add infinite cycle iter and arcade texture object loading, fix docstrings

triple-dungeon/sprites.py

@@ -2,9 +2,13 @@
 sprites.py
 A file dedicated to managing sprites and animations for characters.
 """
+
+import arcade
 import os
 import re
 
+from itertools import cycle
+
 
 class AnimationSet(object):
     """
@@ -18,16 +22,25 @@ class AnimationSet(object):
         :param directory: A directory containing valid animation files in the correct format.
         """
 
-        self.animations = os.path.listdir(directory)
+        self.directory = directory
+        self.animations = os.listdir(directory)
 
     def getAnimations(self, pattern: re.Pattern) -> iter:
+        """
+        Loads all animations from the AnimationSet's directory that match the pattern.
+        The pattern must have 1 group that specifies the animation's index.
+
+        :param pattern: A RegEx Pattern object.
+        :return: A infinite iterable looping through arcade.Texture objects.
+        """
+
         # Finds all matching files
         matches = [file for file in self.animations if re.match(pattern, file)]
         # Sort in ascending order based on the connected animation index. Zero-indexing or not does not affect order.
         matches.sort(key=lambda match : int(match.group(1)))
         # Grab the filename and load it to the file directory
-        matches = list(map(lambda match : os.path.join(directory, match.group(0)), matches))
+        matches = list(map(lambda match : arcade.load_texture(os.path.join(self.directory, match.group(0))), matches))
-        return matches
+        return cycle(matches)
 
 class PlayerAnimations(AnimationSet):
     """