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beneverard/index.html

Created December 13, 2017 13:52
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index.html
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title></title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.17.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.17.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
.overlay {
position: absolute;
top: 10px;
left: 10px;
}
.overlay button {
font:600 12px/20px 'Helvetica Neue', Arial, Helvetica, sans-serif;
background-color: #3386c0;
color: #fff;
display: inline-block;
margin: 0;
padding: 10px 20px;
border: none;
cursor: pointer;
border-radius: 3px;
}
.overlay button:hover {
background-color:#4ea0da;
}
</style>
<script src='//api.tiles.mapbox.com/mapbox.js/plugins/turf/v2.0.0/turf.min.js' charset='utf-8'></script>
<div id='map'></div>
<div class='overlay'>
<button id='replay'>Replay</button>
</div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoidGhlaWRlYWJ1cmVhdSIsImEiOiJVaU9wVmlVIn0.OCGZoNkQ1GU3vOMwspFvBw';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v8',
center: [-121.9692, 37.5301],
hash: true,
zoom: 8
});
// San Francisco
var origin = [-122.414, 37.776];
// San Jose
var destination = [-121.894, 37.333];
// A simple line from origin to destination.
var route = {
"type": "FeatureCollection",
"features": [{
"type": "Feature",
"geometry": {
"type": "LineString",
"coordinates": [
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}
}]
}
// A single point that animates along the route.
// Coordinates are initially set to origin.
var point = {
"type": "FeatureCollection",
"features": [{
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": origin
}
}]
}
// Calculate the distance in kilometers between route start/end point
var lineDistance = turf.lineDistance(route.features[0], 'kilometers');
map.on('click', function(e) {
console.log(e.lngLat);
});
map.on('load', function () {
// Add a source and layer displaying a point which will be animated in a circle.
map.addSource('route', {
"type": "geojson",
"data": route
});
map.addSource('point', {
"type": "geojson",
"data": point
});
map.addLayer({
"id": "route",
"source": "route",
"type": "line",
"paint": {
"line-width": 2,
"line-color": "#007cbf"
}
});
map.addLayer({
"id": "point",
"source": "point",
"type": "symbol",
"layout": {
"icon-image": "airport-15",
"icon-rotate": 140
}
});
var counter = 0;
function animate() {
counter = counter + 1;
// Update point geometry to a new position based on the animation
// And the distance the point has travelled along the route.
var updatedPoint = turf.along(route.features[0], counter / 1000 * lineDistance, 'kilometers');
point.features = [updatedPoint];
// Update the source with this new data.
map.getSource('point').setData(point);
// Request the next frame of the animation so long as destination.
// has not been reached.
if (point.features[0].geometry.coordinates[0] !== destination[0]) {
requestAnimationFrame(animate);
}
}
document.getElementById('replay').addEventListener('click', function() {
// Set the coordinates of the original point back to origin
point.features[0].geometry.coordinates = origin;
// Update the source layer
map.getSource('point').setData(point);
counter = 0;
// Restart the animation.
animate(counter);
});
// Start the animation.
animate(counter);
});
</script>
</body>
</html>
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