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@alloc/easing

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  • License MIT

ESM-only fork of @gamestdio/easing

Package Exports

  • @alloc/easing
  • @alloc/easing/dist/index.mjs

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@alloc/easing) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

@alloc/easing

This is an ESM-only fork of the @gamestdio/easing package. It's a grab-bag of Robert Penner's easing equations, most of the code from glsl-easings. Pull requests for optimizations are welcome.

Usage

NPM

Full list of eases:

import { backInOut } from '@gamestdio/easing';
import { backIn } from '@gamestdio/easing';
import { backOut } from '@gamestdio/easing';
import { bounceInOut } from '@gamestdio/easing';
import { bounceIn } from '@gamestdio/easing';
import { bounceOut } from '@gamestdio/easing';
import { circInOut } from '@gamestdio/easing';
import { circIn } from '@gamestdio/easing';
import { circOut } from '@gamestdio/easing';
import { cubicInOut } from '@gamestdio/easing';
import { cubicIn } from '@gamestdio/easing';
import { cubicOut } from '@gamestdio/easing';
import { elasticInOut } from '@gamestdio/easing';
import { elasticIn } from '@gamestdio/easing';
import { elasticOut } from '@gamestdio/easing';
import { expoInOut } from '@gamestdio/easing';
import { expoIn } from '@gamestdio/easing';
import { expoOut } from '@gamestdio/easing';
import { linear } from '@gamestdio/easing';
import { quadInOut } from '@gamestdio/easing';
import { quadIn } from '@gamestdio/easing';
import { quadOut } from '@gamestdio/easing';
import { quartInOut } from '@gamestdio/easing';
import { quartIn } from '@gamestdio/easing';
import { quartOut } from '@gamestdio/easing';
import { quintInOut } from '@gamestdio/easing';
import { quintIn } from '@gamestdio/easing';
import { quintOut } from '@gamestdio/easing';
import { sineInOut } from '@gamestdio/easing';
import { sineIn } from '@gamestdio/easing';
import { sineOut } from '@gamestdio/easing';

All easing functions only remap a time value, and all have the same signature.

v = ease(t)

Where t is typically a value between 0 and 1, and it returns a new float that has been eased.

License

MIT, see LICENSE.md for details.