e8960054a9
git-svn-id: http://svn.openlayers.org/trunk/openlayers@12082 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
83 lines
3.3 KiB
HTML
83 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
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<meta name="apple-mobile-web-app-capable" content="yes">
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<title>OpenLayers Game: Bounce Ball</title>
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<link rel="stylesheet" href="../theme/default/style.css" type="text/css">
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<link rel="stylesheet" href="style.css" type="text/css">
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<script src="../lib/OpenLayers.js?mobile"></script>
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<style type="text/css">
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html, body { height: 100%; }
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#shortdesc { display: none; }
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#tags { display: none; }
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</style>
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<script type="text/javascript">
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var map, vlayer;
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function adjustLocation(delta, feature) {
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feature.geometry.move(delta.x, delta.y);
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var me = map.maxExtent;
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var rad = 6;
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if (feature.geometry.x > (me.right - rad)) {
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feature.geometry.x = me.right - rad;
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} else if (feature.geometry.x < (me.left+rad)) {
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feature.geometry.x = me.left+rad;
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}
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if (feature.geometry.y > (me.top-rad)) {
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feature.geometry.y = me.top-rad;
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} else if (feature.geometry.y < (me.bottom+rad)) {
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feature.geometry.y = me.bottom+rad;
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}
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vlayer.drawFeature(feature);
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}
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function init() {
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map = new OpenLayers.Map( 'map',
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{
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'maxExtent': new OpenLayers.Bounds(0, 0, $("map").clientWidth, $("map").clientHeight),
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controls: [],
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maxResolution: 'auto'}
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);
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var layer = new OpenLayers.Layer("",
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{isBaseLayer: true} );
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map.addLayer(layer);
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map.zoomToMaxExtent();
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vlayer = new OpenLayers.Layer.Vector();
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var feature = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Point(map.getCenter().lon, map.getCenter().lat));
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vlayer.addFeatures(feature);
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map.addLayer(vlayer);
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if (window.DeviceMotionEvent) {
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window.addEventListener('devicemotion', function (evt) {
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var delta = null;
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if (typeof(evt.accelerationIncludingGravity) != 'undefined') {
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delta = {
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'x': evt.accelerationIncludingGravity.x * 3,
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'y': evt.accelerationIncludingGravity.y * 3,
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'z': evt.accelerationIncludingGravity.z
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}
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}
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adjustLocation(delta, feature);
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}, true);
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} else {
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alert("This demo does not work on your browser.");
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}
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}
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</script>
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</head>
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<body onload="init()">
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<h1 id="title">Accelerometer Example</h1>
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<div id="tags">
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mobile, game
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</div>
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<div id="shortdesc">Simple acceleration demo; roll a vector feature around
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on a map. (Only tested on iOS 4.)</div>
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<div id="map" width="100%" height="100%" style="background-color: grey"></div>
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<div id="docs">
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<p>Demo works best when device is locked in portrait mode.</p>
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</div>
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</body>
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</html>
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