updated app

node_modules/derby-examples/sink/lib/app/bindings-bench.js

@@ -0,0 +1,118 @@
+// Generated by CoffeeScript 1.3.1
+var N, app, get, ready, render, _ref;
+
+_ref = app = require('./index'), get = _ref.get, ready = _ref.ready;
+
+render = require('./shared').render;
+
+N = 100;
+
+get('/bindings-bench', function(page, model) {
+  var boxes, i, _i;
+  boxes = [];
+  for (i = _i = 0; 0 <= N ? _i < N : _i > N; i = 0 <= N ? ++_i : --_i) {
+    boxes.push({
+      count: 0,
+      top: 0,
+      left: 0,
+      color: 0,
+      content: 0,
+      i: i
+    });
+  }
+  model.set('_boxes', boxes);
+  return render(page, 'bindingsBench', {
+    modes: ['setProperty', 'setBox', 'setAll']
+  });
+});
+
+ready(function(model) {
+  var boxValue, boxes, fn, frames, modes, run, setAll, setBox, setProperty, start, tickBox, tickProperty, timeout;
+  boxes = model.at('_boxes');
+  tickProperty = function(box) {
+    var count;
+    count = box.incr('count');
+    box.set('top', Math.sin(count / 10) * 10);
+    box.set('left', Math.cos(count / 10) * 10);
+    box.set('color', count % 255);
+    return box.set('content', count % 100);
+  };
+  setProperty = function() {
+    var i, _i;
+    for (i = _i = 0; 0 <= N ? _i < N : _i > N; i = 0 <= N ? ++_i : --_i) {
+      tickProperty(boxes.at(i));
+    }
+  };
+  tickBox = function(box, i) {
+    var count;
+    count = box.get('count') + 1;
+    return box.set({
+      count: count,
+      top: Math.sin(count / 10) * 10,
+      left: Math.cos(count / 10) * 10,
+      color: count % 255,
+      content: count % 100,
+      i: i
+    });
+  };
+  setBox = function() {
+    var i, _i;
+    for (i = _i = 0; 0 <= N ? _i < N : _i > N; i = 0 <= N ? ++_i : --_i) {
+      tickBox(boxes.at(i), i);
+    }
+  };
+  boxValue = function(box, i) {
+    var count;
+    count = box.count + 1;
+    return {
+      count: count,
+      top: Math.sin(count / 10) * 10,
+      left: Math.cos(count / 10) * 10,
+      color: count % 255,
+      content: count % 100,
+      i: i
+    };
+  };
+  setAll = function() {
+    var box, i, previous, value, _i, _len;
+    previous = boxes.get();
+    value = [];
+    for (i = _i = 0, _len = previous.length; _i < _len; i = ++_i) {
+      box = previous[i];
+      value.push(boxValue(box, i));
+    }
+    return boxes.set(value);
+  };
+  frames = 0;
+  start = fn = timeout = null;
+  run = function() {
+    var fps;
+    fn();
+    if (frames++ === 20) {
+      fps = frames * 1000 / (new Date - start);
+      model.set('_fps', fps.toFixed(1));
+      frames = 0;
+      start = +(new Date);
+    }
+    return timeout = setTimeout(run, 0);
+  };
+  modes = {
+    setProperty: setProperty,
+    setBox: setBox,
+    setAll: setAll
+  };
+  app.start = function(e, el) {
+    var mode;
+    clearTimeout(timeout);
+    mode = el.innerHTML;
+    model.set('_bindProperties', mode === 'setProperty');
+    model.set('_mode', mode);
+    fn = modes[mode];
+    frames = 0;
+    start = +(new Date);
+    return run();
+  };
+  return app.stop = function() {
+    return clearTimeout(timeout);
+  };
+});