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animate.tweener.html
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animate.tweener.html
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<!DOCTYPE html>
<html dir="ltr" lang="en-US">
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>Расширения animate через tweener</title>
<link rel="profile" href="https://gmpg.org/xfn/11"/>
<link rel="shortcut icon" href="https://anton.shevchuk.name/favicon.ico"/>
<link rel="stylesheet" href="css/styles.css"/>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/code.js"></script>
<script>
// jQuery.Animation.tweener( propsList, function( property, value ) {})
jQuery.Animation.tweener('diagonal', function (property, value) {
let tween = this.createTween(property, value)
let target = tween.cur()
let elem = tween.elem
/*
A
|\
b | \ c
| \
|___\
C a B
*/
let a = jQuery.css(elem, 'width', true)
let b = jQuery.css(elem, 'height', true)
let c = Math.ceil(Math.sqrt(a * a + b * b))
let sinA = a / c
let sinB = b / c
output(`Hypotenuse (start): ${c}\n`)
tween.start = c
tween.end = value
tween.run = function (progress) {
// вычисление искомого значения
let newC = this.start + ((this.end - this.start) * progress)
let width = Math.ceil(sinA * newC)
let height = Math.ceil(sinB * newC)
// непосредственно изменение свойств элемента
if (progress === 1) {
output(`Hypotenuse (finish): ${Math.ceil(Math.sqrt(width * width + height * height))}\n`)
}
tween.elem.style.width = width + tween.unit
tween.elem.style.height = height + tween.unit
}
return tween
})
</script>
</head>
<body>
<header>
<h1>Анимация</h1>
<h2>Пример расширения анимации через <code>tweener</code></h2>
</header>
<main id="content">
<article id="pinned" class="box">
<h3>Article Title</h3>
<p>
<img src="images/photo-bumblebee-thumb.jpg" alt="Bumblebee" class="left" width="200"/>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus rutrum,
lectus eu varius consectetur, libero velit hendrerit augue, ut posuere enim neque
in libero. Donec eget sagittis nibh. Suspendisse sed tincidunt urna. Cras quis
euismod neque. Maecenas auctor ultricies posuere. Pellentesque luctus pulvinar dui
eget semper. Donec sodales odio eu sapien varius luctus. Donec dictum feugiat diam
at malesuada. Sed nec massa in augue condimentum faucibus quis ut diam. Quisque
nisl sem, semper nec vulputate vel, mattis sit amet justo. Aliquam purus felis,
tempor at scelerisque quis, tincidunt in neque. Etiam ut risus diam. Pellentesque
fermentum risus id elit feugiat cursus. Ut fringilla dictum diam, sed iaculis
lorem pulvinar ut. Cras vel elit id velit commodo viverra sit amet vel orci.</p>
</article>
</main>
<footer>
© <a href="https://anton.shevchuk.name/jquery-book/">jQuery for beginners</a>
</footer>
<aside>
<nav>
<a href="animate.prefilter.html" title="go prev" rel="prev">Prev</a>
<a href="index.html#90" title="back to Index" rel="index">Index</a>
<a href="#" title="reload" onclick="window.location.reload();return false">Reload</a>
<a href="animate.step.html" title="go next" rel="next">Next</a>
</nav>
<hr/>
<code contenteditable="true">$(<span>"img"</span>).animate({
<span>"diagonal"</span>:400
}, 2000)</code>
<button type="button">Run Code</button>
</aside>
<aside id="output">
<h4>Output:</h4>
<hr/>
<code></code>
</aside>
</body>
</html>