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Adds option to configure the friction for swipeEasing #142

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Adds option to configure the friction for swipeEasing #142

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12 changes: 6 additions & 6 deletions README.md
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Expand Up @@ -9,10 +9,10 @@
<p align="center">Minimalistic but perfect custom scrollbar plugin<p>


<p align="center">
<p align="center">
<a href="https://npmcharts.com/compare/perfect-scrollbar?minimal=true"><img src="https://img.shields.io/npm/dm/perfect-scrollbar.svg" alt="Downloads"></a>
<a href="https://github.com/mdbootstrap/bootstrap-material-design/blob/master/License.pdf"><img src="https://img.shields.io/badge/license-MIT-green.svg" alt="License"></a>
<a href="https://badge.fury.io/js/perfect-scrollbar"><img src="https://badge.fury.io/js/perfect-scrollbar.svg" alt="npm"></a>
<a href="https://github.com/mdbootstrap/bootstrap-material-design/blob/master/License.pdf"><img src="https://img.shields.io/badge/license-MIT-green.svg" alt="License"></a>
<a href="https://badge.fury.io/js/perfect-scrollbar"><img src="https://badge.fury.io/js/perfect-scrollbar.svg" alt="npm"></a>
<a href="https://twitter.com/intent/tweet/?text=Thanks+@mdbootstrap+for+maintaining+amazing+and+free+Perfect+Scrollbar+Plugin%20https://perfectscrollbar.com/&hashtags=javascript,code,webdesign,bootstrap"><img src="https://img.shields.io/twitter/url/http/shields.io.svg?style=social&label=Let%20us%20know%20you%20were%20here%21&"></a>
<a href="https://www.youtube.com/watch?v=c9B4TPnak1A"><img alt="YouTube Video Views" src="https://img.shields.io/youtube/views/c9B4TPnak1A?label=Bootstrap%205%20Tutorial%20Views&style=social"></a>
</p>
Expand Down Expand Up @@ -55,14 +55,14 @@ Check out the [Live Preview](https://mdbootstrap.com/snippets/standard/marveluck

- [Twitter](https://twitter.com/MDBootstrap)

- [Facebook](https://www.facebook.com/mdbootstrap)
- [Facebook](https://www.facebook.com/mdbootstrap)

- [Pinterest](https://pl.pinterest.com/mdbootstrap)

- [Dribbble](https://dribbble.com/mdbootstrap)

- [LinkedIn](https://www.linkedin.com/company/material-design-for-bootstrap)

- [YouTube](https://www.youtube.com/channel/UC5CF7mLQZhvx8O5GODZAhdA)

## Get Free Material Design for Bootstrap 5
Expand All @@ -77,7 +77,7 @@ Check out the [Live Preview](https://mdbootstrap.com/snippets/standard/marveluck
</td>
<td>
<ul style="list-style-type:none;">
<li>Material Design 2.0 + latest Bootstrap 5 based on plain JavaScript. 700+ material UI components, super simple, 1 minute installation, free templates & much more</li>
<li>Material Design 2.0 + latest Bootstrap 5 based on plain JavaScript. 700+ material UI components, super simple, 1 minute installation, free templates & much more</li>
</ul>
</td>
</tr>
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48 changes: 48 additions & 0 deletions examples/options-swipeEasingFriction.html
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@@ -0,0 +1,48 @@
<!DOCTYPE html>
<html>
<head>
<link href="../css/perfect-scrollbar.css" rel="stylesheet">
<script src="../dist/perfect-scrollbar.js"></script>
<style>
.container {
position: relative;
margin: 30px auto;
padding: 0px;
width: 600px;
height: 400px;
overflow: auto;
}
.container .content {
background-image: url('./assets/azusa.jpg');
width: 1280px;
height: 720px;
color: blue;
font-size: 20px;
}
</style>
</head>
<body>
<div class="container">
<div class="content">
swipeEasingFriction: 0.2
</div>
</div>
<div class="container">
<div class="content">
swipeEasingFriction: 0.05
</div>
</div>

<script>
var containers = document.querySelectorAll('.container');

new PerfectScrollbar(containers[0], {
swipeEasingFriction: 0.2
});

new PerfectScrollbar(containers[1], {
swipeEasingFriction: 0.05
});
</script>
</body>
</html>
4 changes: 2 additions & 2 deletions src/handlers/touch.js
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Expand Up @@ -196,8 +196,8 @@ export default function(i) {

applyTouchMove(speed.x * 30, speed.y * 30);

speed.x *= 0.8;
speed.y *= 0.8;
speed.x *= 1 - i.settings.swipeEasingFriction;
speed.y *= 1 - i.settings.swipeEasingFriction;
}, 10);
}
}
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1 change: 1 addition & 0 deletions src/index.js
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Expand Up @@ -22,6 +22,7 @@ const defaultSettings = () => ({
suppressScrollX: false,
suppressScrollY: false,
swipeEasing: true,
swipeEasingFriction: 0.2,
useBothWheelAxes: false,
wheelPropagation: true,
wheelSpeed: 1,
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1 change: 1 addition & 0 deletions types/perfect-scrollbar.d.ts
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Expand Up @@ -9,6 +9,7 @@ declare namespace PerfectScrollbar {
suppressScrollX?: boolean;
suppressScrollY?: boolean;
swipeEasing?: boolean;
swipeEasingFriction?: number;
useBothWheelAxes?: boolean;
wheelPropagation?: boolean;
wheelSpeed?: number;
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