-
-
Save Rithie/3deef845a26353fe1d97606fe9ca7f07 to your computer and use it in GitHub Desktop.
Simple Easing Functions in Javascript - see https://github.com/gre/bezier-easing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * Easing Functions - inspired from http://gizma.com/easing/ | |
| * only considering the t value for the range [0, 1] => [0, 1] | |
| */ | |
| EasingFunctions = { | |
| // no easing, no acceleration | |
| linear: function (t) { return t }, | |
| // accelerating from zero velocity | |
| easeInQuad: function (t) { return t*t }, | |
| // decelerating to zero velocity | |
| easeOutQuad: function (t) { return t*(2-t) }, | |
| // acceleration until halfway, then deceleration | |
| easeInOutQuad: function (t) { return t<.5 ? 2*t*t : -1+(4-2*t)*t }, | |
| // accelerating from zero velocity | |
| easeInCubic: function (t) { return t*t*t }, | |
| // decelerating to zero velocity | |
| easeOutCubic: function (t) { return (--t)*t*t+1 }, | |
| // acceleration until halfway, then deceleration | |
| easeInOutCubic: function (t) { return t<.5 ? 4*t*t*t : (t-1)*(2*t-2)*(2*t-2)+1 }, | |
| // accelerating from zero velocity | |
| easeInQuart: function (t) { return t*t*t*t }, | |
| // decelerating to zero velocity | |
| easeOutQuart: function (t) { return 1-(--t)*t*t*t }, | |
| // acceleration until halfway, then deceleration | |
| easeInOutQuart: function (t) { return t<.5 ? 8*t*t*t*t : 1-8*(--t)*t*t*t }, | |
| // accelerating from zero velocity | |
| easeInQuint: function (t) { return t*t*t*t*t }, | |
| // decelerating to zero velocity | |
| easeOutQuint: function (t) { return 1+(--t)*t*t*t*t }, | |
| // acceleration until halfway, then deceleration | |
| easeInOutQuint: function (t) { return t<.5 ? 16*t*t*t*t*t : 1+16*(--t)*t*t*t*t } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment