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Assets/Mirror/Examples/_Common/Scripts/FPS.cs

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+using UnityEngine;
+
+namespace Mirror.Examples.Common
+{
+    [AddComponentMenu("")]
+    public class FPS : MonoBehaviour
+    {
+        // fps accessible to the outside
+        public int framesPerSecond { get; private set; }
+
+        // configuration
+        public bool showGUI = true;
+        public bool showLog = false;
+
+        // helpers
+        int count;
+        double startTime;
+
+        protected void Update()
+        {
+            ++count;
+            if (Time.time >= startTime + 1)
+            {
+                framesPerSecond = count;
+                startTime = Time.time;
+                count = 0;
+                if (showLog) Debug.Log($"FPS: {framesPerSecond}");
+            }
+        }
+
+        protected void OnGUI()
+        {
+            if (!showGUI) return;
+
+            GUI.Label(new Rect(Screen.width - 100, 0, 70, 25), $"FPS: {framesPerSecond}");
+        }
+    }
+}