Changed tiled background to work based on repetitions.

background.py

@@ -6,17 +6,16 @@ import pygame
 import imloader
 from constants import DEBUG
 class TiledBackground():
-    def __init__(self, width, height, texture_filename, position_x = 0, position_y = 0):
-        self.w = width
-        self.h = height
+    def __init__(self, rep_x, rep_y, texture_filename, position_x = 0, position_y = 0):
         self.position = (position_x, position_y)
         
         texture = imloader.cached_image_loader.get_image_to_screen_percent(texture_filename)
         img_w = texture.get_width()
         img_h = texture.get_height()
 
-        rep_x = (self.w // img_w) + 1
-        rep_y = (self.h // img_h) + 1
+        self.w = img_w * rep_x
+        self.h = img_h * rep_y
+
         if DEBUG:
             print '(' + str(rep_x) + ', ' + str(rep_y) + ')'