maint: added livewatch asset

Assets/Plugins/LiveWatchLite/TowerDefenceDemo/Scripts/GameSpeedManager.cs

@@ -0,0 +1,50 @@
+using System;
+using UnityEngine;
+
+namespace Ingvar.LiveWatch.TowerDefenceDemo
+{
+    public class GameSpeedManager : MonoBehaviour
+    {
+        public event Action SpeedChanged;
+        
+        public SpeedMode CurrentSpeed
+        {
+            get => _currentSpeed;
+            protected set
+            {
+                if (_currentSpeed == value)
+                    return;
+
+                _currentSpeed = value;
+                SpeedChanged?.Invoke();
+            }
+        }
+
+        private SpeedMode _currentSpeed;
+        
+        public void SetDefaultSpeed()
+        {
+            SetGameSpeed(SpeedMode.x1);
+        }
+        
+        public void SetGameSpeed(SpeedMode mode)
+        {
+            Time.timeScale = mode switch
+            {
+                SpeedMode.x1 => 1,
+                SpeedMode.x2 => 2,
+                SpeedMode.x4 => 4,
+                _ => throw new ArgumentOutOfRangeException(nameof(mode), mode, null)
+            };
+
+            CurrentSpeed = mode;
+        }
+    }
+     
+    public enum SpeedMode
+    {
+        x1,
+        x2,
+        x4
+    }
+}