1 files changed, 12 insertions, 0 deletions
diff --git a/src/main/scala/reading/component/widget/Transition.scala b/src/main/scala/reading/component/widget/Transition.scala
new file mode 100644
index 0000000..aa8ff3d
--- /dev/null
+++ b/src/main/scala/reading/component/widget/Transition.scala
@@ -0,0 +1,12 @@
+package reading.component.widget
+
+object Transition {
+  def linear(progress: Double, total: Double): Double =
+    progress / total
+
+  def easeIn(progress: Double, total: Double): Double =
+    math.pow(progress, 2) / math.pow(total, 2)
+
+  def easeOut(progress: Double, total: Double): Double =
+    (-1) * (progress / total) * (progress / total - 2)
+}