"Come Here" gesture for Manomotion

using UnityEngine;

public class ComeHereGestureController : MonoBehaviour
{
    enum States
    {
        None,
        InitialOpenHand,
        ClosedHand1,
        OpenHand2,
        ClosedHand2
    }

    static Color highlight1 = new Color(0.1f, 0.1f, 0.5f),
        highlight2 = new Color(0.1f, 0.1f, 0.7f),
        highlight3 = new Color(0.1f, 0.1f, 0.9f);

    States state;
    int correctFrames = 0, wrongFrames = 0, normalDelay = 1, timeout = 20;
    void Update()
    {
        if (!(ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.hand_side == HandSide.Palmside
            && ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.mano_class == ManoClass.GRAB_GESTURE_FAMILY))
            return;

        switch (state)
        {
            case States.None:
                if (ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.state == 0)
                    state = States.InitialOpenHand;
                    Debug.Log("InitialOpenHand");
                break;
            case States.InitialOpenHand:
                if (ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.state == 0)
                    correctFrames++;
                else
                    wrongFrames++;

                if (correctFrames > normalDelay)
                {
                    correctFrames = wrongFrames = 0;
                    state = States.ClosedHand1;
                    Debug.Log("WaitingForClosedHand1");
                    GetComponent<Renderer>().material.color = highlight1;
                }

                break;
            case States.ClosedHand1:
                if (ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.state == 13)
                    correctFrames++;
                else
                    wrongFrames++;

                if (correctFrames > normalDelay)
                {
                    correctFrames = wrongFrames = 0;
                    state = States.OpenHand2;
                    Debug.Log("WaitingForOpenHand2");
                    GetComponent<Renderer>().material.color = highlight2;
                }

                break;
            case States.OpenHand2:
                if (ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.state == 0)
                    correctFrames++;
                else
                    wrongFrames++;

                if (correctFrames > normalDelay)
                {
                    correctFrames = wrongFrames = 0;
                    state = States.ClosedHand2;
                    Debug.Log("WaitingForClosedHand2");
                    GetComponent<Renderer>().material.color = highlight3;
                }

                if (wrongFrames > timeout)
                {
                    correctFrames = wrongFrames = 0;
                    state = States.None;
                    Debug.Log("<color=red>States.OpenHand2 - timeout</color>");
                    GetComponent<Renderer>().material.color = Color.red;
                }

                break;
            case States.ClosedHand2:
                if (ManomotionManager.Instance.Hand_infos[0].hand_info.gesture_info.state == 13)
                    correctFrames++;
                else
                    wrongFrames++;

                if (correctFrames > 0)
                {
                    correctFrames = wrongFrames = 0;
                    Debug.Log("<color=green>COME HERE!</color>");
                    state = States.None;
                    GetComponent<Renderer>().material.color = Color.green;
                }

                if (wrongFrames > timeout)
                {
                    correctFrames = wrongFrames = 0;
                    state = States.None;
                    Debug.Log("<color=red>States.ClosedHand2 - timeout</color>");
                    GetComponent<Renderer>().material.color = Color.red;
                }

                break;
            default:
                break;
        }
    }
}