Rotating and controllable marker
Simulate a flight path from vehicle data. Use your left and right arrow keys to change direction.
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Rotating and controllable marker</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.mapbox.com/mapbox.js/v3.3.1/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v3.3.1/mapbox.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<div id='map'></div>
<script>
L.mapbox.accessToken = '<your access token here>';
// MIT-licensed code by Benjamin Becquet
// https://github.com/bbecquet/Leaflet.PolylineDecorator
L.RotatedMarker = L.Marker.extend({
options: { angle: 0 },
_setPos: function(pos) {
L.Marker.prototype._setPos.call(this, pos);
if (L.DomUtil.TRANSFORM) {
// use the CSS transform rule if available
this._icon.style[L.DomUtil.TRANSFORM] += ' rotate(' + this.options.angle + 'deg)';
} else if (L.Browser.ie) {
// fallback for IE6, IE7, IE8
var rad = this.options.angle * L.LatLng.DEG_TO_RAD,
costheta = Math.cos(rad),
sintheta = Math.sin(rad);
this._icon.style.filter += ' progid:DXImageTransform.Microsoft.Matrix(sizingMethod=\'auto expand\', M11=' +
costheta + ', M12=' + (-sintheta) + ', M21=' + sintheta + ', M22=' + costheta + ')';
}
}
});
L.rotatedMarker = function(pos, options) {
return new L.RotatedMarker(pos, options);
};
var map = L.mapbox.map('map', null, {
keyboard: false
})
.setView([37.9, -77],4)
.addLayer(L.mapbox.styleLayer('mapbox://styles/mapbox/light-v10'));
var marker = L.rotatedMarker(new L.LatLng(37.9, -77), {
icon: L.divIcon({
className: 'svg-marker',
html: '<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 15 15"><path d="M15 6.818V8.5l-6.5-1-.318 4.773L11 14v1l-3.5-.682L4 15v-1l2.818-1.727L6.5 7.5 0 8.5V6.818L6.5 4.5v-3s0-1.5 1-1.5 1 1.5 1 1.5v2.818l6.5 2.5z"/></svg>',
iconSize: [24, 24],
}),
draggable: true
});
marker.addTo(map);
var direction = 0, manual = false;
window.setInterval(function() {
var ll = marker.getLatLng();
ll.lat += Math.cos(direction) / 100;
ll.lng += Math.sin(direction) / 100;
marker.options.angle = direction * (180 / Math.PI);
marker.setLatLng(ll);
if (!manual && Math.random() > 0.95) {
direction += (Math.random() - 0.5) / 2;
}
}, 10);
// Add manual control of the airplane with left and right arrow keys, just because
document.body.addEventListener('keydown', function(e) {
if (e.which == 37) {
direction -= 0.1; manual = true;
}
if (e.which == 39) {
direction += 0.1; manual = true;
}
}, true);
</script>
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Use this example by copying its source into your own HTML page and
replacing the Map ID
with
one of your own from your projects.
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