Halvorson.cs

using UnityEngine;
using System.Collections;

// http://chaoticatmospheres.deviantart.com/art/Strange-Attractors-The-Halvorsen-Attractor-376173330
public class Halvorsen : ChaosEqn  {

    private float alpha ;   

    public Halvorsen() {
        name = "Halvorsen";

        eqnStrings = new string[]{
                "xdot = -alpha x - 4y -4z -y^2",
                "ydot = -alpha y - 4z - 4x - z^2",
                "zdot = -alpha z - 4x -4y -x^2"
        };

        paramBundles = new ParamBundle[] {
            new ParamBundle("default (scaled)", new float[] {1.4f}, 
                    new Vector3(0.1f, 0, 0), new Vector3(02.9f,03.5f,03.5f), 0.51f),
            new ParamBundle("default", new float[] {1.4f}, 
                    new Vector3(0.1f, 0, 0)),
        };

        paramNames = new string[] { "alpha"};
        slideShowSpeed = 1f;
    }

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

    public override void Function(ref float[] x_in, ref float[] x_out) {
        x_out[0] = -alpha*x_in[0] - 4f*x_in[1] - 4f*x_in[2] - x_in[1]*x_in[1];
        x_out[1] = -alpha*x_in[1] - 4f*x_in[2] - 4f*x_in[0] - x_in[2]*x_in[2];
        x_out[2] = -alpha*x_in[2] - 4f*x_in[0] - 4f*x_in[1] - x_in[0]*x_in[0];
    }

}