Write comments; some cleanup

Assets/Scripts/SpellingBeeController.cs

@@ -6,11 +6,13 @@ using TMPro;
 using UnityEngine;
 using UnityEngine.UI;
 
+// JSON structure containing all themes/words
 [System.Serializable]
 public class ThemeList {
     public Theme[] themes;
 }
 
+// Object representing part of the JSON containing word data
 [System.Serializable]
 public class Theme {
     public string name;
@@ -18,17 +20,29 @@ public class Theme {
     public string[] words;
 }
 
-public class SpellingBeeController : MonoBehaviour {   
+public class SpellingBeeController : MonoBehaviour {
+    // All of the words that can be used in this session
     private string[] words;
+
+    // Where we currently are in the word
     private int currentIndex;
+
+    // The word that is currently being spelled
     private string currentWord;
 
+    // All of the available themes
     private ThemeList themeList;
+
+    // The theme we are currently using
     private Theme currentTheme;
+
+    // The GameObjects representing the letters
     private GameObject[] letters;
 
+    // The Image component for displaying the appropriate sprite
     public Image image;
-    public string inputString;
+
+    // The input field for testing purposes
     public TMP_InputField input;
 
     // Start is called before the first frame update
@@ -39,18 +53,6 @@ public class SpellingBeeController : MonoBehaviour {
         SetRandomWord();
     }
 
-    void SetRandomWord() {
-        currentIndex = 0;
-
-        int randomIndex = UnityEngine.Random.Range(0, words.Length - 1);
-        string randomWord = words[randomIndex];
-
-        letters = new GameObject[randomWord.Length];   
-        currentWord = randomWord;
-        changeSprite(randomWord);
-        changeWord(randomWord);
-    }
-
     // Update is called once per frame
     void Update() {        
         if (input.text.Length > 0) {
@@ -71,7 +73,21 @@ public class SpellingBeeController : MonoBehaviour {
         }
     }
 
-    void changeWord(string word) {
+    // Pick a new random word from words and initialize the needed variables
+    void SetRandomWord() {
+        currentIndex = 0;
+
+        int randomIndex = UnityEngine.Random.Range(0, words.Length - 1);
+        string randomWord = words[randomIndex];
+
+        letters = new GameObject[randomWord.Length];   
+        currentWord = randomWord;
+        changeSprite(randomWord);
+        displayWord(randomWord);
+    }
+
+    // Displays the word that needs to be spelled
+    void displayWord(string word) {
         int length = word.Length;
         int canvasWidth = 1920;
         int maxWidth = 1080;
@@ -112,6 +128,7 @@ public class SpellingBeeController : MonoBehaviour {
         }
     }
 
+    // Change the image that is being displayed
     void changeSprite(string spriteName) {
         Image imageComponent = image.GetComponent<Image>();
     
@@ -122,6 +139,7 @@ public class SpellingBeeController : MonoBehaviour {
         image.sprite = sprite;
     }
 
+    // Loads the JSON file containing all of the themes
     void loadJson() {
         TextAsset themeJson = Resources.Load<TextAsset>("SpellingBee/words");
         string jsonString = themeJson.text;