Anishchenko_Astakhov.cs

using UnityEngine;
using System.Collections;

// from http://chaoticatmospheres.com/mathrules-strange-attractors
public class Anishchenko_Astakhov : ChaosEqn  {

    private float mu ;  
    private float eta ;     

    public Anishchenko_Astakhov() {
        name = "Anishchenko_Astakhov";

        eqnStrings = new string[]{
                "xdot = mu x + y - x z",
                "ydot = -x",
                "zdot = -eta z + eta I(x) x^2"
        };

        paramBundles = new ParamBundle[] {
            new ParamBundle("default (scaled)", 1.2f, 0.5f, 0f, 
                new Vector3(0.1f, 0f, 0f), new Vector3(-00.6f,-02.3f,-01.9f), 1.54f),
            new ParamBundle("default", 1.2f, 0.5f, 0f, 
                    new Vector3(0.1f, 0f, 0f)),
        };

        paramNames = new string[] { "mu", "eta"};
        slideShowSpeed = 2.5f;
    }

    public override void SetParams(ParamBundle pb)
    {
        mu = pb.eqnParam[0];
        eta = pb.eqnParam[1]; 
    }

    public override void Function(ref float[] x_in, ref float[] x_out) {
        x_out[0] = mu*x_in[0] + x_in[1] - x_in[0]*x_in[2];
        x_out[1] = -x_in[0];
        float I = (x_in[0] > 0) ? 1f: 0f;
        x_out[2] = -eta* x_in[2] + eta * I * x_in[0]*x_in[0];
    }

}