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example.js
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example.js
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/**
* Copyright (c) 2014 Famous Industries, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* @license MIT
*/
/**
* RotateSync
* ------------
*
* RotateSync handles piped-in two-finger touch events to support rotation.
* It outputs an object with position, velocity, touches, and angle.
*
* In this example, we create a RotateSync and display the data
* it receives to the screen.
*/
define(function(require, exports, module) {
var Engine = require("famous/core/Engine");
var Surface = require("famous/core/Surface");
var RotateSync = require("famous/inputs/RotateSync");
var mainContext = Engine.createContext();
var start = 0;
var update = 0;
var end = 0;
var direction = "";
var angle = 0;
var delta = 0;
var rotateSync = new RotateSync();
Engine.pipe(rotateSync);
var contentTemplate = function() {
return "<div>Start Count: " + start + "</div>" +
"<div>End Count: " + end + "</div>" +
"<div>Update Count: " + update + "</div>" +
"<div>Direction: " + direction + "</div>" +
"<div>Delta: " + delta.toFixed(3) + "</div>" +
"<div>Angle: " + angle.toFixed(3) + "</div>";
};
var surface = new Surface({
size: [undefined, undefined],
classes: ['grey-bg'],
content: contentTemplate()
});
rotateSync.on("start", function() {
start++;
angle = 0;
surface.setContent(contentTemplate());
});
rotateSync.on("update", function(data) {
update++;
direction = data.velocity > 0 ? "Clockwise" : "Counter-Clockwise";
angle = data.angle;
delta = data.delta;
surface.setContent(contentTemplate());
});
rotateSync.on("end", function() {
end++;
surface.setContent(contentTemplate());
});
mainContext.add(surface);
});