Added FPS Counter => Calculates FPS and Avg FPS

Author: Sacristan

Scripts/Helpers/FPSCounter.cs

@@ -0,0 +1,42 @@
+using UnityEngine;
+
+public class FPSCounter : MonoBehaviour
+{
+    [SerializeField]
+    private float updateInterval = 0.1f;
+
+    private float accum = 0.0f;
+    private int frames = 0;
+    private float timeleft;
+
+    int qty;
+
+    float fps;
+    float avgFps;
+
+    void Update()
+    {
+        timeleft -= Time.deltaTime;
+        accum += Time.timeScale / Time.deltaTime;
+        ++frames;
+
+        if (timeleft <= 0.0)
+        {
+            fps = (accum / frames);
+            timeleft = updateInterval;
+            accum = 0f;
+            frames = 0;
+        }
+
+        qty++;
+
+        avgFps += (fps - avgFps) / qty;
+    }
+
+    void OnGUI()
+    {
+        GUI.Label(new Rect(Screen.width - 150, 0, 150, 20), "FPS: " + fps.ToString("f2"));
+        GUI.Label(new Rect(Screen.width - 150, 20, 150, 20), "Avg FPS: " + avgFps.ToString("f2"));
+    }
+
+}