topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

talk show tell print

mobile-game-ch23-interactive-map.htm / htm



  <!DOCTYPE HTML>
  <html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Interactive Map</title>
    <script src='mobile-game-ch23-js-jquery.min.js'></script>
    <meta name="viewport" content="width=device-width, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0"/>
    <script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?sensor=true"></script>
    <style> body { padding:0px; margin:0px; } </style>
  </head>
  <body>
    <script>
    $(function() { 
      var map = null,
          marker = null;
  
      function createMap(latlng) {
        var mapOptions = {
          zoom: 18,
          center: latlng,
          mapTypeId: google.maps.MapTypeId.TERRAIN
        };
  
        var div = $("<div>").css({ width: "100%", 
                                   height:"100%", 
                                   position:"absolute"})
                            .appendTo("body")[0];
                  
        map = new google.maps.Map(div, mapOptions);
        marker = new google.maps.Marker({
          position: latlng, 
          map: map,
          title: "Me"
        });   
      }
  
      function updateMap(pos) {
        var latlng = new google.maps.LatLng(pos.coords.latitude,
                                            pos.coords.longitude);
        if(!map) {
          createMap(latlng);
        } else {
          marker.setPosition(latlng);
        }
      }
  
      function positionError(error) {
        alert("Error tracking your position");
        navigator.geolocation.clearWatch(watchID);
      }
  
      var watchID = navigator.geolocation.watchPosition(updateMap,positionError,{
        enableHighAccuracy: true
      });
  
    });
    </script>
  </body>
  </html>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 04/09/2009

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.