KinectReceiver

KinectReceiver.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 Body
{
    public Dictionary<Kinect.JointType, Joint> Joints;
}

public class Joint
{
    public Vector3 Position;
    public Kinect.TrackingState TrackingState;
}

public class KinectReceiver : MonoBehaviour
{
    public LLAPINetworkManager NetworkManager;
    public GameObject JointPrefab;

    private Body localBody;
    private GameObject bodyObject;

    private void Awake()
    {
        localBody = CreateBody();
        bodyObject = CreateBodyObject();
    }

    void Start()
    {
        NetworkManager.OnDataReceived += OnDataReceived;
    }

    Body CreateBody()
    {
        var body = new Body();
        var joints = new Dictionary<Kinect.JointType, Joint>();
        for (Kinect.JointType jt = Kinect.JointType.SpineBase; jt <= Kinect.JointType.ThumbRight; jt++)
        {
            var joint = new Joint();
            joint.Position = Vector3.zero;
            joint.TrackingState = Kinect.TrackingState.NotTracked;
            joints.Add(jt, joint);
        }
        body.Joints = joints;
        return body;
    }

    void OnDataReceived(object o, LLAPINetworkEventArgs e)
    {
        SimpleBody simpleBody = new SimpleBody();

        string output;
        var data = e.data;
        using (var inStream = new MemoryStream(data))
        using (var bigStream = new System.IO.Compression.GZipStream(inStream, System.IO.Compression.CompressionMode.Decompress))
        using (var reader = new StreamReader(bigStream))
        {
            output = reader.ReadToEnd();
        }
        simpleBody = JsonUtility.FromJson<SimpleBody>(output);

        for (Kinect.JointType jt = Kinect.JointType.SpineBase; jt <= Kinect.JointType.ThumbRight; jt++)
        {
            var j = localBody.Joints[jt];
            var sj = simpleBody.Joints[(int)jt];
            j.Position = sj.Position;
            j.TrackingState = (Kinect.TrackingState)sj.TrackingState;
        }
        DisplayBodyObject();
    }

    GameObject CreateBodyObject()
    {
        GameObject bodyObj = new GameObject("Body");
        for (Kinect.JointType jt = Kinect.JointType.SpineBase; jt <= Kinect.JointType.ThumbRight; jt++)
        {
            GameObject jointObj = Instantiate(JointPrefab);
            jointObj.name = jt.ToString();
            jointObj.transform.parent = bodyObj.transform;
        }
        return bodyObj;
    }

    void DisplayBodyObject()
    {
        for (Kinect.JointType jt = Kinect.JointType.SpineBase; jt <= Kinect.JointType.ThumbRight; jt++)
        {
            Joint sourceJoint = localBody.Joints[jt];
            Transform jointObj = bodyObject.transform.FindChild(jt.ToString());
            jointObj.localPosition = sourceJoint.Position;
        }
    }
}