npm install kinect2

var Kinect2 = require('../../lib/kinect2'),

	express = require('express'),

	app = express(),

	server = require('http').createServer(app),

	io = require('socket.io').listen(server);

var kinect = new Kinect2();

// 打开kinect

if(kinect.open()) {

	// 监听8000端口

	server.listen(8000);

	// 指定请求指向根目录

	app.get('/', function(req, res) {

		res.sendFile(__dirname + '/public/index.html');

	});

	// 将骨骼数据发送给浏览器端

	kinect.on('bodyFrame', function(bodyFrame){

		io.sockets.emit('bodyFrame', bodyFrame);

	});

	// 开始读取骨骼数据

	kinect.openBodyReader();

}

var socket = io.connect('/');

var ctx = canvas.getContext('2d');

socket.on('bodyFrame', function(bodyFrame){

	ctx.clearRect(0, 0, canvas.width, canvas.height);

	var index = 0;

	// 遍历所有骨骼数据

	bodyFrame.bodies.forEach(function(body){

		if(body.tracked) {

			for(var jointType in body.joints) {

				var joint = body.joints[jointType];

				ctx.fillStyle = colors[index];

				// 如果骨骼节点为脊椎中点

				if(jointType == 1) {

					ctx.fillStyle = colors[2];

				}

				ctx.fillRect(joint.depthX * 512, joint.depthY * 424, 10, 10);

			}

			// 识别左右手手势

			updateHandState(body.leftHandState, body.joints[7]);

			updateHandState(body.rightHandState, body.joints[11]);

			index++;

		}

	});

});

kinect.on('bodyFrame', function(bodyFrame){}); //还有哪些数据类型呢？

body.joints[11] // joints包括哪些呢？

var emitColorFrame = false;

io.sockets.on('connection', function (socket){

	socket.on('startColorFrame', function(data){

		emitColorFrame = true;

	});

});

kinect.on('multiSourceFrame', function(frame){

	// 发送玩家骨骼数据

	io.sockets.emit('bodyFrame', frame.body);

	// 玩家拍照

	if(emitColorFrame) {

		var compression = 1;

		var origWidth = 1920;

		var origHeight = 1080;

		var origLength = 4 * origWidth * origHeight;

		var compressedWidth = origWidth / compression;

		var compressedHeight = origHeight / compression;

		var resizedLength = 4 * compressedWidth * compressedHeight;

		var resizedBuffer = new Buffer(resizedLength);

		// ...

		// 照片数据过大，需要压缩提高传输性能

		zlib.deflate(resizedBuffer, function(err, result){

			if(!err) {

				var buffer = result.toString('base64');

				io.sockets.emit('colorFrame', buffer);

			}

		});

		emitColorFrame = false;

	}

});

kinect.openMultiSourceReader({

	frameTypes: Kinect2.FrameType.body | Kinect2.FrameType.color

});

(function(){

    importScripts('pako.inflate.min.js'); 

    var imageData;

    function init() {

        addEventListener('message', function (event) {

            switch (event.data.message) {

                case "setImageData":

                    imageData = event.data.imageData;

                    break;

                case "processImageData":

                    processImageData(event.data.imageBuffer);

                    break;

            }

        });

    }

    function processImageData(compressedData) {

        var imageBuffer = pako.inflate(atob(compressedData));

        var pixelArray = imageData.data;

        var newPixelData = new Uint8Array(imageBuffer);

        var imageDataSize = imageData.data.length;

        for (var i = 0; i < imageDataSize; i++) {

            imageData.data[i] = newPixelData[i];

        }

        for(var x = 0; x < 1920; x++) {

            for(var y = 0; y < 1080; y++) {

                var idx = (x + y * 1920) * 4;

                var r = imageData.data[idx + 0];

                var g = imageData.data[idx + 1];

                var b = imageData.data[idx + 2];

            }

        }

        self.postMessage({ "message": "imageReady", "imageData": imageData });

    }

    init();

})();

var tracks = this.tracks;

var len = tracks.length;

// 数据过滤

if(tracks[len-1] !== window.undefined) {

	if(Math.abs(n - tracks[len-1]) > 0.2) {

		return;

	}

}

this.tracks.push(n);

// 保留5个数据

if(this.tracks.length > 5) {

	this.tracks.shift();

} else {

	return;

}

// 位移总量

var dis = 0;

for(var i = 1; i < this.tracks.length; i++) {

	dis += this.tracks[i] - this.tracks[i-1];

}

if(Math.abs(dis) < 0.01) {

	this.stand();

} else {

	if(this.tracks[4] > this.tracks[3]) {

		this.turnRight();

	} else {

		this.turnLeft();

	}

	this.run();

}