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demo.html
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<!doctype html>
<meta charset="utf-8" />
<title>Sonic</title>
<style>
body {
background: #222;
color: #FFF;
text-align: center;
font-family: sans-serif;
font-size: .8em;
}
#container {
overflow: hidden;
padding: 20px;
width: 522px;
margin: 0 auto;
}
#in {
overflow: hidden;
}
a { color: #FFF; }
div.l {
float: left;
margin: 20px 20px 0 0;
border: 2px solid #666;
background: #000;
height: 150px;
width: 150px;
position: relative;
}
.sonic {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
}
canvas { display: block; }
</style>
<body>
<div id="container">
<h1><canvas> loaders</h1>
<div id="in"></div>
<p>By <a href="http://padolsey.net">Padolsey</a> | <a href="https://github.com/padolsey/Sonic">Sonic on github</a></p>
</div>
<script src="../src/sonic.js"></script>
<script>
var loaders = [
{
width: 100,
height: 50,
padding: 10,
stepsPerFrame: 2,
trailLength: 1,
pointDistance: .03,
strokeColor: '#FF7B24',
step: 'fader',
multiplier: 2,
setup: function() {
this._.lineWidth = 5;
},
path: [
['arc', 10, 10, 10, -270, -90],
['bezier', 10, 0, 40, 20, 20, 0, 30, 20],
['arc', 40, 10, 10, 90, -90],
['bezier', 40, 0, 10, 20, 30, 0, 20, 20]
]
},
{
width: 30,
height: 30,
stepsPerFrame: 2,
trailLength: .3,
pointDistance: .1,
padding: 10,
fillColor: '#D4FF00',
strokeColor: '#FFF',
setup: function() {
this._.lineWidth = 20;
},
path: [
['line', 0, 0, 30, 0],
['line', 30, 0, 30, 30],
['line', 30, 30, 0, 30],
['line', 0, 30, 0, 0]
]
},
{
width: 100,
height: 100,
stepsPerFrame: 1,
trailLength: 1,
pointDistance: .025,
strokeColor: '#05E2FF',
fps: 20,
setup: function() {
this._.lineWidth = 2;
},
step: function(point, index) {
var cx = this.padding + 50,
cy = this.padding + 50,
_ = this._,
angle = (Math.PI/180) * (point.progress * 360);
this._.globalAlpha = Math.max(.5, this.alpha);
_.beginPath();
_.moveTo(point.x, point.y);
_.lineTo(
(Math.cos(angle) * 35) + cx,
(Math.sin(angle) * 35) + cy
);
_.closePath();
_.stroke();
_.beginPath();
_.moveTo(
(Math.cos(-angle) * 32) + cx,
(Math.sin(-angle) * 32) + cy
);
_.lineTo(
(Math.cos(-angle) * 27) + cx,
(Math.sin(-angle) * 27) + cy
);
_.closePath();
_.stroke();
},
path: [
['arc', 50, 50, 40, 0, 360]
]
},
{
width: 100,
height: 50,
stepsPerFrame: 1,
trailLength: 1,
pointDistance: .1,
fps: 15,
padding: 10,
//step: 'fader',
fillColor: '#FF2E82',
setup: function() {
this._.lineWidth = 20;
},
path: [
['line', 0, 20, 100, 20],
['line', 100, 20, 0, 20]
]
},
{
width: 100,
height: 100,
stepsPerFrame: 7,
trailLength: .7,
pointDistance: .01,
fps: 30,
fillColor: 'white',
setup: function() {
this._.lineWidth = 10;
},
path: [
['line', 20, 70, 50, 20],
['line', 50, 20, 80, 70],
['line', 80, 70, 20, 70]
]
},
{
width: 100,
height: 100,
stepsPerFrame: 4,
trailLength: 1,
pointDistance: .01,
fps: 25,
fillColor: '#FF7B24',
setup: function() {
this._.lineWidth = 10;
},
step: function(point, i, f) {
var progress = point.progress,
degAngle = 360 * progress,
angle = Math.PI/180 * degAngle,
angleB = Math.PI/180 * (degAngle - 180),
size = i*5;
this._.fillRect(
Math.cos(angle) * 25 + (50-size/2),
Math.sin(angle) * 15 + (50-size/2),
size,
size
);
this._.fillStyle = '#63D3FF';
this._.fillRect(
Math.cos(angleB) * 15 + (50-size/2),
Math.sin(angleB) * 25 + (50-size/2),
size,
size
);
if (point.progress == 1) {
this._.globalAlpha = f < .5 ? 1-f : f;
this._.fillStyle = '#EEE';
this._.beginPath();
this._.arc(50, 50, 5, 0, 360, 0);
this._.closePath();
this._.fill();
}
},
path: [
['line', 40, 10, 60, 90]
]
},
{
width: 100,
height: 100,
stepsPerFrame: 3,
trailLength: 1,
pointDistance: .01,
fps: 30,
step: 'fader',
strokeColor: '#D4FF00',
setup: function() {
this._.lineWidth = 6;
},
path: [
['arc', 50, 50, 20, 360, 0]
]
},
{
width: 100,
height: 100,
stepsPerFrame: 1,
trailLength: 1,
pointDistance: .02,
fps: 30,
fillColor: '#05E2FF',
step: function(point, index) {
this._.beginPath();
this._.moveTo(point.x, point.y);
this._.arc(point.x, point.y, index * 7, 0, Math.PI*2, false);
this._.closePath();
this._.fill();
},
path: [
['arc', 50, 50, 30, 0, 360]
]
},
{
width: 100,
height: 100,
stepsPerFrame: 1,
trailLength: 1,
pointDistance: .05,
strokeColor: '#FF2E82',
fps: 20,
setup: function() {
this._.lineWidth = 4;
},
step: function(point, index) {
var cx = this.padding + 50,
cy = this.padding + 50,
_ = this._,
angle = (Math.PI/180) * (point.progress * 360),
innerRadius = index === 1 ? 10 : 25;
_.beginPath();
_.moveTo(point.x, point.y);
_.lineTo(
(Math.cos(angle) * innerRadius) + cx,
(Math.sin(angle) * innerRadius) + cy
);
_.closePath();
_.stroke();
},
path: [
['arc', 50, 50, 40, 0, 360]
]
}
];
var d, a, container = document.getElementById('in');
for (var i = -1, l = loaders.length; ++i < l;) {
d = document.createElement('div');
d.className = 'l';
a = new Sonic(loaders[i]);
d.appendChild(a.canvas);
container.appendChild(d);
a.play();
}
</script>
</body>