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  • photo-sphere-viewer.js实现全景图

    photo-sphere-viewer.js是一个基于three.js的全景插件

    1、能添加热点;
    2、能调用陀螺仪;
    3、操作简单,提供一张全景图片即可(大多数手机都可以拍摄)

     

    官网:https://photo-sphere-viewer.js.org/

    使用方法很简单,直接去官网参考example和api使用文档,github上下载源码即可。

    建议不要找网上的,版本太老,api用法都不太一样了,功能也没有新版的完善。

     

    1、直接访问全景图(移动端自动调用陀螺仪)

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>全景图基础版-自动调用陀螺仪/title>
        
        <link rel="stylesheet" href="libs/photo-sphere-viewer.min.css"/>
        <script src="libs/three.min.js"></script>
        <script src="libs/browser.min.js"></script>
        <script src="libs/photo-sphere-viewer.min.js"></script>
        <script src="libs/gyroscope.js"></script>
        
        <div id="viewer"></div>
        
        <style>
          /* the viewer container must have a defined size */
          *{
              margin:0;
              padding:0;
          }
          #viewer {
            width: 100vw;
            height: 100vh;
          }
        </style>
        
        <script>var viewer = new PhotoSphereViewer.Viewer({
                container: document.querySelector('#viewer'),
                panorama: 'budi.jpg',
                plugins: [
                    PhotoSphereViewer.GyroscopePlugin,
                ],
                lang: {
                    gyroscope : 'Gyroscope',
                },
            });
          
            // 如果是移动端
            if(/Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)) {
                viewer.once('ready', function(){
                    document.querySelector('.psv-gyroscope-button').click();
                });
            }
        </script>
    </body>
    
    </html>

     注意:Photo Sphere Viewer的陀螺仪必须在https下才能开启,否则无效!!!

     

    2、使用iframe访问全景图

    这种情况下存在跨域iframe问题,需要使用post message进行父子组件通信

    (1)【父组件】iframe.html

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>全景图跨域iframe版-子组件</title>
        
        <style>
            *{
                margin:0;
                padding:0;
            }
            html,body,iframe {
                width: 100%;
                height: 100%;
            }
        </style>
    </head>
    
    <body>
        <iframe id="iframe" frameborder="no" border="0" marginwidth="0" marginheight="0" src="https://xxx.xxx.com/vr.html" scrolling="no"  allowTransparency="true"></iframe>
    
        <script>
        
        if (window.DeviceOrientationEvent) {
            window.addEventListener("deviceorientation", handleOrientation, false); // 组件iframe层  -- VR iframe层
        } else {
            alert("您的浏览器不支持HTML5 DeviceOrientation接口");
        }
    
        function handleOrientation(orientData){
            var absolute = orientData.absolute;
            var alpha = orientData.alpha;
            var beta = orientData.beta;
            var gamma = orientData.gamma;
    
            // Do stuff with the new orientation data
            var val = {
                "act": "gyroscope",
                "val": {
                    alpha: alpha,
                    beta: beta,
                    gamma: gamma
                }
            };
            //获取iframe
            var ifr = document.querySelector('#iframe');
    
            //iframe的路径
            var url = 'https://xxx.xxx.com/vr.html';
            ifr.contentWindow.postMessage(JSON.stringify(val), url);
        }
        </script>
    </body>
    
    </html>

     

     

    (2)【子组件】vr.html

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>全景图跨域iframe版-子组件</title>
        
        <link rel="stylesheet" href="libs/photo-sphere-viewer.min.css"/>
        <script src="libs/three.min.js"></script>
        <script src="libs/browser.min.js"></script>
        <script src="libs/photo-sphere-viewer.min.js"></script>
        <script src="libs/gyroscope.js"></script>
        
        <div id="viewer"></div>
        
        <style>
          /* the viewer container must have a defined size */
          *{
              margin:0;
              padding:0;
          }
          #viewer {
            width: 100vw;
            height: 100vh;
          }
        </style>
        
        <script>
            // 接收消息
            if(top !== self) {
                window.parent.postMessage("gyroscope", '*');
            }
            
            window.onmessage = function(event) {
                var data = eval('(' + event.data + ')');
                if (data.act === 'gyroscope') {
                    window.deviceOrientation = data.val;
                }
            }
            
            var viewer = new PhotoSphereViewer.Viewer({
                container: document.querySelector('#viewer'),
                panorama: 'budi.jpg',
                plugins: [
                    PhotoSphereViewer.GyroscopePlugin,
                ],
                lang: {
                    gyroscope : 'Gyroscope',
                },
            });
          
            // 如果是移动端
            if(/Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)) {
                viewer.once('ready', function(){
                    document.querySelector('.psv-gyroscope-button').click();
                });
            }
        </script>
    </body>
    
    </html>

     

    (3) 修改gyroscope.js (跟我需求一样的小伙伴直接复制替换即可)

    /*!
    * Photo Sphere Viewer 4.1.0
    * @copyright 2014-2015 J茅r茅my Heleine
    * @copyright 2015-2021 Damien "Mistic" Sorel
    * @licence MIT (https://opensource.org/licenses/MIT)
    */
    (function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('photo-sphere-viewer'), require('three')) :
    typeof define === 'function' && define.amd ? define(['photo-sphere-viewer', 'three'], factory) :
    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.PhotoSphereViewer = global.PhotoSphereViewer || {}, global.PhotoSphereViewer.GyroscopePlugin = factory(global.PhotoSphereViewer, global.THREE)));
    }(this, (function (photoSphereViewer, THREE) { 'use strict';

    function _extends() {
    _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i];

    for (var key in source) {
    if (Object.prototype.hasOwnProperty.call(source, key)) {
    target[key] = source[key];
    }
    }
    }

    return target;
    };

    return _extends.apply(this, arguments);
    }

    function _inheritsLoose(subClass, superClass) {
    subClass.prototype = Object.create(superClass.prototype);
    subClass.prototype.constructor = subClass;
    subClass.__proto__ = superClass;
    }

    function _assertThisInitialized(self) {
    if (self === void 0) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return self;
    }

    /**
    * W3C Device Orientation control (http://w3c.github.io/deviceorientation/spec-source-orientation.html)
    */

    var DeviceOrientationControls = function DeviceOrientationControls(object) {
    var scope = this;
    var changeEvent = {
    type: 'change'
    };
    var EPS = 0.000001;
    this.object = object;
    this.object.rotation.reorder('YXZ');
    this.enabled = true;
    this.deviceOrientation = {};
    this.screenOrientation = 0;
    this.alphaOffset = 0; // radians

    var onDeviceOrientationChangeEvent = function onDeviceOrientationChangeEvent(event) {
    console.log('????????????++++++++++++++')
    scope.deviceOrientation = event;
    };

    var onScreenOrientationChangeEvent = function onScreenOrientationChangeEvent() {
    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
    // onDeviceOrientationChangeEvent();
    // iOS 13+

    // if (window.DeviceOrientationEvent !== undefined && typeof window.DeviceOrientationEvent.requestPermission === 'function') {
    // window.DeviceOrientationEvent.requestPermission().then(function (response) {
    // if (response == 'granted') {
    // window.addEventListener('orientationchange', onScreenOrientationChangeEvent, false);
    // window.addEventListener('deviceorientation', onDeviceOrientationChangeEvent, false);
    // }
    // }).catch(function (error) {
    // console.error('THREE.DeviceOrientationControls: Unable to use DeviceOrientation API:', error);
    // });
    // } else {
    // // window.addEventListener('orientationchange', onScreenOrientationChangeEvent, false);
    // // window.addEventListener('deviceorientation', onDeviceOrientationChangeEvent, false);

    // if (top === self) {
    // window.addEventListener('orientationchange', onScreenOrientationChangeEvent, false);
    // window.addEventListener('deviceorientation', onDeviceOrientationChangeEvent, false);
    // }else{

    // }
    // }

    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 () {
    var lastQuaternion = new THREE.Quaternion();
    return function () {
    if (scope.enabled === false) return;

    var device = scope.deviceOrientation;

    // if (top !== self) {
    // device = window.deviceOrientation;
    // }

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

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

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

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

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

    if (8 * (1 - lastQuaternion.dot(scope.object.quaternion)) > EPS) {
    lastQuaternion.copy(scope.object.quaternion);
    scope.dispatchEvent(changeEvent);
    }
    }
    };
    }();

    this.dispose = function () {
    scope.disconnect();
    };

    this.connect();
    };

    DeviceOrientationControls.prototype = Object.create(THREE.EventDispatcher.prototype);
    DeviceOrientationControls.prototype.constructor = DeviceOrientationControls;

    var compass = "<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="currentColor" d="M50 0a50 50 0 1 0 0 100A50 50 0 0 0 50 0zm0 88.81a38.86 38.86 0 0 1-38.81-38.8 38.86 38.86 0 0 1 38.8-38.82A38.86 38.86 0 0 1 88.82 50 38.87 38.87 0 0 1 50 88.81z"/><path d="M72.07 25.9L40.25 41.06 27.92 74.12l31.82-15.18v-.01l12.32-33.03zM57.84 54.4L44.9 42.58l21.1-10.06-8.17 21.9z"/><!--Created by iconoci from the Noun Project--></svg> ";

    /**
    * @summary Navigation bar gyroscope button class
    * @extends PSV.buttons.AbstractButton
    * @memberof PSV.buttons
    */

    var GyroscopeButton = /*#__PURE__*/function (_AbstractButton) {
    _inheritsLoose(GyroscopeButton, _AbstractButton);

    /**
    * @param {PSV.components.Navbar} navbar
    */
    function GyroscopeButton(navbar) {
    var _this;

    _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-gyroscope-button', true) || this;
    /**
    * @type {PSV.plugins.GyroscopePlugin}
    * @readonly
    * @private
    */

    _this.plugin = _this.psv.getPlugin(GyroscopePlugin.id);

    if (_this.plugin) {
    _this.plugin.on(GyroscopePlugin.EVENTS.GYROSCOPE_UPDATED, _assertThisInitialized(_this));
    }

    return _this;
    }
    /**
    * @override
    */


    var _proto = GyroscopeButton.prototype;

    _proto.destroy = function destroy() {
    if (this.plugin) {
    this.plugin.off(GyroscopePlugin.EVENTS.GYROSCOPE_UPDATED, this);
    }

    delete this.plugin;

    _AbstractButton.prototype.destroy.call(this);
    }
    /**
    * @override
    */
    ;

    _proto.isSupported = function isSupported() {
    return !this.plugin ? false : {
    initial: false,
    promise: this.plugin.prop.isSupported
    };
    }
    /**
    * @summary Handles events
    * @param {Event} e
    * @private
    */
    ;

    _proto.handleEvent = function handleEvent(e) {
    if (e.type === GyroscopePlugin.EVENTS.GYROSCOPE_UPDATED) {
    this.toggleActive(e.args[0]);
    }
    }
    /**
    * @override
    * @description Toggles gyroscope control
    */
    ;

    _proto.onClick = function onClick() {
    this.plugin.toggle();
    };

    return GyroscopeButton;
    }(photoSphereViewer.AbstractButton);
    GyroscopeButton.id = 'gyroscope';
    GyroscopeButton.icon = compass;

    /**
    * @typedef {Object} external:THREE.DeviceOrientationControls
    * @summary {@link https://github.com/mrdoob/three.js/blob/dev/examples/jsm/controls/DeviceOrientationControls.js}
    */

    /**
    * @typedef {Object} PSV.plugins.GyroscopePlugin.Options
    * @property {boolean} [touchmove=true] - allows to pan horizontally when the gyroscope is enabled (requires global `mousemove=true`)
    * @property {boolean} [absolutePosition=false] - when true the view will ignore the current direction when enabling gyroscope control
    */
    // add gyroscope button

    photoSphereViewer.DEFAULTS.navbar.splice(-1, 0, GyroscopeButton.id);
    photoSphereViewer.DEFAULTS.lang[GyroscopeButton.id] = 'Gyroscope';
    photoSphereViewer.registerButton(GyroscopeButton);
    /**
    * @summary Adds gyroscope controls on mobile devices
    * @extends PSV.plugins.AbstractPlugin
    * @memberof PSV.plugins
    */

    var GyroscopePlugin = /*#__PURE__*/function (_AbstractPlugin) {
    _inheritsLoose(GyroscopePlugin, _AbstractPlugin);

    /**
    * @summary Available events
    * @enum {string}
    * @memberof PSV.plugins.GyroscopePlugin
    * @constant
    */

    /**
    * @param {PSV.Viewer} psv
    * @param {PSV.plugins.GyroscopePlugin.Options} options
    */
    function GyroscopePlugin(psv, options) {
    var _this;

    _this = _AbstractPlugin.call(this, psv) || this;
    /**
    * @member {Object}
    * @private
    * @property {Promise<boolean>} isSupported - indicates of the gyroscope API is available
    * @property {number} alphaOffset - current alpha offset for gyroscope controls
    * @property {Function} orientationCb - update callback of the device orientation
    * @property {boolean} config_moveInertia - original config "moveInertia"
    */

    _this.prop = {
    isSupported: _this.__checkSupport(),
    alphaOffset: 0,
    orientationCb: null,
    config_moveInertia: true
    };
    /**
    * @member {PSV.plugins.GyroscopePlugin.Options}
    * @private
    */

    _this.config = _extends({
    touchmove: true,
    absolutePosition: false
    }, options);
    /**
    * @member {external:THREE.DeviceOrientationControls}
    * @private
    */

    _this.controls = null;

    _this.psv.on(photoSphereViewer.CONSTANTS.EVENTS.STOP_ALL, _assertThisInitialized(_this));

    _this.psv.on(photoSphereViewer.CONSTANTS.EVENTS.BEFORE_ROTATE, _assertThisInitialized(_this));

    return _this;
    }
    /**
    * @package
    */


    var _proto = GyroscopePlugin.prototype;

    _proto.destroy = function destroy() {
    this.psv.off(photoSphereViewer.CONSTANTS.EVENTS.STOP_ALL, this);
    this.psv.off(photoSphereViewer.CONSTANTS.EVENTS.BEFORE_ROTATE, this);
    this.stop();
    delete this.controls;
    delete this.prop;

    _AbstractPlugin.prototype.destroy.call(this);
    }
    /**
    * @private
    */
    ;

    _proto.handleEvent = function handleEvent(e) {
    switch (e.type) {
    case photoSphereViewer.CONSTANTS.EVENTS.STOP_ALL:
    this.stop();
    break;

    case photoSphereViewer.CONSTANTS.EVENTS.BEFORE_ROTATE:
    this.__onRotate(e);

    break;
    }
    }
    /**
    * @summary Checks if the gyroscope is enabled
    * @returns {boolean}
    */
    ;

    _proto.isEnabled = function isEnabled() {
    return !!this.prop.orientationCb;
    }
    /**
    * @summary Enables the gyroscope navigation if available
    * @returns {Promise}
    * @fires PSV.plugins.GyroscopePlugin.gyroscope-updated
    * @throws {PSV.PSVError} if the gyroscope API is not available/granted
    */
    ;

    _proto.start = function start() {
    var _this2 = this;

    return this.prop.isSupported.then(function (supported) {
    if (supported) {
    return _this2.__requestPermission();
    } else {
    photoSphereViewer.utils.logWarn('gyroscope not available');
    return Promise.reject();
    }
    }).then(function (granted) {
    if (granted) {
    return Promise.resolve();
    } else {
    photoSphereViewer.utils.logWarn('gyroscope not allowed');
    return Promise.reject();
    }
    }).then(function () {
    _this2.psv.__stopAll(); // disable inertia


    _this2.prop.config_moveInertia = _this2.psv.config.moveInertia;
    _this2.psv.config.moveInertia = false;

    _this2.__configure();
    /**
    * @event gyroscope-updated
    * @memberof PSV.plugins.GyroscopePlugin
    * @summary Triggered when the gyroscope mode is enabled/disabled
    * @param {boolean} enabled
    */


    _this2.trigger(GyroscopePlugin.EVENTS.GYROSCOPE_UPDATED, true);
    });
    }
    /**
    * @summary Disables the gyroscope navigation
    * @fires PSV.plugins.GyroscopePlugin.gyroscope-updated
    */
    ;

    _proto.stop = function stop() {
    if (this.isEnabled()) {
    this.controls.disconnect();
    this.psv.off(photoSphereViewer.CONSTANTS.EVENTS.BEFORE_RENDER, this.prop.orientationCb);
    this.prop.orientationCb = null;
    this.psv.config.moveInertia = this.prop.config_moveInertia;
    this.trigger(GyroscopePlugin.EVENTS.GYROSCOPE_UPDATED, false);
    }
    }
    /**
    * @summary Enables or disables the gyroscope navigation
    */
    ;

    _proto.toggle = function toggle() {
    if (this.isEnabled()) {
    this.stop();
    } else {
    this.start();
    }
    }
    /**
    * @summary Attaches the {@link external:THREE.DeviceOrientationControls} to the camera
    * @private
    */
    ;

    _proto.__configure = function __configure() {
    var _this3 = this;

    if (!this.controls) {
    this.controls = new DeviceOrientationControls(this.psv.renderer.camera);
    } else {
    this.controls.connect();
    } // force reset


    this.controls.deviceOrientation = null;
    this.controls.screenOrientation = 0;
    this.controls.alphaOffset = 0;
    this.prop.alphaOffset = this.config.absolutePosition ? 0 : null;

    this.prop.orientationCb = function () {
    if (!_this3.controls.deviceOrientation) {
    return;
    } // on first run compute the offset depending on the current viewer position and device orientation


    if (_this3.prop.alphaOffset === null) {
    _this3.controls.update();

    var direction = new THREE.Vector3();

    _this3.psv.renderer.camera.getWorldDirection(direction);

    var sphericalCoords = _this3.psv.dataHelper.vector3ToSphericalCoords(direction);

    _this3.prop.alphaOffset = sphericalCoords.longitude - _this3.psv.prop.position.longitude;
    } else {
    _this3.controls.alphaOffset = _this3.prop.alphaOffset;

    _this3.controls.update();

    _this3.psv.renderer.camera.getWorldDirection(_this3.psv.prop.direction);

    _this3.psv.prop.direction.multiplyScalar(photoSphereViewer.CONSTANTS.SPHERE_RADIUS);

    var _sphericalCoords = _this3.psv.dataHelper.vector3ToSphericalCoords(_this3.psv.prop.direction);

    _this3.psv.prop.position.longitude = _sphericalCoords.longitude;
    _this3.psv.prop.position.latitude = _sphericalCoords.latitude;

    _this3.psv.needsUpdate();
    }
    };

    this.psv.on(photoSphereViewer.CONSTANTS.EVENTS.BEFORE_RENDER, this.prop.orientationCb);
    }
    /**
    * @summary Intercepts moves and offsets the alpha angle
    * @param {external:uEvent.Event} e
    * @private
    */
    ;

    _proto.__onRotate = function __onRotate(e) {
    if (this.isEnabled()) {
    e.preventDefault();

    if (this.config.touchmove) {
    this.prop.alphaOffset -= e.args[0].longitude - this.psv.prop.position.longitude;
    }
    }
    }
    /**
    * @summary Detects if device orientation is supported
    * @returns {Promise<boolean>}
    * @private
    */
    ;

    _proto.__checkSupport = function __checkSupport() {
    // if ('DeviceMotionEvent' in window && typeof DeviceMotionEvent.requestPermission === 'function') {
    // return Promise.resolve(true);
    // } else if ('DeviceOrientationEvent' in window) {
    // return new Promise(function (resolve) {
    // var listener = function listener(e) {
    // resolve(e && e.alpha !== null && !isNaN(e.alpha));
    // window.removeEventListener('deviceorientation', listener);
    // };

    // window.addEventListener('deviceorientation', listener, false); // after 2 secs, auto-reject the promise

    // setTimeout(listener, 2000);
    // });
    // } else {
    // return Promise.resolve(false);
    // }
    return Promise.resolve(true);
    }
    /**
    * @summary Request permission to the motion API
    * @returns {Promise<boolean>}
    * @private
    */
    ;

    _proto.__requestPermission = function __requestPermission() {
    // if ('DeviceMotionEvent' in window && typeof DeviceMotionEvent.requestPermission === 'function') {
    // return DeviceOrientationEvent.requestPermission().then(function (response) {
    // return response === 'granted';
    // }).catch(function () {
    // return false;
    // });
    // } else {
    // return Promise.resolve(true);
    // }
    return Promise.resolve(true);

    };

    return GyroscopePlugin;
    }(photoSphereViewer.AbstractPlugin);

    GyroscopePlugin.id = 'gyroscope';
    GyroscopePlugin.EVENTS = {
    GYROSCOPE_UPDATED: 'gyroscope-updated'
    };

    return GyroscopePlugin;

    })));
    //# sourceMappingURL=gyroscope.js.map

     因为我的项目需要开启自动陀螺仪,所以我删掉了有关是否允许设备开启陀螺仪的判断

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  • 原文地址:https://www.cnblogs.com/chenyingying0/p/14345670.html
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