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03_graphs.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Tween.js / graphs</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style>
body {
margin: 0px;
}
#target {
font-size: 13px;
padding: 0px 32px;
}
</style>
<link href="css/style.css" media="screen" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="info" style="position: relative;">
<h1><a href="http://github.com/sole/tween.js">tween.js</a></h1>
<h2>03 _ graphs</h2>
<p>The curves, visualised.</p>
</div>
<div id="target"></div>
<script src="../build/tween.min.js"></script>
<script src="js/RequestAnimationFrame.js"></script>
<script>
init();
animate();
function init() {
var target = document.getElementById('target');
target.appendChild( createGraph( 'Linear.None', TWEEN.Easing.Linear.None ) );
target.appendChild( document.createElement( 'br' ) );
target.appendChild( createGraph( 'Quadratic.In', TWEEN.Easing.Quadratic.In ) );
target.appendChild( createGraph( 'Quadratic.Out', TWEEN.Easing.Quadratic.Out ) );
target.appendChild( createGraph( 'Quadratic.InOut', TWEEN.Easing.Quadratic.InOut ) );
target.appendChild( createGraph( 'Cubic.In', TWEEN.Easing.Cubic.In ) );
target.appendChild( createGraph( 'Cubic.Out', TWEEN.Easing.Cubic.Out ) );
target.appendChild( createGraph( 'Cubic.InOut', TWEEN.Easing.Cubic.InOut ) );
target.appendChild( document.createElement( 'br' ) );
target.appendChild( createGraph( 'Quartic.In', TWEEN.Easing.Quartic.In ) );
target.appendChild( createGraph( 'Quartic.Out', TWEEN.Easing.Quartic.Out ) );
target.appendChild( createGraph( 'Quartic.InOut', TWEEN.Easing.Quartic.InOut ) );
target.appendChild( createGraph( 'Quintic.In', TWEEN.Easing.Quintic.In ) );
target.appendChild( createGraph( 'Quintic.Out', TWEEN.Easing.Quintic.Out ) );
target.appendChild( createGraph( 'Quintic.InOut', TWEEN.Easing.Quintic.InOut ) );
target.appendChild( document.createElement( 'br' ) );
target.appendChild( createGraph( 'Sinusoidal.In', TWEEN.Easing.Sinusoidal.In ) );
target.appendChild( createGraph( 'Sinusoidal.Out', TWEEN.Easing.Sinusoidal.Out ) );
target.appendChild( createGraph( 'Sinusoidal.InOut', TWEEN.Easing.Sinusoidal.InOut ) );
target.appendChild( createGraph( 'Exponential.In', TWEEN.Easing.Exponential.In ) );
target.appendChild( createGraph( 'Exponential.Out', TWEEN.Easing.Exponential.Out ) );
target.appendChild( createGraph( 'Exponential.InOut', TWEEN.Easing.Exponential.InOut ) );
target.appendChild( document.createElement( 'br' ) );
target.appendChild( createGraph( 'Circular.In', TWEEN.Easing.Circular.In ) );
target.appendChild( createGraph( 'Circular.Out', TWEEN.Easing.Circular.Out ) );
target.appendChild( createGraph( 'Circular.InOut', TWEEN.Easing.Circular.InOut ) );
target.appendChild( createGraph( 'Elastic.In', TWEEN.Easing.Elastic.In ) );
target.appendChild( createGraph( 'Elastic.Out', TWEEN.Easing.Elastic.Out ) );
target.appendChild( createGraph( 'Elastic.InOut', TWEEN.Easing.Elastic.InOut ) );
target.appendChild( document.createElement( 'br' ) );
target.appendChild( createGraph( 'Back.In', TWEEN.Easing.Back.In ) );
target.appendChild( createGraph( 'Back.Out', TWEEN.Easing.Back.Out ) );
target.appendChild( createGraph( 'Back.InOut', TWEEN.Easing.Back.InOut ) );
target.appendChild( createGraph( 'Bounce.In', TWEEN.Easing.Bounce.In ) );
target.appendChild( createGraph( 'Bounce.Out', TWEEN.Easing.Bounce.Out ) );
target.appendChild( createGraph( 'Bounce.InOut', TWEEN.Easing.Bounce.InOut ) );
function createGraph( t, f, c ) {
var div = document.createElement( 'div' );
div.style.display = 'inline-block';
div.style.width = '200px';
div.style.height = '120px';
var canvas = document.createElement( 'canvas' );
canvas.width = 180;
canvas.height = 100;
var context = canvas.getContext( '2d' );
context.fillStyle = "rgb(250,250,250)";
context.fillRect( 0, 0, 180, 100 );
context.lineWidth = 0.5;
context.strokeStyle = "rgb(230,230,230)";
context.beginPath();
context.moveTo( 0, 20 );
context.lineTo( 180, 20 );
context.moveTo( 0, 80 );
context.lineTo( 180, 80 );
context.closePath();
context.stroke();
context.lineWidth = 2;
context.strokeStyle = "rgb(255,127,127)";
var position = { x: 5, y: 80 };
var position_old = { x: 5, y: 80 };
new TWEEN.Tween( position ).to( { x: 175 }, 2000 ).easing( TWEEN.Easing.Linear.None ).start();
new TWEEN.Tween( position ).to( { y: 20 }, 2000 ).easing( f ).onUpdate( function () {
context.beginPath();
context.moveTo( position_old.x, position_old.y );
context.lineTo( position.x, position.y );
context.closePath();
context.stroke();
position_old.x = position.x;
position_old.y = position.y;
}).start();
div.appendChild( document.createTextNode( t ) );
div.appendChild( document.createElement( 'br' ) );
div.appendChild( canvas );
return div;
}
}
function animate() {
requestAnimationFrame( animate );
TWEEN.update();
}
</script>
</body>
</html>