51 lines
1.2 KiB
JavaScript
51 lines
1.2 KiB
JavaScript
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/** @namespace */
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var THREEx = THREEx || {};
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THREEx.DeviceOrientationState = function()
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{
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// to store the current state
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this._state = { x: 0, y: 0, z: 0 };
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this._$callback = function(event){ this._onDeviceOrientation(event); }.bind(this);
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// bind events
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// - spec http://dev.w3.org/geo/api/spec-source-orientation.html
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window.addEventListener('deviceorientation', this._$callback);
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}
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/**
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* To stop listening of the keyboard events
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*/
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THREEx.DeviceOrientationState.prototype.destroy = function()
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{
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// unbind events
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window.removeEventListener('deviceorientation', this._$callback);
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}
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/**
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* to process the keyboard dom event
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*/
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THREEx.DeviceOrientationState.prototype._onDeviceOrientation = function(event)
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{
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this._state.x = (!event.alpha ? 0 : event.alpha) * Math.PI / 180;
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this._state.y = (!event.beta ? 0 : event.beta ) * Math.PI / 180;
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this._state.z = (!event.gamma ? 0 : event.gamma) * Math.PI / 180;
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}
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THREEx.DeviceOrientationState.prototype.angleX = function()
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{
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return this._state.x;
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}
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THREEx.DeviceOrientationState.prototype.angleY = function()
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{
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return this._state.y;
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}
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THREEx.DeviceOrientationState.prototype.angleZ = function()
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{
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return this._state.z;
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}
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