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challenge.html
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challenge.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<!-- Always force latest IE rendering engine (even in intranet) & Chrome Frame
Remove this if you use the .htaccess -->
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<title>block</title>
<meta name="description" content="" />
<meta name="author" content="PRO11_6" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<!-- Replace favicon.ico & apple-touch-icon.png in the root of your domain and delete these references -->
<link rel="shortcut icon" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/apple-touch-icon.png" />
<style type="text/css">
* { margin: 0; padding: 0;}
body {
overflow: hidden;
}
canvas {
border: 1px solid red;
}
</style>
</head>
<body>
<div id="container"></div>
<script type="text/javascript" src="src/ext-core.js"></script>
<script type="text/javascript" src="src/kinetic.latest.js"></script>
<script type="text/javascript" src="src/transitionTo.js"></script>
<script type="text/javascript" src="src/base.js"></script>
<script type="text/javascript">
Main = Ext.extend(Ext.Base, {
autoStart: true,
clicked: false,
constructor: function() {
Main.superclass.constructor.apply(this, arguments);
},
initScene: function() {
Main.superclass.initScene.apply(this, arguments);
var me = this;
me.radius = 60;
me.ball = new Kinetic.Circle({
radius: me.radius,
fill: '#000',
x: me.sW / 2,
y: me.sH / 2
});
me.leftLayer = new Kinetic.Layer();
me.rightLayer = new Kinetic.Layer();
me.layer.add(me.ball);
me.stage.add(me.layer);
me.stage.add(me.leftLayer);
me.stage.add(me.rightLayer)
},
setEvents: function() {
var me = this;
document.addEventListener('mousedown', function() {
me.trans && me.trans.onFinished();
me.clicked = true;
});
document.addEventListener('mouseup', function() {
me.clicked = false;
var mX = me.mouse.x,
mY = me.mouse.y;
me.trans = me.ball.transitionTo({
x: mX,
y: mY,
duration: 0.5,
easing: 'ease-out',
step: function(frame, progress) {
me.setPosition(me.ball.attrs.x, me.ball.attrs.y, {
x: mX,
y: mY
});
}
});
me.trans.start();
});
},
onFrame: function(frame) {
var me = this,
mouse = me.stage.getMousePosition() || me.mouse;
if(!me.clicked) {
return;
}
var x = me.ball.attrs.x + (mouse.x - me.ball.attrs.x) * 0.1;
var y = me.ball.attrs.y + (mouse.y - me.ball.attrs.y + me.radius * 2) * 0.1;
me.setPosition(x, y, mouse);
},
setPosition: function(x, y, mouse) {
var me = this;
me.ball.setX(x);
me.ball.setY(y);
var canvases = [me.leftLayer, me.rightLayer];
for(var i = 0; i < 2; i++) {
var canvas = canvases[i];
canvas.clear();
var context = canvas.getContext();
var sens = i == 0 ? -1 : 1;
context.beginPath();
context.moveTo(x + (me.radius - 5) * sens, y);
context.quadraticCurveTo(x + 100 * sens, y - 15, mouse.x + 15 * sens, mouse.y);
context.strokeStyle = "black";
context.lineWidth = 5;
context.stroke();
}
}
});
Ext.onReady(function() {
var m = new Main({
stage: new Kinetic.Stage({
width: window.innerWidth,
height: 480,
container: 'container'
}),
layer: new Kinetic.Layer()
});
});
</script>
</body>
</html>