dwweb-h5/2018专题/1806全景图专题-H5/js/lib/DeviceOrientationControls.js

/**
 * @author richt / http://richt.me
 * @author WestLangley / http://github.com/WestLangley
 *
 * W3C Device Orientation control (http://w3c.github.io/deviceorientation/spec-source-orientation.html)
 */
import THREE from '../../node_modules/three/build/three.module';

console.log(THREE)

// THREE.DeviceOrientationControls = function ( object ) {

// 	var scope = this;

// 	this.object = object;
// 	this.object.rotation.reorder( 'YXZ' );

// 	this.enabled = true;

// 	this.deviceOrientation = {};
// 	this.screenOrientation = 0;

// 	this.alphaOffset = 0; // radians

// 	var onDeviceOrientationChangeEvent = function ( event ) {

// 		scope.deviceOrientation = event;

// 	};

// 	var onScreenOrientationChangeEvent = function () {

// 		scope.screenOrientation = window.orientation || 0;

// 	};

// 	// The angles alpha, beta and gamma form a set of intrinsic Tait-Bryan angles of type Z-X'-Y''

// 	var setObjectQuaternion = function () {

// 		var zee = new THREE.Vector3( 0, 0, 1 );

// 		var euler = new THREE.Euler();

// 		var q0 = new THREE.Quaternion();

// 		var q1 = new THREE.Quaternion( - Math.sqrt( 0.5 ), 0, 0, Math.sqrt( 0.5 ) ); // - PI/2 around the x-axis

// 		return function ( quaternion, alpha, beta, gamma, orient ) {

// 			euler.set( beta, alpha, - gamma, 'YXZ' ); // 'ZXY' for the device, but 'YXZ' for us

// 			quaternion.setFromEuler( euler ); // orient the device

// 			quaternion.multiply( q1 ); // camera looks out the back of the device, not the top

// 			quaternion.multiply( q0.setFromAxisAngle( zee, - orient ) ); // adjust for screen orientation

// 		};

// 	}();

// 	this.connect = function () {

// 		onScreenOrientationChangeEvent(); // run once on load

// 		window.addEventListener( 'orientationchange', onScreenOrientationChangeEvent, false );
// 		window.addEventListener( 'deviceorientation', onDeviceOrientationChangeEvent, false );

// 		scope.enabled = true;

// 	};

// 	this.disconnect = function () {

// 		window.removeEventListener( 'orientationchange', onScreenOrientationChangeEvent, false );
// 		window.removeEventListener( 'deviceorientation', onDeviceOrientationChangeEvent, false );

// 		scope.enabled = false;

// 	};

// 	this.update = function () {

// 		if ( scope.enabled === false ) return;

// 		var device = scope.deviceOrientation;

// 		if ( device ) {

// 			var alpha = device.alpha ? THREE.Math.degToRad( device.alpha ) + scope.alphaOffset : 0; // Z

// 			var beta = device.beta ? THREE.Math.degToRad( device.beta ) : 0; // X'

// 			var gamma = device.gamma ? THREE.Math.degToRad( device.gamma ) : 0; // Y''

// 			var orient = scope.screenOrientation ? THREE.Math.degToRad( scope.screenOrientation ) : 0; // O

// 			setObjectQuaternion( scope.object.quaternion, alpha, beta, gamma, orient );

// 		}


// 	};

// 	this.dispose = function () {

// 		scope.disconnect();

// 	};

// 	this.connect();

// };