author | cavaliet |
Mon, 13 Oct 2014 17:53:00 +0200 | |
changeset 15 | f1ae020c2872 |
parent 14 | 30ee8c47e48f |
child 16 | 3343e89b04a1 |
permissions | -rw-r--r-- |
14 | 1 |
var sock = null; |
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var ellog = null; |
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function log(m) { |
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ellog.innerHTML += m + '\n'; |
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ellog.scrollTop = ellog.scrollHeight; |
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}; |
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//Config vars |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
diff
changeset
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var sceneWidth = 1000; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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diff
changeset
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var sceneHeight = 128 * 4; // multiple of 128 because of 128 levels in midi signals -> better look |
14 | 13 |
var sceneBgColor = 0x66FF99; |
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var manualFramerate = 24; |
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var pixelsPerSecond = 50; // nb of pixels per second |
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var lineInterval = 2000; // means line every 2 seconds |
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var nbLines = 0; |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
diff
changeset
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//var speed = 1; // container -x position at each frame. Speed = 1 ~ 100px for 2 seconds |
14 | 19 |
var zeroTime = new Date("2014-10-06T12:16:43.000000Z").getTime(); |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
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changeset
|
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var noteDict = {}; |
14 | 21 |
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//create an new instance of a pixi stage |
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var stage = new PIXI.Stage(sceneBgColor); |
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//create a renderer instance. |
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var renderer = PIXI.autoDetectRenderer(sceneWidth, sceneHeight); |
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//add the renderer view element to the DOM |
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document.body.appendChild(renderer.view); |
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//requestAnimFrame( animate ); |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
diff
changeset
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34 |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
diff
changeset
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//Draw 127 lines |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var delta = sceneHeight / 128; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
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for(var i=1;i<128;i++){ |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
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var graphics = new PIXI.Graphics(); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.beginFill(0xFFFF00); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.lineStyle(1, 0xAAAAAA); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var y = delta * i; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.moveTo(0, y); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.lineTo(sceneWidth, y); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.endFill(); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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stage.addChild(graphics); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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} |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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14 | 49 |
var uberContainer = new PIXI.DisplayObjectContainer(); |
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uberContainer.position.x = Math.floor(sceneWidth*4/5); |
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uberContainer.position.y = 0; |
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stage.addChild(uberContainer); |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
diff
changeset
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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14 | 55 |
var container = new PIXI.DisplayObjectContainer(); |
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container.position.x = 0; |
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container.position.y = 0; |
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uberContainer.addChild(container); |
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//create a texture from an image path |
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var texture = PIXI.Texture.fromImage("bunny.png"); |
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/*function animate() { |
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requestAnimFrame( animate ); |
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// just for fun, lets rotate mr rabbit a little |
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//bunny.rotation += 0.1; |
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container.x -= speed; |
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//console.log("container.x = ", container.x); |
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// render the stage |
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renderer.render(stage); |
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}*/ |
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function moveContainer() { |
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container.x -= pixelsPerSecond/manualFramerate; |
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renderer.render(stage); |
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} |
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function addBunny(data){ |
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f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
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var note = data.content[3]; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
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var velocity = data.content[4]; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
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if(velocity===0){ |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
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if(note in noteDict){ |
f1ae020c2872
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// We close the note |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var beginTime = new Date(noteDict[note].ts).getTime(); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var beginDelta = beginTime - zeroTime; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
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var durationDelta = new Date(data.ts).getTime() - beginTime; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var beginX = beginDelta * pixelsPerSecond / 1000; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var width = durationDelta * pixelsPerSecond / 1000; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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// We draw the rectangle |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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var graphics = new PIXI.Graphics(); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.beginFill(0x0000AA, (noteDict[note].velocity / 128)); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
diff
changeset
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var y = (128-note) * sceneHeight / 128; // (128-note) because y = 0 is for note = 128 and y = 128 for note = 0 |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
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changeset
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graphics.drawRect(beginX, y, width, sceneHeight / 128); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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graphics.endFill(); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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//console.log("diff temporelle = ", x); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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container.addChild(graphics); |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
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delete noteDict[note]; |
f1ae020c2872
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cavaliet
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} |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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} |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
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else{ |
f1ae020c2872
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noteDict[note] = {ts: data.ts, velocity:velocity}; |
f1ae020c2872
piano roll works fine... and needs visual enhancement
cavaliet
parents:
14
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changeset
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} |
14 | 104 |
} |
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window.onload = function() { |
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ellog = document.getElementById('log'); |
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var wsuri; |
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if (window.location.protocol === "file:") { |
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wsuri = "ws://127.0.0.1:8090/broadcast"; |
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} else { |
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wsuri = "ws://" + window.location.hostname + ":8090/broadcast"; |
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} |
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if ("WebSocket" in window) { |
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sock = new WebSocket(wsuri); |
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} else if ("MozWebSocket" in window) { |
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sock = new MozWebSocket(wsuri); |
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} else { |
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log("Browser does not support WebSocket!"); |
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window.location = "http://autobahn.ws/unsupportedbrowser"; |
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} |
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if (sock) { |
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sock.onopen = function() { |
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log("Connected to " + wsuri); |
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} |
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sock.onclose = function(e) { |
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log("Connection closed (wasClean = " + e.wasClean + ", code = " + e.code + ", reason = '" + e.reason + "')"); |
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sock = null; |
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} |
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sock.onmessage = function(e) { |
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log("Got message: " + e.data); |
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addBunny(JSON.parse(e.data)); |
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} |
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} |
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}; |
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function addLine(){ |
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nbLines++; |
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var graphics = new PIXI.Graphics(); |
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var x = nbLines * (lineInterval/1000) * pixelsPerSecond; |
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console.log("nbLines = ",nbLines, "x = ", x); |
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graphics.beginFill(0xFFFF00); |
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graphics.lineStyle(1, 0x444444); |
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graphics.moveTo(x, 0); |
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graphics.lineTo(x, sceneHeight); |
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graphics.endFill(); |
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container.addChild(graphics); |
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} |
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var moveInterval = window.setInterval(moveContainer, 1000/manualFramerate); |
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var linesInterval = window.setInterval(addLine, lineInterval); |