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    100M100P100Q137284F
  • License MIT

grab bag of easing equations

Package Exports

  • eases
  • eases/circ-out
  • eases/cubic-in-out
  • eases/cubic-out
  • eases/expo-in-out
  • eases/expo-out
  • eases/linear
  • eases/quad-in
  • eases/quad-in-out
  • eases/quad-out
  • eases/quart-in-out
  • eases/quint-in-out
  • eases/quint-out
  • eases/sine-in
  • eases/sine-in-out
  • eases/sine-out

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 (eases) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

eases

stable

This is a grab-bag of Robert Penner's easing equations, most of the code from glsl-easings. Pull requests for optimizations are welcome.

//require all eases
var quadIn = require('eases').quadIn

//require only the single function
var quadIn = require('eases/quad-in')

Usage

NPM

Each easing has its own file which can be required individually. The entry point also exports all eases with camelCase, so require('eases/expo-in-out') becomes require('eases').expoInOut.

Full list of eases:

require('eases/back-in-out')
require('eases/back-in')
require('eases/back-out')
require('eases/bounce-in-out')
require('eases/bounce-in')
require('eases/bounce-out')
require('eases/circ-in-out')
require('eases/circ-in')
require('eases/circ-out')
require('eases/cubic-in-out')
require('eases/cubic-in')
require('eases/cubic-out')
require('eases/elastic-in-out')
require('eases/elastic-in')
require('eases/elastic-out')
require('eases/expo-in-out')
require('eases/expo-in')
require('eases/expo-out')
require('eases/linear')
require('eases/quad-in-out')
require('eases/quad-in')
require('eases/quad-out')
require('eases/quart-in-out')
require('eases/quart-in')
require('eases/quart-out')
require('eases/quint-in-out')
require('eases/quint-in')
require('eases/quint-out')
require('eases/sine-in-out')
require('eases/sine-in')
require('eases/sine-out')

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.