code
<html>
<head>
<style>
body {
margin: 0px;
padding: 0px;
}
#buttons {
position: absolute;
top: 5px;
left: 10px;
}
#buttons > input {
padding: 10px;
display: block;
margin-top: 5px;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="buttons">
<input type="button" id="start" value="Start">
<input type="button" id="stop" value="Stop">
</div>
<script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v4.7.4.min.js"></script>
<script defer="defer">
var stage = new Kinetic.Stage({
container: 'container',
width: 578,
height: 200
});
var layer = new Kinetic.Layer();
var hexagon = new Kinetic.RegularPolygon({
x: stage.getWidth() / 2,
y: stage.getHeight() / 2,
sides: 6,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4
});
layer.add(hexagon);
stage.add(layer);
var amplitude = 150;
// in ms
var period = 2000;
var centerX = stage.getWidth() / 2;
var anim = new Kinetic.Animation(function(frame) {
hexagon.setX(amplitude * Math.sin(frame.time * 2 * Math.PI / period) + centerX);
}, layer);
document.getElementById('start').addEventListener('click', function() {
anim.start();
}, false);
document.getElementById('stop').addEventListener('click', function() {
anim.stop();
}, false);
</script>
</body
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