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easing-test.htm
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<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.js"></script>
<script src="jquery.easing.agnesi.js"></script>
<!--<script src="jquery.easing.1.3.js"></script>-->
<script>
var Aggregate = function (opts) {
opts = opts || {};
this.record = [];
this.minimum = 0;
this.maximum = 0;
this.bounds = opts.bounds || [0,1];
this.draw = this.graph[opts.graph] || this.graph.line;
};
Aggregate.prototype = {
data: function (num) {
this.maximum = (num > this.maximum)? num: this.maximum;
this.minimum = (num < this.minimum)? num: this.minimum;
this.record.push(num);
},
scale_to_extrema: function(num, postmul) {
var offset = Math.abs( (this.minimum < 0) ? this.minimum : 0 );
postmul = postmul || 1;
return ((( num + offset ) / (this.maximum + offset)) * postmul);
},
derivative: function () {
var dydx = new Aggregate();
for(var x = 0; x < this.record.length; x++) {
if(this.record[x - 1]) {
dydx.data(this.record[x] - this.record[x - 1]);
}
}
//console.log(dydx.record);
//console.log(this.record);
return dydx;
},
graph: {
bar: function (ctx, width, height) {
ctx.save();
var bar_width = width / this.record.length;
for(var x = 0; x < this.record.length; x++) {
var args = [
x * bar_width,
height - this.scale_to_extrema(this.record[x], height),
bar_width,
this.scale_to_extrema(this.record[x], height)
];
ctx.fillRect.apply(ctx, args);
ctx.strokeRect.apply(ctx, args);
}
ctx.restore();
},
line: function (ctx, width, height) {
ctx.save();
var rate = this.record.length / width;
ctx.save();
ctx.fillRect( 0, height - this.scale_to_extrema(this.bounds[0], height), width, height - this.scale_to_extrema(this.minimum, height) );
ctx.fillRect( 0, 0, width, height - this.scale_to_extrema(this.bounds[1], height) );
ctx.restore();
ctx.beginPath();
for(var x = 0; x < this.record.length; x++) {
ctx.lineTo( x / rate, height - this.scale_to_extrema(this.record[x], height) );
}
ctx. stroke();
ctx.restore();
}
}
};
var Benchmark = function () {
this.times = new Aggregate({
bounds: [0, 20],
graph: "bar"
});
};
Benchmark.prototype = {
run: function (funk) {
var start = new Date();
funk();
this.times.data(Date.now() - start);
}
};
$(function () {
const DURATION = 2500;
const G_WIDTH = 500;
const G_HEIGHT = 500;
var benchmark = new Benchmark();
var $time_plot = $("<canvas>");
$(document.body).prepend($time_plot);
$time_plot.attr("height", G_HEIGHT).attr("width", G_WIDTH);
var tpctx = $time_plot.get(0).getContext("2d");
for(method in $.easing) {
const RESOLUTION = 100;
if($.isFunction($.easing[method])) {
var agg = new Aggregate();
var $graph = $("<canvas>");
var $heading = $("<h2>").text(method);
var $demo = $("<div>").addClass("lacker").append($("<div>").addClass("highlight").append($("<div>").addClass("sub-lacker").text(method)));
var $cont = $("<div>").append($heading).append($demo).append($graph).attr("id",method);
$("#race-track").append($cont);
//ctx.scale(1, -1);
benchmark.run(function () {
for(var x = 0; x <= 1; x+= 1 / RESOLUTION) {
agg.data($.easing[method](x, x * RESOLUTION, 0, 1, RESOLUTION ));
}
});
$("<div>").text(benchmark.times.record[benchmark.times.record.length - 1] + "ms").insertAfter($heading);
$graph.attr("width",G_WIDTH).attr("height", G_HEIGHT);
var ctx = $graph.get(0).getContext("2d");
ctx.lineWidth = 2;
//console.group(method);
//ctx.translate(0, G_HEIGHT - new_height);
var dx = agg.derivative();
ctx.save();
ctx.fillStyle = 'transparent';
ctx.strokeStyle = 'rgba(128,128,128,.45)';
dx.derivative().draw(ctx, G_WIDTH, G_HEIGHT);
ctx.restore();
ctx.save();
ctx.fillStyle = 'transparent';
ctx.strokeStyle = 'rgba(50,50,50,.45)';
dx.draw(ctx, G_WIDTH, G_HEIGHT);
ctx.restore();
ctx.save();
ctx.fillStyle = 'rgba(200,200,200,.25)';
ctx.strokeStyle = 'black';
agg.draw(ctx, G_WIDTH, G_HEIGHT);
ctx.restore();
//console.groupEnd();
//ctx.translate(0, G_HEIGHT * agg.minimum);
(function (method) {
$demo.hover(function() { // anim out
var $this = $(this);
var finish_line = $this.parent().width() - 40;
$this.animate({
"left": finish_line
}, DURATION, method);
},
// anim in
function () {
var $this = $(this);
$this.animate({
"left": 0
}, DURATION, method);
});
})(method);
delete agg;
}
}
tpctx.save();
tpctx.lineWidth = 2;
tpctx.fillStyle = 'rgba(128,128,128,.45)';
tpctx.strokeStyle = 'transparent';
benchmark.times.draw(tpctx, G_HEIGHT, G_WIDTH);
tpctx.restore();
});
</script>
<style>
canvas {
}
#race-track {
width: 500px;
margin: 0 auto;
font-family: sans-serif;
}
.lacker {
/*width: 40px;*/
height: 40px;
margin: 20px 0;
position: relative;
border-radius: 20px;
-moz-border-radius: 20px;
}
.sub-lacker {
top: 1px;
right: 1px;
bottom: 1px;
left: 1px;
position: absolute;
border-radius: 10px;
-moz-border-radius: 10px;
color: white;
text-align: center;
font-size: 12px;
padding: 2px 0;
text-shadow: #111 1px 1px 2px;
}
.highlight {
top: 9px;
right: 9px;
bottom: 9px;
left: 9px;
position: absolute;
border-radius: 11px;
-moz-border-radius: 11px;
}
.lacker {
background: #710000;
background: -webkit-gradient(linear, left top, left bottom,color-stop(0, #cc0000), color-stop(.30, #810000), color-stop(1, #480000));
-webkit-box-shadow: 0 3px 10px rgba(0,0,0, .55);
}
.lacker .highlight {
background: transparent;
background: -webkit-gradient(linear, right bottom, right top, color-stop(0, rgba(255,133,99, .50)), color-stop(.40, transparent), color-stop(.90, rgba(0,0,0, .50)));
}
.lacker .sub-lacker {
background: #480000;
background: -webkit-gradient(linear, right bottom, right top, color-stop(0, #710000), color-stop(1, #380000));
}
</style>
</head>
<body>
<div id="race-track">
<!--<h2>Agnesi - Smooth Animation</h2>
<div id="clacker" class="lacker" data-effect="agnesi">
<div class="sub-lacker"></div>
</div>
<h2>Swing - Not-Smooth Animation</h2>
<div id="linier" class="lacker" data-effect="swing">
<div class="sub-lacker"></div>
</div>
<h2>Sine - Sorta-Smooth Animation</h2>
<div id="sin" class="lacker" data-effect="easeOutSine">
<div class="sub-lacker"></div>
</div>-->
</div>
</body>
</html>