void DrawLineBetweenJoints(OpenNI.SkeletonJoint first, OpenNI.SkeletonJoint second)
{
NISelectedPlayer player = playerSelection.GetPlayer(0);
OpenNI.SkeletonJointPosition firstJointPosition;
player.GetSkeletonJointPosition(first, out firstJointPosition);
OpenNI.SkeletonJointPosition secondJointPosition;
player.GetSkeletonJointPosition(second, out secondJointPosition);
if (firstJointPosition.Confidence <= 0.5 || secondJointPosition.Confidence <= 0.5)
{
return;
}
OpenNI.Point3D firstJointScreenPosition = depthGenerator.ConvertRealWorldToProjective(firstJointPosition.Position);
OpenNI.Point3D secondJointScreenPosition = depthGenerator.ConvertRealWorldToProjective(secondJointPosition.Position);
DrawLine.DrawSimpleLine(ref mapPixels,
(int)(width - firstJointScreenPosition.X / factor), (int)(height - firstJointScreenPosition.Y / factor),
(int)(width - secondJointScreenPosition.X / factor), (int)(height - secondJointScreenPosition.Y / factor),
width, height,
Color.white);
}
/// <summary>
/// Converts a JointDictionary with 3D data to the corresponding one
/// with 2D data. Note that the Z-Coordinate is left unchanged, though
/// it has no meaning in the resulting 2D space and can be seen as 0.
/// </summary>
public JointDictionary Convert3Dto2D(JointDictionary source, DepthGenerator generator)
{
if (!source.Is3DData)
return new JointDictionary(source);
else
{
JointDictionary ret = new JointDictionary(false);
foreach (SkeletonJoint joint in source.Keys)
{
SkeletonJointPosition pos = new SkeletonJointPosition();
pos.Confidence = source[joint].Confidence;
pos.Position = generator.ConvertRealWorldToProjective(source[joint].Position);
ret.Add(joint, pos);
}
return ret;
}
}