Implemented changes to use abstract feedback

Assets/MediaPipeUnity/Scripts/AbstractFeedback.cs

@@ -0,0 +1,64 @@
+using DigitalRuby.Tween;
+using Mediapipe.Unity.Tutorial;
+using System;
+using System.Collections;
+using TMPro;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.UI;
+
+/// <summary>
+/// Class to display feedback during a course
+/// </summary>
+public abstract class AbstractFeedback : MonoBehaviour, Listener
+{
+    /// <summary>
+    /// Reference to the feedback field
+    /// </summary>
+    public TMP_Text feedbackText;
+
+    /// <summary>
+    /// Reference to the progress bar
+    /// </summary>
+    public Slider feedbackProgress;
+
+    /// <summary>
+    /// Reference to the progress bar image, so we can add fancy colors
+    /// </summary>
+    public Image feedbackProgressImage;
+
+    /// <summary>
+    /// Reference to the sign predictor
+    /// </summary>
+    public SignPredictor signPredictor;
+
+    /// <summary>
+    /// Timer to keep track of how long a incorrect sign is performed
+    /// </summary>
+    protected DateTime timer;
+
+    /// <summary>
+    /// Current predicted sign
+    /// </summary>
+    protected string predictedSign = null;
+
+    /// <summary>
+    /// Previous incorrect sign, so we can keep track whether the user is wrong or the user is still changing signs
+    /// </summary>
+    protected string previousIncorrectSign = null;
+
+    public void ProcessIncomingCall()
+    {
+        //UpdateFeedback2();
+        StartCoroutine(UpdateFeedback());
+    }
+
+    public void AddSelfAsListener()
+    {
+        signPredictor.listeners.Add(this);
+    }
+
+    public void Empty() { }
+
+    protected abstract IEnumerator UpdateFeedback();
+}