From d6fa5d7fffd6d89fda9f3762271685ffbb5b545d Mon Sep 17 00:00:00 2001
From: Edwin Jakobs <edwin@rndr.studio>
Date: Wed, 8 Apr 2020 00:21:30 +0200
Subject: [PATCH] Add missing easing functions to orx-keyframer

---
 orx-keyframer/README.md                    | 38 ++++++++++++++++++++++
 orx-keyframer/src/main/kotlin/Keyframer.kt | 21 ++++++++++--
 2 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/orx-keyframer/README.md b/orx-keyframer/README.md
index 2ebffed8..8aab66de 100644
--- a/orx-keyframer/README.md
+++ b/orx-keyframer/README.md
@@ -72,6 +72,44 @@ extend {
     drawer.circle(animation.position, animation.radius)
 }
 ```
+## Easing
+
+All the easing functions of orx-easing are available 
+
+ - linear
+ - back-in
+ - back-out
+ - back-in-out
+ - bounce-in
+ - bounce-out
+ - bounce-in-out
+ - circ-in
+ - circ-out
+ - circ-in-out
+ - cubic-in
+ - cubic-out
+ - cubic-in-out
+ - elastic-in
+ - elastic-out
+ - elastic-in-out
+ - expo-in
+ - expo-out
+ - expo-in-out
+ - quad-in
+ - quad-out
+ - quad-in-out
+ - quart-in
+ - quart-out
+ - quart-in-out
+ - quint-in
+ - quint-out
+ - quint-in-out
+ - sine-in
+ - sine-out
+ - sine-in-out
+ - one
+ - zero
+
 
 ## Advanced features
 
diff --git a/orx-keyframer/src/main/kotlin/Keyframer.kt b/orx-keyframer/src/main/kotlin/Keyframer.kt
index 1d3a2528..a11161e9 100644
--- a/orx-keyframer/src/main/kotlin/Keyframer.kt
+++ b/orx-keyframer/src/main/kotlin/Keyframer.kt
@@ -288,9 +288,24 @@ open class Keyframer {
                     null -> Easing.Linear.function
                     is String -> when (easingCandidate) {
                         "linear" -> Easing.Linear.function
+                        "back-in" -> Easing.BackIn.function
+                        "back-out" -> Easing.BackOut.function
+                        "back-in-out" -> Easing.BackInOut.function
+                        "bounce-in" -> Easing.BounceIn.function
+                        "bounce-out" -> Easing.BounceOut.function
+                        "bounce-in-out" -> Easing.BackInOut.function
+                        "circ-in" -> Easing.CircIn.function
+                        "circ-out" -> Easing.CircOut.function
+                        "circ-in-out" -> Easing.CircInOut.function
                         "cubic-in" -> Easing.CubicIn.function
                         "cubic-out" -> Easing.CubicOut.function
                         "cubic-in-out" -> Easing.CubicInOut.function
+                        "elastic-in" -> Easing.ElasticIn.function
+                        "elastic-out" -> Easing.ElasticInOut.function
+                        "elastic-in-out" -> Easing.ElasticOut.function
+                        "expo-in" -> Easing.ExpoIn.function
+                        "expo-out" -> Easing.ExpoOut.function
+                        "expo-in-out" -> Easing.ExpoInOut.function
                         "quad-in" -> Easing.QuadIn.function
                         "quad-out" -> Easing.QuadOut.function
                         "quad-in-out" -> Easing.QuadInOut.function
@@ -300,9 +315,9 @@ open class Keyframer {
                         "quint-in" -> Easing.QuintIn.function
                         "quint-out" -> Easing.QuintOut.function
                         "quint-in-out" -> Easing.QuintInOut.function
-                        "expo-in" -> Easing.ExpoIn.function
-                        "expo-out" -> Easing.ExpoOut.function
-                        "expo-in-out" -> Easing.ExpoInOut.function
+                        "sine-in" -> Easing.SineIn.function
+                        "sine-out" -> Easing.SineOut.function
+                        "sine-in-out" -> Easing.SineInOut.function
                         "one" -> Easing.One.function
                         "zero" -> Easing.Zero.function
                         else -> error("unknown easing name '$easingCandidate'")