAND = expand; 
  private static final String PARAM_MODE = mode;    
  private static final String[] paramNames = { PARAM_DIVIDE, PARAM_EXPAND, PARAM_MODE};
  private double divide = 2.0;
  private double expand = 2.0;
  private int mode = 0;
  
  @Override
  public void transform(FlameTransformationContext pContext, XForm pXForm, XYZPoint pAffineTP, XYZPoint pVarTP, double pAmount) {
  //7-24-2020_test_B by Whittaker Courtney (a little messy still WIP)
  // mode 0 default, mode 1 = swap sin and cos, mode 2 = square last z value.
  // default formula = sin(acos(z+2)/2) + cos(acos(z-2)/2)
  // mode 3 = (sin(acos(sqrt(exp(z)))) / cos(acos(sqrt(exp(z))))) * 2

       Complex z = new Complex(pAffineTP.x, pAffineTP.y);
       Complex zc = new Complex(pAffineTP.x, pAffineTP.y);       
       Complex z3 = new Complex(pAffineTP.x, pAffineTP.y);
       
       Complex z5 = new Complex(divide, 0);
       Complex z6 = new Complex(expand, 0);                
if (mode == 3){   
   z.Exp();
   z.Sqrt();

   zc.Exp();
   zc.Sqrt();
}

if (mode <= 2){   
z.Add(z6);
zc.Sub(z6); 
}

z.Acos();

if (mode <= 2){
z.Div(z5);
}
//swap sin and cos depending on mode.
if (mode == 0 || mode == 2 || mode == 3){
z.Sin();
}
else if (mode == 1){
z.Cos();
    }
    
zc.Acos();
if (mode <= 2){
zc.Div(z5);
}
//swap sin and cos depending on mode.
if(mode == 0 || mode == 2 || mode == 3){
zc.Cos();
}
else if (mode == 1){
zc.Sin();    
    }

if (mode == 3){    
z.Div(zc);
z.Add(z);           
}
else{
z.Add(zc);
    }
//mirror horizontally or horizontally and vertically depending on mode
double random = pContext.random();

if (mode == 2 ){
z.Sqr();
   if (random < 0.5){                              
       pVarTP.x += pAmount * z.re;  
       pVarTP.y += pAmount * z.im;    
    }
    else {     
       pVarTP.x += pAmount * z.re; 
       pVarTP.y += pAmount * -z.im;
    }
}
else if (mode == 3 ){
    z.Scale(M_2_PI);
   if (random < 0.5){                              
       pVarTP.x += pAmount * z.re;  
       pVarTP.y += pAmount * z.im;    
    }
    else {     
       pVarTP.x += pAmount * -z.re; 
       pVarTP.y += pAmount * -z.im;
    }
}
else{                                                                
   if (random < 0.25){                              
       pVarTP.x += pAmount * z.re;  
       pVarTP.y += pAmount * z.im;    
    }
    else if(random > 0.25 && random < 0.5){     
       pVarTP.x += pAmount * -z.re; 
       pVarTP.y += pAmount * -z.im;
    } 
    else if(random > 0.5 && random < 0.75){     
       pVarTP.x += pAmount * z.re; 
       pVarTP.y += pAmount * -z.im;
    } 
    else{     
       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[] {divide, expand, mode};
  }

  @Override
  public void setParameter(String pName, double pValue) {
    if (PARAM_DIVIDE.equalsIgnoreCase(pName))
      divide = pValue;
    else if (PARAM_EXPAND.equalsIgnoreCase(pName))
      expand = pValue;            
    else if (PARAM_MODE.equalsIgnoreCase(pName))
      mode = (int) Tools.limitValue(pValue, 0, 3);   
    else
      throw new IllegalArgumentException(pName);
  }

  @Override
  public String getName() {
    return 7-24-2020_test_b;
  }

}