BodySender

BodySender.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnetLLAPISample;
using UnityEngine;
using Kinect = Windows.Kinect;

[Serializable]
public struct SimpleBody
{
    public List<SimpleJoint> Joints;
}

[Serializable]
public struct SimpleJoint
{
    public Vector3 Position;
    public int TrackingState;
}

public class BodySender : MonoBehaviour {
    public LLAPINetworkManager NetworkManager;
    public GameObject BodySourceManager;

    private BodySourceManager _BodyManager;

    void Update()
    {
        if (BodySourceManager == null)
        {
            return;
        }

        _BodyManager = BodySourceManager.GetComponent<BodySourceManager>();
        if (_BodyManager == null)
        {
            return;
        }

        Kinect.Body[] data = _BodyManager.GetData();
        if (data == null)
        {
            return;
        }

        SimpleBody simpleBody = new SimpleBody();
        foreach (var body in data) {
            simpleBody = GenerateSimpleBody(body);
            if (body.IsTracked)
            {
                break;
            }
        }

        byte[] sendData;
        string serialisedMsg = JsonUtility.ToJson(simpleBody);

        using (var memoryStream = new MemoryStream())
        {
            using (var gzipStream = new Unity.IO.Compression.GZipStream(memoryStream, Unity.IO.Compression.CompressionMode.Compress))
            using (var writer = new StreamWriter(gzipStream))
            {
                writer.Write(serialisedMsg);
            }
            sendData = memoryStream.ToArray();
        }
        NetworkManager.SendPacketData(sendData, UnityEngine.Networking.QosType.Unreliable);
    }

    SimpleBody GenerateSimpleBody(Kinect.Body body)
    {
        SimpleBody simpleBody;
        var joints = new List<SimpleJoint>();

        for (Kinect.JointType jt = Kinect.JointType.SpineBase; jt <= Kinect.JointType.ThumbRight; jt++)
        {
            Kinect.Joint joint = body.Joints[jt];
            SimpleJoint sendJoint;
            sendJoint.Position = GetVector3FromJoint(joint);
            sendJoint.TrackingState = (int)joint.TrackingState;
            joints.Add(sendJoint);
        }
        simpleBody.Joints = joints;
        return simpleBody;
    }

    private static Vector3 GetVector3FromJoint(Kinect.Joint joint)
    {
        return new Vector3(joint.Position.X, joint.Position.Y, -joint.Position.Z);
    }
}