Added ImGui

GlitchyEngine/src/GameTime.bf

@@ -0,0 +1,90 @@
+using System;
+using System.Diagnostics;
+
+namespace GlitchyEngine
+{
+	/**
+	 * A timer providing functionality to meassure frame times and game runtime.
+	*/
+	public class GameTime : Stopwatch
+	{
+		private uint64 _frameCount;
+
+		private TimeSpan _totalTime;
+		private TimeSpan _frameTime;
+
+		/**
+		The amount of time that has passed since the timer was started.
+		*/
+		public TimeSpan TotalTime => _totalTime;
+		/**
+		The amount of time that has passed since the start of the last frame.
+		*/
+		public TimeSpan FrameTime => _frameTime;
+		/**
+		The number of frames that have been computed since the timer was started.
+		*/
+		public uint64 FrameCount => _frameCount;
+
+		private Stopwatch _stopWatch ~ delete _;
+
+		public this() : base(){}
+
+		/**
+		 * Initializes a new instance of a GameTime.
+		 * @param startNow If set to true, the timer will start immediately.
+		 *				   If set to false, the timer has to be started manually.
+		 */
+		public this(bool startNow) : base(startNow){}
+		
+		/**
+		 * Starts or continues the internal timer.
+		 */
+		public new void Start()
+		{
+			_stopWatch.Start();
+		}
+		
+		/**
+		 * Restarts the internal timer and resets the counters.
+		 */
+		public new void Restart()
+		{
+			_totalTime = 0;
+			_frameTime = 0;	
+			_frameCount = 0;
+			base.Restart();
+		}
+
+		/**
+		 * Stops the internal timer.
+		 */
+		public new void Stop()
+		{
+			base.Stop();
+		}
+
+		/**
+		 * Resets the timer.
+		 */
+		public new void Reset()
+		{
+			_totalTime = 0;
+			_frameTime = 0;
+			_frameCount = 0;
+			base.Reset();
+		}
+
+		/**
+		 * Tells the timer that a frame has passed and updates the counters.
+		 */
+		public void Tick()
+		{
+			TimeSpan old = _totalTime;
+			_totalTime = Elapsed;
+			_frameTime = _totalTime - old;
+
+			_frameCount++;
+		}
+	}
+}