Why use it?

tween object value.

Live Demo

Installation

npm install lesca-object-tweener --save

Usage

import Tweener, { Bezier } from 'lesca-object-tweener';

// use single tween
const tweener = new Tweener({
  from: { top: 0, left: 0 },
  to: { top: 500, left: 500 },
  duration: 1000,
  delay: 1000,
  easing: Bezier.linear,
  onUpdate: (e) => console.log(e), // {top:0~500, left:0~500}
  onComplete: (e) => console.log(e), // { top: 500, left: 500 }
}).play();

tweener
  .add({
    to: { top: 1000 },
    duration: 1000,
    delay: 1000,
    easing: Bezier.easeInOutQuint,
    onStart: () => alert('start'),
    onUpdate: (e) => console.log(e), // {top:0~1000, left:500}
    onComplete: (e) => console.log(e), // {top:1000, left:500}
  })
  .play();

// use multiple tween
const tweener = new Tweener();

[
  { top: 0, left: 0 },
  { top: 100, left: 100 },
].forEach((data) => {
  tweener.add({
    from: { top: 0 }, // first loop will add "from". Second time tweener will ignore "from"
    to: { top: 100 },
    duration: 0,
    easing: Bezier.easeInOutQuint,
    onUpdate: (e) => console.log(e), // { top:0~100 }
    onComplete: (e) => console.log(e), // { top:100 }
  });
});
tweener.play(); // Need to run play when new constructor without any params

Development

Methods

Properties

Features

• maintain if necessary

references

css-cubic-bezier-generator

bezier-easing