Fix expo easing

juliangarnier · Nov 28, 2023 · 0da58d2 · 0da58d2
1 parent 620464f
commit 0da58d2
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Showing 6 changed files with 284 additions and 11 deletions.
diff --git a/lib/anime.es.js b/lib/anime.es.js
@@ -1,6 +1,6 @@
 /*
- * anime.js v3.2.1
- * (c) 2020 Julian Garnier
+ * anime.js v3.2.2
+ * (c) 2023 Julian Garnier
  * Released under the MIT license
  * animejs.com
  */
@@ -227,6 +227,7 @@ var penner = (function () {
 
   var functionEasings = {
     Sine: function () { return function (t) { return 1 - Math.cos(t * Math.PI / 2); }; },
+    Expo: function () { return function (t) { return t ? Math.pow(2, 10 * t - 10) : 0; }; },
     Circ: function () { return function (t) { return 1 - Math.sqrt(1 - t * t); }; },
     Back: function () { return function (t) { return t * t * (3 * t - 2); }; },
     Bounce: function () { return function (t) {
@@ -247,7 +248,7 @@ var penner = (function () {
     }
   };
 
-  var baseEasings = ['Quad', 'Cubic', 'Quart', 'Quint', 'Expo'];
+  var baseEasings = ['Quad', 'Cubic', 'Quart', 'Quint'];
 
   baseEasings.forEach(function (name, i) {
     functionEasings[name] = function () { return function (t) { return Math.pow(t, i + 2); }; };

diff --git a/lib/anime.js b/lib/anime.js
@@ -1,6 +1,6 @@
 /*
- * anime.js v3.2.1
- * (c) 2020 Julian Garnier
+ * anime.js v3.2.2
+ * (c) 2023 Julian Garnier
  * Released under the MIT license
  * animejs.com
  */
@@ -229,6 +229,7 @@ var penner = (function () {
 
   var functionEasings = {
     Sine: function () { return function (t) { return 1 - Math.cos(t * Math.PI / 2); }; },
+    Expo: function () { return function (t) { return t ? Math.pow(2, 10 * t - 10) : 0; }; },
     Circ: function () { return function (t) { return 1 - Math.sqrt(1 - t * t); }; },
     Back: function () { return function (t) { return t * t * (3 * t - 2); }; },
     Bounce: function () { return function (t) {
@@ -249,7 +250,7 @@ var penner = (function () {
     }
   };
 
-  var baseEasings = ['Quad', 'Cubic', 'Quart', 'Quint', 'Expo'];
+  var baseEasings = ['Quad', 'Cubic', 'Quart', 'Quint'];
 
   baseEasings.forEach(function (name, i) {
     functionEasings[name] = function () { return function (t) { return Math.pow(t, i + 2); }; };

diff --git a/lib/anime.min.js b/lib/anime.min.js
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "animejs",
-  "version": "3.2.1",
+  "version": "3.2.2",
   "homepage": "http://animejs.com",
   "repository": "juliangarnier/anime",
   "description": "JavaScript animation engine",

diff --git a/src/index.js b/src/index.js
@@ -218,6 +218,7 @@ const penner = (() => {
 
   const functionEasings = {
     Sine: () => t => 1 - Math.cos(t * Math.PI / 2),
+    Expo: () => t => t ? Math.pow(2, 10 * t - 10) : 0,
     Circ: () => t => 1 - Math.sqrt(1 - t * t),
     Back: () => t => t * t * (3 * t - 2),
     Bounce: () => t => {
@@ -235,7 +236,7 @@ const penner = (() => {
     }
   }
 
-  const baseEasings = ['Quad', 'Cubic', 'Quart', 'Quint', 'Expo'];
+  const baseEasings = ['Quad', 'Cubic', 'Quart', 'Quint'];
 
   baseEasings.forEach((name, i) => {
     functionEasings[name] = () => t => Math.pow(t, i + 2);