/*
* JAME 6.2.1
* http://jame.sourceforge.net
*
* Copyright 2001, 2016 Andrea Medeghini
*
* This file is part of JAME.
*
* JAME is an application for creating fractals and other graphics artifacts.
*
* JAME 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.
*
* JAME 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 JAME. If not, see <http://www.gnu.org/licenses/>.
*
*/
package net.sf.jame.mandelbrot.extensions.processingFormula.distance;
import net.sf.jame.core.math.Complex;
import net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime;
import net.sf.jame.mandelbrot.renderer.RenderedPoint;
/**
* @author Andrea Medeghini
*/
public class AverageFormulaRuntime extends ProcessingFormulaExtensionRuntime {
private final Complex z = new Complex();
private double sumMod;
private double sumArg;
private double avgMod;
private double avgArg;
private int k;
private double m;
private double c;
/**
* @see net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime#prepareForProcessing()
*/
@Override
public void prepareForProcessing() {
k = 0;
z.r = 0;
z.i = 0;
sumMod = 0;
sumArg = 0;
avgMod = 0;
avgArg = 0;
}
/**
* @see net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime#processPoint(net.sf.jame.mandelbrot.renderer.RenderedPoint)
*/
@Override
public void processPoint(final RenderedPoint cp) {
k += 1;
z.r = cp.dr;
z.i = cp.di;
m = Complex.mod(z);
c = Math.abs(Complex.arg(z));
sumMod += m;
sumArg += c;
}
/**
* @see net.sf.jame.mandelbrot.processingFormula.extension.ProcessingFormulaExtensionRuntime#renderPoint(net.sf.jame.mandelbrot.renderer.RenderedPoint)
*/
@Override
public void renderPoint(final RenderedPoint cp) {
if (k > 0) {
avgMod = sumMod / k;
avgArg = sumArg / k;
}
cp.tr = avgMod * Math.cos(avgArg);
cp.ti = avgMod * Math.sin(avgArg);
}
}