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Simple demo game-like thing showing how to use the accelerometer to control

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a vector feature on a map.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@11549 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
crschmidt
2011-02-26 15:21:40 +00:00
parent b3091002f6
commit 28ccd43ba4
2 changed files with 81 additions and 0 deletions
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1
build/mobile.cfg
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@@ -16,6 +16,7 @@ OpenLayers/Control/Attribution.js
OpenLayers/Control/SelectFeature.js
OpenLayers/Layer/Vector.js
OpenLayers/Renderer/SVG.js
OpenLayers/Renderer/Canvas.js
OpenLayers/Format/GeoJSON.js
[exclude]

80
examples/game-accel-ball.html Normal file
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@@ -0,0 +1,80 @@
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<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, $("map").clientWidth, $("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: grey"></div>
<div id="docs">
Demo works best when device is locked in portrait mode.
</div>
</body>
</html>