ChaoticSystem.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ChaoticSystem : MonoBehaviour {

    public const string NO_PARAM = "none";

    public float timeZoom = 1f;

    public int selectedEqn;
    public int selectedParams;

    public Vector3 evolveScale = Vector3.one;

    public ParamBundle customParams = null; 

    public bool paramFoldout = false;
    public bool speedFoldout = false;

    public virtual void Init() {
        Debug.LogError("Must override this method");
    }

    // Time evolution 
    // time evolution
    protected float physicsTime; 
    protected float worldTime; 
    // minimum DT is driven by evolution of Lorenz on outer loops (where it moves fast)
    protected float DT = 0.005f;

    protected void TimeInit() {
        worldTime = Time.time;
        physicsTime = worldTime*timeZoom;
    }

    protected int CalcNumSteps() {

        worldTime += Time.fixedDeltaTime;
        float timeSlice = Mathf.Max(worldTime - physicsTime/timeZoom, 0); 
        int numSteps = Mathf.RoundToInt(timeSlice/DT);
        physicsTime += numSteps * DT;
        return numSteps; 
    }

}