Implemented elevating_column.

robotgame/level1.py

@@ -425,7 +425,7 @@ class Wheel(block.Block):
 
         self.init_setting = self.setting
 
-        self.anim = 'stairs'
+        self.anim = 'elevating_column'
 
         self.anim_direction = 1
 

robotgame/loader.py

@@ -86,6 +86,7 @@ class Loader(object):
              ('arrow_left', os.path.join('matt', 'right')),
 
              ('stairs', 'stairs'),
+             ('elevating_column', 'elevating_column'),
 
              ('mirror', 'mirror')]
             ):