449 lines
16 KiB
JavaScript
449 lines
16 KiB
JavaScript
'use strict';
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(function () {
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var Core = {
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NUMBER_OF_ROUNDS: 5,
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MAX_SCORE: 1000,
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rounds: [],
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scoreSum: 0,
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panoId: null,
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panorama: null,
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map: null,
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guessMarker: null,
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adaptGuess: false,
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googleLink: null,
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initialize: function () {
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document.getElementById('loading').style.visibility = 'visible';
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document.getElementById('cover').style.visibility = 'visible';
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document.getElementById('currentRound').innerHTML = '1/' + String(Core.NUMBER_OF_ROUNDS);
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document.getElementById('currentScoreSum').innerHTML = '0/0';
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Core.map.setOptions({
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draggableCursor: 'crosshair'
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});
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Core.map.fitBounds(mapBounds);
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var xhr = new XMLHttpRequest();
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xhr.responseType = 'json';
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xhr.onload = function () {
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if (this.response.error) {
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//TODO: handle this error
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return;
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}
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document.getElementById('loading').style.visibility = 'hidden';
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document.getElementById('cover').style.visibility = 'hidden';
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Core.panoId = this.response.panoId;
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if (this.response.history) {
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for (var i = 0; i < this.response.history.length; ++i) {
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var round = this.response.history[i];
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Core.rounds.push({ position: round.position, guessPosition: round.guessPosition, realMarker: null, guessMarker: null, line: null });
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Core.addRealGuessPair(round.position, round.guessPosition, true);
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Core.scoreSum += round.score;
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}
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document.getElementById('currentRound').innerHTML = String(Core.rounds.length) + '/' + String(Core.NUMBER_OF_ROUNDS);
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document.getElementById('currentScoreSum').innerHTML = String(Core.scoreSum) + '/' + String(Core.rounds.length * Core.MAX_SCORE);
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}
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Core.startNewRound();
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};
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xhr.open('GET', '/game/' + mapId + '/position.json', true);
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xhr.send();
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},
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resetGame: function () {
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if (Core.guessMarker) {
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Core.guessMarker.setMap(null);
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Core.guessMarker = null;
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}
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for (var i = 0; i < Core.rounds.length; ++i) {
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var round = Core.rounds[i];
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if (round.realMarker && round.guessMarker && round.line) {
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round.realMarker.setMap(null);
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round.guessMarker.setMap(null);
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round.line.setMap(null);
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}
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}
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Core.rounds = [];
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Core.scoreSum = 0;
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var distanceInfo = document.getElementById('distanceInfo');
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distanceInfo.children[0].style.display = null;
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distanceInfo.children[1].style.display = null;
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var scoreInfo = document.getElementById('scoreInfo');
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scoreInfo.children[0].style.display = null;
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scoreInfo.children[1].style.display = null;
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document.getElementById('continueButton').style.display = null;
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document.getElementById('startNewGameButton').style.display = null;
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document.getElementById('showGuessButton').style.visibility = null;
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document.getElementById('guess').style.visibility = null;
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document.getElementById('guess').classList.remove('result');
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Core.initialize();
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},
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resetRound: function () {
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document.getElementById('scoreBar').style.width = null;
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if (Core.rounds.length > 0) {
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var lastRound = Core.rounds[Core.rounds.length - 1];
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lastRound.realMarker.setVisible(false);
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lastRound.guessMarker.setVisible(false);
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lastRound.line.setVisible(false);
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}
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document.getElementById('cover').style.visibility = 'hidden';
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document.getElementById('showGuessButton').style.visibility = null;
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document.getElementById('guess').style.visibility = null;
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document.getElementById('guess').classList.remove('result')
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Core.map.setOptions({
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draggableCursor: 'crosshair'
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});
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Core.map.fitBounds(mapBounds);
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Core.startNewRound();
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},
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startNewRound: function () {
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Core.rounds.push({ position: null, guessPosition: null, realMarker: null, guessMarker: null, line: null });
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document.getElementById('currentRound').innerHTML = String(Core.rounds.length) + '/' + String(Core.NUMBER_OF_ROUNDS);
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Core.loadPano(Core.panoId);
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},
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handleErrorResponse: function (error) {
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// for the time being we only handle the "no_session_found" error and reset the game
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var xhr = new XMLHttpRequest();
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xhr.responseType = 'json';
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xhr.onload = function () {
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mapBounds = this.response.bounds;
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Core.resetGame();
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};
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xhr.open('GET', '/game/' + mapId + '/position.json', true);
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xhr.send();
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},
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loadPano: function (panoId) {
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if (Core.adaptGuess) {
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document.getElementById('guess').classList.add('adapt');
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}
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Core.panorama.setPov({ heading: 0, pitch: 0 });
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Core.panorama.setZoom(0);
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Core.panorama.setPano(panoId);
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},
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evaluateGuess: function () {
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var guessPosition = Core.guessMarker.getPosition().toJSON();
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Core.rounds[Core.rounds.length - 1].guessPosition = guessPosition;
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if (Core.adaptGuess) {
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document.getElementById('guess').classList.remove('adapt');
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}
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document.getElementById('loading').style.visibility = 'visible';
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document.getElementById('cover').style.visibility = 'visible';
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var data = new FormData();
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data.append('lat', String(guessPosition.lat));
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data.append('lng', String(guessPosition.lng));
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var xhr = new XMLHttpRequest();
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xhr.responseType = 'json';
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xhr.onload = function () {
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if (this.response.error) {
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Core.handleErrorResponse(this.response.error);
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return;
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}
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Core.guessMarker.setMap(null);
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Core.guessMarker = null;
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document.getElementById('loading').style.visibility = 'hidden';
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document.getElementById('guess').classList.add('result');
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Core.scoreSum += this.response.result.score;
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document.getElementById('currentScoreSum').innerHTML = String(Core.scoreSum) + '/' + String(Core.rounds.length * Core.MAX_SCORE);
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Core.rounds[Core.rounds.length - 1].position = this.response.result.position;
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Core.addRealGuessPair(this.response.result.position, guessPosition);
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var resultBounds = new google.maps.LatLngBounds();
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resultBounds.extend(this.response.result.position);
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resultBounds.extend(guessPosition);
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Core.map.setOptions({
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draggableCursor: 'grab'
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});
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Core.map.fitBounds(resultBounds);
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document.getElementById('distance').innerHTML = Util.printDistanceForHuman(this.response.result.distance);
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document.getElementById('score').innerHTML = this.response.result.score;
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var scoreBarProperties = Core.calculateScoreBarProperties(this.response.result.score, Core.MAX_SCORE);
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var scoreBar = document.getElementById('scoreBar');
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scoreBar.style.backgroundColor = scoreBarProperties.backgroundColor;
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scoreBar.style.width = scoreBarProperties.width;
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if (Core.rounds.length === Core.NUMBER_OF_ROUNDS) {
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document.getElementById('continueButton').style.display = 'none';
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document.getElementById('showSummaryButton').style.display = 'block';
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}
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Core.panoId = this.response.panoId;
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};
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xhr.open('POST', '/game/' + mapId + '/guess.json', true);
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xhr.send(data);
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},
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addRealGuessPair: function (position, guessPosition, hidden) {
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var round = Core.rounds[Core.rounds.length - 1];
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round.realMarker = new google.maps.Marker({
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map: Core.map,
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visible: !hidden,
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position: position,
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title: 'Open in Google Maps',
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zIndex: Core.rounds.length * 2,
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clickable: true,
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draggable: false
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});
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round.realMarker.addListener('click', function () {
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window.open('https://www.google.com/maps/search/?api=1&query=' + this.getPosition().toUrlValue(), '_blank');
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});
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round.guessMarker = new google.maps.Marker({
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map: Core.map,
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visible: !hidden,
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position: guessPosition,
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zIndex: Core.rounds.length,
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clickable: false,
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draggable: false,
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label: {
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color: '#ffffff',
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fontFamily: 'Roboto',
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fontSize: '18px',
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fontWeight: '500',
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text: '?'
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}
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});
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round.line = new google.maps.Polyline({
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map: Core.map,
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visible: !hidden,
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path: [
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position,
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guessPosition
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],
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geodesic: true,
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strokeOpacity: 0,
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icons: [{
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icon: {
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path: 'M 0,-1 0,1',
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strokeOpacity: 1,
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strokeWeight: 2,
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scale: 2
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},
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offset: '0',
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repeat: '10px'
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}],
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clickable: false,
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draggable: false,
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editable: false
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});
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},
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calculateScoreBarProperties: function (score, maxScore) {
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var percent = Math.floor((score / maxScore) * 100);
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var color;
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if (percent >= 90) {
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color = '#11ca00';
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} else if (percent >= 10) {
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color = '#ea9000';
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} else {
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color = '#ca1100';
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}
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return { width: percent + '%', backgroundColor: color };
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},
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showSummary: function () {
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var distanceInfo = document.getElementById('distanceInfo');
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distanceInfo.children[0].style.display = 'none';
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distanceInfo.children[1].style.display = 'block';
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var scoreInfo = document.getElementById('scoreInfo');
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scoreInfo.children[0].style.display = 'none';
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scoreInfo.children[1].style.display = 'block';
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document.getElementById('showSummaryButton').style.display = null;
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document.getElementById('startNewGameButton').style.display = 'block';
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var resultBounds = new google.maps.LatLngBounds();
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for (var i = 0; i < Core.rounds.length; ++i) {
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var round = Core.rounds[i];
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round.realMarker.setLabel({
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color: '#812519',
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fontFamily: 'Roboto',
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fontSize: '16px',
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fontWeight: '500',
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text: String(i + 1)
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});
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round.realMarker.setVisible(true);
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round.guessMarker.setVisible(true);
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round.line.setVisible(true);
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resultBounds.extend(round.position);
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resultBounds.extend(round.guessPosition);
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}
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Core.map.fitBounds(resultBounds);
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document.getElementById('scoreSum').innerHTML = String(Core.scoreSum);
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var scoreBarProperties = Core.calculateScoreBarProperties(Core.scoreSum, Core.NUMBER_OF_ROUNDS * Core.MAX_SCORE);
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var scoreBar = document.getElementById('scoreBar');
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scoreBar.style.backgroundColor = scoreBarProperties.backgroundColor;
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scoreBar.style.width = scoreBarProperties.width;
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},
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rewriteGoogleLink: function () {
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if (!Core.googleLink) {
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var anchors = document.getElementById('panorama').getElementsByTagName('a');
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for (var i = 0; i < anchors.length; i++) {
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var a = anchors[i];
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if (a.href.indexOf('maps.google.com/maps') !== -1) {
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Core.googleLink = a;
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break;
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}
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}
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}
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setTimeout(function () {
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if (Core.googleLink) {
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Core.googleLink.title = 'Google Maps';
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Core.googleLink.href = 'https://maps.google.com/maps';
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}
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}, 1);
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}
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};
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var Util = {
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printDistanceForHuman: function (distance) {
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if (distance < 1000) {
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return Number.parseFloat(distance).toFixed(0) + ' m';
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} else if (distance < 10000) {
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return Number.parseFloat(distance / 1000).toFixed(2) + ' km';
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} else if (distance < 100000) {
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return Number.parseFloat(distance / 1000).toFixed(1) + ' km';
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} else {
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return Number.parseFloat(distance / 1000).toFixed(0) + ' km';
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}
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}
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};
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if (!('ontouchstart' in document.documentElement)) {
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Core.adaptGuess = true;
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}
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Core.map = new google.maps.Map(document.getElementById('map'), {
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disableDefaultUI: true,
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clickableIcons: false,
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draggingCursor: 'grabbing'
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});
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Core.map.addListener('click', function (e) {
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if (Core.rounds[Core.rounds.length - 1].guessPosition) {
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return;
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}
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if (Core.guessMarker) {
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Core.guessMarker.setPosition(e.latLng);
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return;
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}
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Core.guessMarker = new google.maps.Marker({
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map: Core.map,
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position: e.latLng,
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clickable: false,
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draggable: true,
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label: {
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color: '#ffffff',
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fontFamily: 'Roboto',
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fontSize: '18px',
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fontWeight: '500',
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text: '?'
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}
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});
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document.getElementById('guessButton').disabled = false;
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});
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Core.panorama = new google.maps.StreetViewPanorama(document.getElementById('panorama'), {
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disableDefaultUI: true,
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linksControl: true,
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showRoadLabels: false,
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motionTracking: false
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});
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Core.panorama.addListener('position_changed', function () {
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Core.rewriteGoogleLink();
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});
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Core.panorama.addListener('pov_changed', function () {
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Core.rewriteGoogleLink();
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});
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Core.initialize();
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document.getElementById('showGuessButton').onclick = function () {
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this.style.visibility = 'hidden';
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document.getElementById('guess').style.visibility = 'visible';
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}
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document.getElementById('closeGuessButton').onclick = function () {
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document.getElementById('showGuessButton').style.visibility = null;
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document.getElementById('guess').style.visibility = null;
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}
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document.getElementById('guessButton').onclick = function () {
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if (!Core.guessMarker) {
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return;
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}
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this.disabled = true;
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Core.evaluateGuess();
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}
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document.getElementById('continueButton').onclick = function () {
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Core.resetRound();
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}
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document.getElementById('showSummaryButton').onclick = function () {
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Core.showSummary();
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}
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document.getElementById('startNewGameButton').onclick = function () {
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Core.resetGame();
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}
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})();
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