diff -r 435d5c15275a -r 30ee8c47e48f pianoroll/app.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pianoroll/app.js	Mon Oct 13 16:47:37 2014 +0200
@@ -0,0 +1,130 @@
+var sock = null;
+var ellog = null;
+
+
+function log(m) {
+   ellog.innerHTML += m + '\n';
+   ellog.scrollTop = ellog.scrollHeight;
+};
+
+//Config vars
+var sceneWidth = 800;
+var sceneHeight = 400;
+var sceneBgColor = 0x66FF99;
+var manualFramerate = 24;
+var speed = 1; // container -x position at each frame. Speed = 1 ~ 110px for 2 seconds
+var pixelsPerSecond = 50; // nb of pixels per second
+var lineInterval = 2000; // means line every 2 seconds
+var nbLines = 0;
+
+var zeroTime = new Date("2014-10-06T12:16:43.000000Z").getTime();
+
+
+//create an new instance of a pixi stage
+var stage = new PIXI.Stage(sceneBgColor);
+
+//create a renderer instance.
+var renderer = PIXI.autoDetectRenderer(sceneWidth, sceneHeight);
+
+//add the renderer view element to the DOM
+document.body.appendChild(renderer.view);
+
+//requestAnimFrame( animate );
+
+var uberContainer = new PIXI.DisplayObjectContainer();
+uberContainer.position.x = Math.floor(sceneWidth*4/5);
+uberContainer.position.y = 0;
+stage.addChild(uberContainer);
+var container = new PIXI.DisplayObjectContainer();
+container.position.x = 0;
+container.position.y = 0;
+uberContainer.addChild(container);
+
+//create a texture from an image path
+var texture = PIXI.Texture.fromImage("bunny.png");
+
+
+/*function animate() {
+    requestAnimFrame( animate );
+    // just for fun, lets rotate mr rabbit a little
+    //bunny.rotation += 0.1;
+    container.x -= speed;
+    //console.log("container.x = ", container.x);
+    // render the stage  
+    renderer.render(stage);
+}*/
+
+function moveContainer() {
+    container.x -= pixelsPerSecond/manualFramerate;
+    renderer.render(stage);
+}
+
+function addBunny(data){
+    // create a new Sprite using the texture
+    var bunny = new PIXI.Sprite(texture);
+    // center the sprites anchor point
+    //bunny.anchor.x = 0.5;
+    //bunny.anchor.y = 0.5;
+    deltaMilliseconds = new Date(data.ts).getTime() - zeroTime;
+    //bunny.position.x = (sceneWidth / 2) - container.x;
+    //bunny.position.y = Math.floor(Math.random()*sceneHeight);
+    var x = deltaMilliseconds * pixelsPerSecond / 1000;
+    bunny.position.x = x;
+    bunny.position.y = Math.floor( data.content[3] * sceneHeight / 128 );
+    bunny.alpha = data.content[4] / 128;
+    console.log("diff temporelle = ", x);
+    container.addChild(bunny);
+}
+
+window.onload = function() {
+
+    ellog = document.getElementById('log');
+
+    var wsuri;
+    if (window.location.protocol === "file:") {
+       wsuri = "ws://127.0.0.1:8090/broadcast";
+    } else {
+       wsuri = "ws://" + window.location.hostname + ":8090/broadcast";
+    }
+    if ("WebSocket" in window) {
+       sock = new WebSocket(wsuri);
+    } else if ("MozWebSocket" in window) {
+       sock = new MozWebSocket(wsuri);
+    } else {
+       log("Browser does not support WebSocket!");
+       window.location = "http://autobahn.ws/unsupportedbrowser";
+    }
+
+    if (sock) {
+       sock.onopen = function() {
+          log("Connected to " + wsuri);
+       }
+
+       sock.onclose = function(e) {
+          log("Connection closed (wasClean = " + e.wasClean + ", code = " + e.code + ", reason = '" + e.reason + "')");
+          sock = null;
+       }
+
+       sock.onmessage = function(e) {
+          log("Got message: " + e.data);
+          addBunny(JSON.parse(e.data));
+       }
+    }
+};
+
+
+function addLine(){
+    nbLines++;
+    var graphics = new PIXI.Graphics();
+    var x = nbLines * (lineInterval/1000) * pixelsPerSecond;
+    console.log("nbLines = ",nbLines, "x = ", x);
+    graphics.beginFill(0xFFFF00);
+    graphics.lineStyle(1, 0x444444);
+    graphics.moveTo(x, 0);
+    graphics.lineTo(x, sceneHeight);
+    graphics.endFill();
+
+    container.addChild(graphics);
+}
+var moveInterval = window.setInterval(moveContainer, 1000/manualFramerate);
+var linesInterval = window.setInterval(addLine, lineInterval);