Added some vars and funcs for testing. Added more fair fps counter and frame counter

2DGAMELIB/_2DGAMELIB/RealFpsCounter.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Text;
+
+namespace _2DGAMELIB
+{
+    internal class RealFpsCounter
+    {
+        private readonly Stopwatch sw = Stopwatch.StartNew();
+        private int frames;
+        private long lastTicks;
+        public double Value { get; private set; }
+
+        public void Frame()
+        {
+            frames++;
+
+            long now = sw.ElapsedTicks;
+            long delta = now - lastTicks;
+
+            if (delta >= Stopwatch.Frequency)
+            {
+                Value = frames / (delta / (double)Stopwatch.Frequency);
+                frames = 0;
+                lastTicks = now;
+            }
+        }
+    }
+}