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-<!DOCTYPE html>
-<html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
- <meta name="apple-mobile-web-app-capable" content="yes">
- <title>OpenLayers Game: Bounce Ball</title>
- <link rel="stylesheet" href="../theme/default/style.css" type="text/css">
- <link rel="stylesheet" href="style.css" type="text/css">
- <script src="../lib/OpenLayers.js?mobile"></script>
- <style type="text/css">
- html, body { height: 100%; }
- #shortdesc { display: none; }
- #tags { display: none; }
- </style>
-
- <script type="text/javascript">
- var map, vlayer;
- function adjustLocation(delta, feature) {
- feature.geometry.move(delta.x, delta.y);
- var me = map.maxExtent;
- var rad = 6;
- if (feature.geometry.x > (me.right - rad)) {
- feature.geometry.x = me.right - rad;
- } else if (feature.geometry.x < (me.left+rad)) {
- feature.geometry.x = me.left+rad;
- }
- if (feature.geometry.y > (me.top-rad)) {
- feature.geometry.y = me.top-rad;
- } else if (feature.geometry.y < (me.bottom+rad)) {
- feature.geometry.y = me.bottom+rad;
- }
- vlayer.drawFeature(feature);
- }
- function init() {
- map = new OpenLayers.Map( 'map',
- {
- 'maxExtent': new OpenLayers.Bounds(0, 0, document.getElementById("map").clientWidth, document.getElementById("map").clientHeight),
- controls: [],
- maxResolution: 'auto'}
- );
- var layer = new OpenLayers.Layer("",
- {isBaseLayer: true} );
- map.addLayer(layer);
- map.zoomToMaxExtent();
- vlayer = new OpenLayers.Layer.Vector();
- var feature = new OpenLayers.Feature.Vector(
- new OpenLayers.Geometry.Point(map.getCenter().lon, map.getCenter().lat));
- vlayer.addFeatures(feature);
- map.addLayer(vlayer);
- if (window.DeviceMotionEvent) {
- window.addEventListener('devicemotion', function (evt) {
- var delta = null;
- if (typeof(evt.accelerationIncludingGravity) != 'undefined') {
- delta = {
- 'x': evt.accelerationIncludingGravity.x * 3,
- 'y': evt.accelerationIncludingGravity.y * 3,
- 'z': evt.accelerationIncludingGravity.z
- }
- }
- adjustLocation(delta, feature);
- }, true);
- } else {
- alert("This demo does not work on your browser.");
- }
- }
- </script>
- </head>
- <body onload="init()">
- <h1 id="title">Accelerometer Example</h1>
- <div id="tags">
- mobile, game
- </div>
- <div id="shortdesc">Simple acceleration demo; roll a vector feature around
- on a map. (Only tested on iOS 4.)</div>
-
- <div id="map" width="100%" height="100%" style="background-color: gray"></div>
- <div id="docs">
- <p>Demo works best when device is locked in portrait mode.</p>
- </div>
- </body>
-</html>