136a37bf2f
git-svn-id: http://svn.openlayers.org/trunk/openlayers@6673 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
82 lines
2.9 KiB
HTML
82 lines
2.9 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Tween Example</title>
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<style type="text/css">
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#viewport {
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width: 500px;
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height: 300px;
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border: 1px solid black;
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}
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#block {
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width: 10px;
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height: 10px;
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background-color: red;
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position: absolute;
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}
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</style>
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var tween, events;
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function init(){
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tween = new OpenLayers.Tween(OpenLayers.Easing.Linear.easeIn);
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events = new OpenLayers.Events(null, OpenLayers.Util.getElement('viewport'), null, true);
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events.register("mousedown", null, moveBlock);
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changeTween();
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}
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function moveBlock(e) {
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var block = OpenLayers.Util.getElement('block');
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var viewport = OpenLayers.Util.getElement('viewport');
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var blockPosition = OpenLayers.Util.pagePosition(block);
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var viewportPosition = OpenLayers.Util.pagePosition(viewport);
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e.xy = events.getMousePosition(e);
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var from = {
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x: blockPosition[0] - viewportPosition[0],
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y: blockPosition[1] - viewportPosition[1]
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};
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var to = {
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x: e.xy.x,
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y: e.xy.y
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}
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var duration = OpenLayers.Util.getElement('duration').value;
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var callbacks = {
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eachStep: function(value) {
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block.style.left = (value.x + viewportPosition[0]) + 'px';
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block.style.top = (value.y + viewportPosition[1]) + 'px';
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}
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}
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tween.start(from, to, duration, {callbacks: callbacks});
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}
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function changeTween() {
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var transition = OpenLayers.Util.getElement('transition').value;
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var easing = OpenLayers.Util.getElement('easing').value;
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tween.stop();
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tween.easing = OpenLayers.Easing[transition][easing];
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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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<div id="title">Tween Example</div>
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<div id="tags"></div>
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<div id="shortdesc">Show transition effects</div>
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<select name="transition" id="transition" onchange="changeTween()">
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<option value="Linear">Linear</option>
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<option value="Expo">Expo</option>
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<option value="Quad">Quad</option>
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</select>
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<select name="easing" id="easing" onchange="changeTween()">
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<option value="easeIn">EaseIn</option>
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<option value="easeOut">EaseOut</option>
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</select>
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<input type="text" name="duration" id="duration" value="100"></input>
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<div id="viewport">
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<div id="block"></div>
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</div>
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<div id="docs">
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This is an example of transition effects.
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</div>
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</body>
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</html> |