Updated README.md

Author: Vangos

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README.md

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-# Kinect-Drawing
+# Kinect Drawing
 A simple drawing app using Kinect, C#, and XAML.
+
+This short demo project will show you the following:
+* How to track a hand using Kinect version 2.
+* How to display the camera stream.
+* How to draw the trail of the hand on top of a XAML canvas.
+
+## Prerequisites
+Kinect version 2
+* [Kinect for Windows v2 sensor](http://amzn.to/1DQtBSV) or [Kinect for XBOX sensor](http://amzn.to/1AvdswC) with an [adapter](http://amzn.to/1wPJG55)
+* [Kinect for Windows SDK v2](http://www.microsoft.com/en-us/download/details.aspx?id=44561)
+* Visual Studio 2013 or higher
+
+## How to run
+Simply download the project and hit "Start" using Visual Studio. This project is a showcase demo.
+
+## XAML Canvas
+
+		<Image Name="camera" />
+		<Canvas Name="canvas">
+			<local:DrawingBrush x:Name="brush" Width="300" Height="300" />
+			<Polyline Name="trail" Stroke="Red" StrokeThickness="15">
+				<Polyline.Effect>
+					<BlurEffect Radius="20" />
+				</Polyline.Effect>
+			</Polyline>
+		</Canvas>
+
+## Drawing in C#
+
+		Joint handRight = body.Joints[JointType.HandRight];
+
+		if (handRight.TrackingState != TrackingState.NotTracked)
+		{
+			CameraSpacePoint handRightPosition = handRight.Position;
+			ColorSpacePoint handRightPoint = _sensor.CoordinateMapper.MapCameraPointToColorSpace(handRightPosition);
+
+			float x = handRightPoint.X;
+			float y = handRightPoint.Y;
+
+			if (!float.IsInfinity(x) && ! float.IsInfinity(y))
+			{
+				// DRAW!
+				trail.Points.Add(new Point { X = x, Y = y });
+			}
+		}
+
+## Contributors
+* [Vangos Pterneas](http://pterneas.com) from [LightBuzz](http://lightbuzz.com)
+
+## License
+You are free to use this source code in personal and commercial projects. Licensed under the [MIT License](https://github.com/LightBuzz/Kinect-Drawing/blob/master/LICENSE).