WTFOperator.java :  » UnTagged » android-mandelbrot-set » org » girino » frac » operators » Android Open Source

package org.girino.frac.operators;


/**
 * this is a cool fractal function i found while playng 
 * around with mandelbrot sets. kept it here for fun. 
 * @author girino
 *
 */
public class WTFOperator implements FractalOperator {
  
  private static final double omega = 4.0;

  /**
   * the mistake is I add the previous point, not the original one.
   */
  public int apply(double x, double y, int maxiter) {
      int v = 0;
      for(; v < maxiter && (x * x + y * y) < omega; v++) {
        double t = x + x * x - y * y;
        y = y + x * y * 2f;
        x = t;
      }
      return v;
  }


}