Файл: Space race/bkcore.coffee/controllers/OrientationController.js
Строк: 151
<?php
// Generated by CoffeeScript 1.4.0
/*
OrientationController (Orientation + buttons) for touch devices
@class bkcore.OrientationController
@author Thibaut 'BKcore' Despoulain <http://bkcore.com>
*/
(function() {
var OrientationController, exports, _base;
OrientationController = (function() {
OrientationController.isCompatible = function() {
return 'DeviceOrientationEvent' in window;
};
/*
Creates a new OrientationController
@param dom DOMElement The element that will listen to touch events
@param registerTouch bool Enable touch detection
@param touchCallback function Callback for touches
*/
function OrientationController(dom, registerTouch, touchCallback) {
var _this = this;
this.dom = dom;
this.registerTouch = registerTouch != null ? registerTouch : true;
this.touchCallback = touchCallback != null ? touchCallback : null;
this.active = true;
this.alpha = 0.0;
this.beta = 0.0;
this.gamma = 0.0;
this.dalpha = null;
this.dbeta = null;
this.dgamma = null;
this.touches = null;
window.addEventListener('deviceorientation', (function(e) {
return _this.orientationChange(e);
}), false);
if (this.registerTouch) {
this.dom.addEventListener('touchstart', (function(e) {
return _this.touchStart(e);
}), false);
this.dom.addEventListener('touchend', (function(e) {
return _this.touchEnd(e);
}), false);
}
}
/*
@private
*/
OrientationController.prototype.orientationChange = function(event) {
if (!this.active) {
return;
}
if (this.dalpha === null) {
console.log("calbrate", event.beta);
this.dalpha = event.alpha;
this.dbeta = event.beta;
this.dgamma = event.gamma;
}
this.alpha = event.alpha - this.dalpha;
this.beta = event.beta - this.dbeta;
this.gamma = event.gamma - this.dgamma;
return false;
};
/*
@private
*/
OrientationController.prototype.touchStart = function(event) {
var touch, _i, _len, _ref;
if (!this.active) {
return;
}
_ref = event.changedTouches;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
touch = _ref[_i];
if (typeof this.touchCallback === "function") {
this.touchCallback(true, touch, event);
}
}
this.touches = event.touches;
return false;
};
/*
@private
*/
OrientationController.prototype.touchEnd = function(event) {
var touch, _i, _len, _ref;
if (!this.active) {
return;
}
_ref = event.changedTouches;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
touch = _ref[_i];
if (typeof this.touchCallback === "function") {
this.touchCallback(true, touch, event);
}
}
this.touches = event.touches;
return false;
};
return OrientationController;
})();
exports = exports != null ? exports : this;
exports.bkcore || (exports.bkcore = {});
(_base = exports.bkcore).controllers || (_base.controllers = {});
exports.bkcore.controllers.OrientationController = OrientationController;
}).call(this);
?>