puzzle module framework, puzzle a ball module

Assets/Escape Room Engine/Desert/Scripts/EmissionToggle.cs

@@ -0,0 +1,48 @@
+using UnityEngine;
+
+namespace Escape_Room_Engine.Desert.Scripts
+{
+    public class EmissionToggle : MonoBehaviour
+    {
+        internal bool active;
+
+        private bool _previousActive;
+        private Material _material;
+
+        private void Awake()
+        {
+            _material = GetComponent<Renderer>().material;
+        }
+
+        private void Start()
+        {
+            Changed();
+        }
+
+        private void Update()
+        {
+            if (_previousActive != active)
+            {
+                Changed();
+                _previousActive = active;
+            }
+        }
+
+        private void Changed()
+        {
+            if (active)
+            {
+                _material.EnableKeyword("_EMISSION");
+            }
+            else
+            {
+                _material.DisableKeyword("_EMISSION");
+            }
+        }
+
+        public void SetActive(bool to)
+        {
+            this.active = to;
+        }
+    }
+}