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This commit is contained in:
Ilya Kantor 2019-04-02 14:01:44 +03:00
parent 304d578b54
commit 6fb4aabcba
344 changed files with 669 additions and 406 deletions
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18
7-animation/3-js-animation/width.view/animate.js Normal file
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function animate({duration, draw, timing}) {
let start = performance.now();
requestAnimationFrame(function animate(time) {
let timeFraction = (time - start) / duration;
if (timeFraction > 1) timeFraction = 1;
let progress = timing(timeFraction)
draw(progress);
if (timeFraction < 1) {
requestAnimationFrame(animate);
}
});
}

36
7-animation/3-js-animation/width.view/index.html Normal file
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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<style>
progress {
width: 5%;
}
</style>
<script src="animate.js"></script>
</head>
<body>
<progress id="elem"></progress>
<script>
elem.onclick = function() {
animate({
duration: 1000,
timing: function(timeFraction) {
return timeFraction;
},
draw: function(progress) {
elem.style.width = progress * 100 + '%';
}
});
};
</script>
</body>
</html>