compass/script.js

43 lines
895 B
JavaScript

window.addEventListener("deviceorientation", setRose, true);
if (!navigator.geolocation){ $('#no-gps').show(); }
else {
navigator.geolocation.watchPosition(
// success
function(pos) {
var lat = pos.coords.latitude.toFixed(5);
var lon = pos.coords.longitude.toFixed(5);
lat = (lat.substring(0,1)=='-')? lat.substring(1)+' S' : lat+' N';
lon = (lon.substring(0,1)=='-')? lon.substring(1)+' E' : lon+' W';
$('#lat').text(lat);
$('#lon').text(lon);
},
// error
function() {
$('.coord').hide();
$('#no-gps').show();
},
// options
{ enableHighAccuracy:true }
);
}
function setRose(e) {
// No orientation data
if(!e.absolute) {
$('#no-dir').show();
} else {
// Rotate rose
var rot = 'rotate('+e.alpha.toString().substring(0,5)+'deg)';
$('#rose').css({
'-ms-transform': rot,
'-webkit-transform': rot,
'transform': rot
});
}
}