Tested new implementation for models

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Assets/MediaPipeUnity/ScriptableObjects/ModelList.asset

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Assets/MediaPipeUnity/Scripts/ModelIndex.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public enum ModelIndex 
+{
+    FINGERSPELLING,
+    NONE
+}

Assets/MediaPipeUnity/Scripts/ModelIndex.cs.meta

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Assets/MediaPipeUnity/Scripts/ModelList.cs

@@ -0,0 +1,39 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using Unity.Barracuda;
+/// <summary>
+/// This scriptable will hold tupples of Courseindices and models
+/// </summary>
+[CreateAssetMenu(menuName = "Create new Scriptable/ModelList")]
+public class ModelList : ScriptableObject
+{
+    /// <summary>
+    /// Index of the currently active model
+    /// </summary>
+    public int currentModelIndex = 0;
+
+    /// <summary>
+    /// A list of all the models
+    /// </summary>
+    public List<ModelTuple> models = new List<ModelTuple>();
+
+    /// <summary>
+    /// Get a model by modelindex
+    /// </summary>
+    /// <param name="modelIndex">ModelIndex of the model</param>
+    /// <returns>Model associated with this index, null if no model was found</returns>
+    public NNModel GetModelByIndex(ModelIndex modelIndex)
+    {
+        return models.Find((m) => m.index == modelIndex).model;
+    }
+
+    /// <summary>
+    /// Function to find a model-index in the list based on its index
+    /// </summary>
+    /// <param name="title"></param>
+    public void SetCurrentModel(ModelIndex index)
+    {
+        currentModelIndex = models.FindIndex((m) => m.index == index);
+    }
+}

Assets/MediaPipeUnity/Scripts/ModelList.cs.meta

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Assets/MediaPipeUnity/Scripts/ModelTuple.cs

@@ -0,0 +1,18 @@
+using System;
+using UnityEngine;
+using Unity.Barracuda;
+/// <summary>
+/// Small class to link a model to a courseIndex irrespective of its position in a list
+/// </summary>
+[Serializable]
+public class ModelTuple
+{
+    /// <summary>
+    /// ModelIndex to which the model corresponds
+    /// </summary>
+    public ModelIndex index;
+    /// <summary>
+    /// The model itself
+    /// </summary>
+    public NNModel model;
+}

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Assets/MediaPipeUnity/Scripts/SignPredictor.cs

@@ -18,6 +18,9 @@ namespace Mediapipe.Unity.Tutorial
 {
     public class SignPredictor : MonoBehaviour
     {
+
+        public ModelList modelList;
+
         /// <summary>
         /// Reference to the model used in the SignPredictor
         /// </summary>