Small refactor to JSON loader

Assets/Scripts/SpellingBeeController.cs

@@ -6,20 +6,6 @@ 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;
-    public string description;
-    public string[] words;
-}
-
 public class SpellingBeeController : MonoBehaviour {
     // All of the words that can be used in this session
     private string[] words;
@@ -47,8 +33,9 @@ public class SpellingBeeController : MonoBehaviour {
 
     // Start is called before the first frame update
     void Start() {
-        loadJson();
+        themeList = ThemeLoader.loadJson();
         currentTheme = themeList.themes[0];
+        words = currentTheme.words;
 
         SetRandomWord();
     }
@@ -139,14 +126,6 @@ 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;
-        themeList = JsonUtility.FromJson<ThemeList>(jsonString);
-        words = themeList.themes[UnityEngine.Random.Range(0, themeList.themes.Length - 1)].words;
-    }
-
     IEnumerator Wait() {
         yield return new WaitForSecondsRealtime(2);
     }