Entry Scene added; Negative score fix

Assets/Scripts/Quiz4Controller.cs

@@ -3,6 +3,7 @@ using System.Linq;
 using System.Text.RegularExpressions;
 using UnityEngine;
 using UnityEngine.UI;
+using UnityEngine.SceneManagement;
 
 public class Quiz4Controller : MonoBehaviour {
 
@@ -155,13 +156,23 @@ public class Quiz4Controller : MonoBehaviour {
             }
         }
         else
-            LoadNextQuestion();
+        {
+            if (questionIdx == questions.Count)
+                SceneManager.LoadScene("EntryScene");
+            else
+                LoadNextQuestion();
+        }
         if (counterDisplayAnswersValue > 0 && counterDisplayAnswersStarted)
             counterDisplayAnswersValue -= Time.deltaTime;
         else
         {
-            UpdateScene();
-            counterDisplayAnswersStarted = false;
+            if (questionIdx == questions.Count)
+                SceneManager.LoadScene("EntryScene");
+            else
+            {
+                UpdateScene();
+                counterDisplayAnswersStarted = false;
+            }
         }
         
         // Select answers event handler
@@ -251,6 +262,8 @@ public class Quiz4Controller : MonoBehaviour {
         if (counterDisplayAnswersStarted)
             return;
         scoreValue += GetScore();
+        if (scoreValue < 0)
+            scoreValue = 0;
         UpdateScore();
         selectedAnswers.Clear();
         ClearCurrentSceneGlowEffect();
@@ -258,7 +271,8 @@ public class Quiz4Controller : MonoBehaviour {
         counterDisplayAnswersStarted = true;
         counterValue = counterInitialValue;
         ShowAnswers();
-        questionIdx = (questionIdx + 1) % questions.Count;
+        questionIdx = questionIdx + 1;
+        Debug.Log(questionIdx);
     }
 
     /// <summary>