From ac8805246d61f105baff6340d06ccf55fa20a357 Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <mpg@redhat.com>
Date: Mon, 12 Mar 2007 23:25:41 +0000
Subject: Actually use EASE_OUT by default, add EASE_IN.

Thanks to Dan to point this out.
---
(limited to 'sugar')

diff --git a/sugar/graphics/animator.py b/sugar/graphics/animator.py
index 00b3e41..2021f42 100644
--- a/sugar/graphics/animator.py
+++ b/sugar/graphics/animator.py
@@ -19,7 +19,8 @@ import time
 
 import gobject
 
-EASE_OUT_EXPO = 1
+EASE_OUT_EXPO = 0
+EASE_IN_EXPO  = 1
 
 class Animator(gobject.GObject):
     __gsignals__ = {
@@ -75,6 +76,8 @@ class Animation(object):
         change = self.end - self.start
 
         if easing == EASE_OUT_EXPO:
+            frame = change * (-pow(2, -10 * time/duration) + 1) + start;
+        elif easing == EASE_IN_EXPO:
             frame = change * pow(2, 10 * (time / duration - 1)) + start;
 
         self.next_frame(frame)
--
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