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package jadex.micro.mandelbrot.model;

import jadex.common.ClassInfo;

/**
 *  Algorithm for calculating the mandelbrot set.
 */
public class MandelbrotAlgorithm extends AbstractFractalAlgorithm
{
	//-------- IFractalAlgorithm interface --------
	
	/**
	 *  Determine the color of a point.
	 *  @param x	The x coordinate.
	 *  @param y	The y coordinate.
	 *  @param max	The maximum depth.
	 *  @return	A value for the point from 0 to max.
	 */
	public short determineColor(double xn, double yn, short max)
	{
		double x0 = xn;
		double y0 = yn;
		short i = 0;
		double c =  Math.sqrt(xn*xn + yn*yn);
		
		for(i=0; c<2 && i