add backgroundChanger

Assets/Scripts/BackgroundChanger.cs

@@ -4,13 +4,76 @@ using UnityEngine;
 
 public class BackgroundChanger : MonoBehaviour {
 
-	// Use this for initialization
-	void Start () {
+    private List<GameObject> backgroundGroup = new List<GameObject>();
+    private List<GameObject> obstacleGroup = new List<GameObject>();
+    private GameObject[] gameObjectGroup;
+    private GameObject background;
+    private GameObject obstacle;
+    private string[] colors = {"Blue", "Green" };
         
+    public void Start()
+    {
+        CollectBackgrounds();
+        CollectObstacles();
+        UpdateBackgroud(colors[0]);
     }
 
-	// Update is called once per frame
-	void Update () {
+    private void CollectBackgrounds()
+    {
+        foreach(string color in colors)
+        {
+            background = GameObject.FindWithTag(color + "Background");
+            backgroundGroup.Add(background);
+        }
+    }
+
+    private void CollectObstacles()
+    {
+        foreach(string color in colors)
+        {
+            obstacle = GameObject.FindWithTag(color + "Obstacle");
+            obstacleGroup.Add(obstacle);
+        }
+    }
+
+    public void Update()
+    {
+        if (Input.GetKey(KeyCode.X))
+        {
+            UpdateBackgroud("Blue");
+        } else if (Input.GetKey(KeyCode.Z))
+        {
+            UpdateBackgroud("Green");
+        }
+    }
 
+    public void UpdateBackgroud(string tagColor)
+    {
+        foreach(GameObject background in backgroundGroup)
+        {
+            if (background.tag == tagColor + "Background")
+            {
+                background.SetActive(true);
+            } else
+            {
+                background.SetActive(false);
+            }
+        }
+
+        UpdateObstacle(tagColor);
+    }
+
+    private void UpdateObstacle(string tagColor)
+    { 
+        foreach (GameObject obstacle in obstacleGroup)
+        {
+            if(obstacle.tag == tagColor + "Obstacle")
+            {
+                obstacle.SetActive(false);
+            } else
+            {
+                obstacle.SetActive(true);
+            }
+        }
     }
 }

ProjectSettings/TagManager.asset

@@ -4,7 +4,10 @@
 TagManager:
   serializedVersion: 2
   tags:
-  - Background
+  - BlueBackground
+  - GreenBackground
+  - BlueObstacle
+  - GreenObstacle
   layers:
   - Default
   - TransparentFX