97 lines
2.5 KiB
JavaScript
97 lines
2.5 KiB
JavaScript
'use strict';
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/* global navigator $ */
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// Get street view imagery
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function getStreetViewData(loc,rad,cb) {
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// Ensure that the location hasn't changed (or this is the initial setting)
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if ( newLoc == null || loc.tim===newLoc.tim ) {
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if (!sv) { var sv=new googlemaps.StreetViewService(); }
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sv.getPanorama({
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location: {
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lat: loc.lat,
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lng: loc.lon
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},
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radius: rad
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}, function(data,status){ switch (status){
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// Success
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case googlemaps.StreetViewStatus.OK:
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cb(data);
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break;
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// No results in that radius
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case googlemaps.StreetViewStatus.ZERO_RESULTS:
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// Try again with a bigger radius
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getStreetViewData(loc,rad*2,cb);
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break;
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// Error
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default:
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console.error(new Error('❌️ Street view not available: '+status).message);
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} });
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}
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}
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// Track GPS location
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if (!navigator.geolocation){ /* Show error */ }
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else { navigator.geolocation.watchPosition(
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// Got location
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function(pos) {
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// Moving (show image)
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if (loc.spd>1) {
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// Create image
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const imgElem = document.getElementById('panoImg');
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if (!imgElem) {
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pano = undefined;
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$('#pano').empty();
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$('#pano').append($('<img>',{
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alt: 'Street view image',
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src: 'https://maps.googleapis.com/maps/api/streetview?size=800x800&location='+loc.lat+','+loc.lon+'&fov=90&heading='+loc.dir+'&key={{api}}',
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id: 'panoImg'
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}));
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}
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// Set image
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getStreetViewData(loc, 2, function(data){
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$('#panoImg').attr('src','https://maps.googleapis.com/maps/api/streetview?size='+$('#pano').width()+'x'+$('#pano').height()+'&location='+data.location.latLng.lat()+','+data.location.latLng.lng()+'&fov=90&heading='+loc.dir+'&key='+mapKey);
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});
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}
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// Not moving and pano not set (create panoramic image)
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else if (pano==null) {
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// Create panorama
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$('#pano').empty();
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pano = new googlemaps.StreetViewPanorama(panoElem, {
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panControl: false,
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zoomControl: false,
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addressControl: false,
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linksControl: false,
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motionTracking: false,
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motionTrackingControl: false
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});
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// Set panorama
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getStreetViewData(loc, 2, function(data){
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pano.setPano(data.location.pano);
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pano.setPov({
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pitch: 0,
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// Point towards users's location from street
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heading: Math.atan((loc.lon-data.location.latLng.lng())/(loc.lat-data.location.latLng.lat()))*(180/Math.PI)
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});
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});
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}
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},
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// Got error
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function() {
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//TODO: Show error
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},
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// Options
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{ enableHighAccuracy:true }
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);
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} |