/// <summary>
/// Gets the depths in mm at the given pixel on screen, or -1 if invalid.
/// </summary>
/// <param name="x">The x coordinate on screen</param>
/// <param name="y">The y coordinate on screen</param>
/// <param name="screenSize">The size of the screen</param>
/// <returns>The depth, in mm</returns>
public static int GetDepthAtPixel(int x, int y, Size screenSize)
{
checkStarted();
if (depthData == null) return -1;
int dx = x * depthFrameWidth / screenSize.Width;
int dy = y * depthFrameHeight / screenSize.Height;
int index = dy * depthFrameWidth + dx;
if (index >= 0 && index < depthData.Length)
{
return depthData[index] >> DepthImageFrame.PlayerIndexBitmaskWidth;
}
return -1;
}
protected override void Initialize()
{
base.Initialize();
resolution = GetResolution();
graphics.PreferredBackBufferWidth = resolution.Width;
graphics.PreferredBackBufferHeight = resolution.Height;
graphics.ApplyChanges();
KinectManager.Start();
StartGame(GetKinnectGame());
}
public GameParameters(Size resolution, GraphicsDeviceManager graphics, GameWindow window)
{
this.Resolution = resolution;
this.Graphics = graphics;
this.Window = window;
}
/// <summary>
/// Creates a KinectGame. This constructor should not
/// be overridden.
/// </summary>
/// <param name="gParams">The GameParameters describing the environment in which the game is running.</param>
public KinectGame(GameParameters gParams)
{
resolution = gParams.Resolution;
graphics = gParams.Graphics;
window = gParams.Window;
}
/// <summary>
/// Returns the depth in mm at the given SkeletonPoint, or -1 if the point is invalid.
/// </summary>
/// <param name="point">The point to check</param>
/// <returns>The depth, in mm</returns>
public static int GetDepthAtPoint(SkeletonPoint point)
{
Size depthSize = new Size(depthFrameWidth, depthFrameHeight);
Microsoft.Xna.Framework.Vector2 pos = GetSkeletonPointPosOnScreen(point, depthSize);
int x = (int)pos.X, y = (int)pos.Y;
return GetDepthAtPixel(x, y, depthSize);
}
private static void onKinectVideoFrameReady(object sender, ColorImageFrameReadyEventArgs e)
{
//Debug.WriteLine(DateTime.Now.ToString());
// Open image
ColorImageFrame colorVideoFrame = e.OpenColorImageFrame();
if (colorVideoFrame != null)
{
//Create array for pixel data and copy it from the image frame
Byte[] pixelData = new Byte[colorVideoFrame.PixelDataLength];
colorVideoFrame.CopyPixelDataTo(pixelData);
//Convert RGBA to BGRA
Byte[] bgraPixelData = new Byte[colorVideoFrame.PixelDataLength];
for (int i = 0; i < pixelData.Length; i += 4)
{
bgraPixelData[i] = pixelData[i + 2];
bgraPixelData[i + 1] = pixelData[i + 1];
bgraPixelData[i + 2] = pixelData[i];
bgraPixelData[i + 3] = (Byte)255; //The video comes with 0 alpha so it is transparent
}
colorFrameSize = new Size(colorVideoFrame.Width, colorVideoFrame.Height);
colorFrameData = bgraPixelData;
if (colorFrameTexture != null) colorFrameTexture.Dispose();
colorFrameTexture = null;
colorVideoFrame.Dispose();
}
}
/// <summary>
/// Gets the position of a SkeletonPoint on the screen.
/// </summary>
/// <param name="point">The point</param>
/// <param name="screenSize">The size of the screen.</param>
/// <returns>The position on the screen of the point</returns>
public static Microsoft.Xna.Framework.Vector2 GetSkeletonPointPosOnScreen(SkeletonPoint point, Size screenSize)
{
checkStarted();
Kinect.Toolbox.Vector2 v = Tools.Convert(kinect, point);
return new Microsoft.Xna.Framework.Vector2(v.X * screenSize.Width, v.Y * screenSize.Height);
}
/// <summary>
/// Gets the position of a Skeleton's Joint on the screen.
/// </summary>
/// <param name="joint">The joint</param>
/// <param name="screenSize">The size of the screen.</param>
/// <returns>The position on the screen of the Joint</returns>
public static Microsoft.Xna.Framework.Vector2 GetJointPosOnScreen(Joint joint, Size screenSize)
{
return GetSkeletonPointPosOnScreen(joint.Position, screenSize);
}
