mapguesser/public/static/js/game.js

451 lines
16 KiB
JavaScript

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