diff --git a/game.py b/game.py
index 9ff1401..1d4ec83 100644
--- a/game.py
+++ b/game.py
@@ -1,18 +1,19 @@
 import pygame
 import player
 import helicopter
-import background
+import object
 import tilemap
 import sys
 
+
 def start():
     pygame.init()
     win = pygame.display.set_mode((800, 800))
     player1 = player.Player(0, 0)
     enemy = helicopter.Helicopter(5, 5)
-    Erzmine = background.Erz()
-    Tanken = background.Tank()
-    Ziele = background.Ziel()
+    Erzmine = object.Erz(320, 20)
+    Tanken = object.Tank(50, 200)
+    Ziele = object.Ziel(320, 600)
 
     tile_set = pygame.image.load("resources/roads2W.png").convert_alpha()
 
@@ -53,13 +54,16 @@ def start():
 
         # debug ausgabe
         # ---------------------------
-        # debug_selfrect = font.render('self centerx: ' + str(player1.rect.centerx) + ' self centery: ' + str(player1.rect.centery), True, white)
-        # win.blit(debug_selfrect, (20, 40))
+        debug_selfrect = font.render('self centerx: ' + str(player1.rect.centerx) + ' self centery: ' + str(player1.rect.centery), True, white)
+        win.blit(debug_selfrect, (20, 40))
 
-        # debug_selfrect = font.render('dest x: ' + str(player1.dest_x) + ' dest y: ' + str(player1.dest_y), True, white)
-        # win.blit(debug_selfrect, (20, 60))
+        debug_selfrect = font.render('dest x: ' + str(player1.dest_x) + ' dest y: ' + str(player1.dest_y), True, white)
+        win.blit(debug_selfrect, (20, 60))
         # ---------------------------
 
+        if player1.rect.colliderect(Tanken.rect):
+            player1.Tank = 250
+
         Erzmine.update()
         Erzmine.draw(win)
 
@@ -73,7 +77,7 @@ def start():
         player1.draw(win)
 
         enemy.update(player1)
-        enemy.dest((player1.rect.centerx,player1.rect.centery))
+        enemy.dest((player1.rect.centerx, player1.rect.centery))
         enemy.draw(win)
 
         pygame.display.update()
diff --git a/background.py b/object.py
similarity index 74%
rename from background.py
rename to object.py
index fccaaa5..4b968aa 100644
--- a/background.py
+++ b/object.py
@@ -3,45 +3,38 @@ import pygame
 # Farbe Weiß
 WHITE = (255, 255, 255)
 
+
 class Erz(pygame.sprite.Sprite):
-    def __init__(self):
+    def __init__(self, x, y):
         super().__init__()
         self.image = pygame.image.load("resources/Erzmine.png").convert_alpha()
         self.rect = self.image.get_rect()
-        self.rect = 330, 20
-
+        self.rect = x, y
 
     def draw(self, win):
         groesse = pygame.transform.scale(self.image, (100, 100))
         win.blit(groesse, self.rect)
 
 
-
 class Tank(pygame.sprite.Sprite):
-
-    def __init__(self):
+    def __init__(self, x, y):
         super().__init__()
-        self.image = pygame.image.load("resources/Tank.png").convert_alpha()
+        self.image = pygame.image.load("resources/Tank.jpg").convert_alpha()
         self.rect = self.image.get_rect()
-        self.rect = 30, 220
-
+        self.rect.center = x, y
 
     def draw(self, win):
         groesse = pygame.transform.scale(self.image, (100, 100))
         win.blit(groesse, self.rect)
 
 
-
 class Ziel(pygame.sprite.Sprite):
-
-    def __init__(self):
+    def __init__(self, x, y):
         super().__init__()
-        self.image = pygame.image.load("resources/Ziel.png").convert_alpha()
+        self.image = pygame.image.load("resources/Ziel.jpg").convert_alpha()
         self.rect = self.image.get_rect()
-        self.rect = 330, 520
-
+        self.rect = x, y
 
     def draw(self, win):
         groesse = pygame.transform.scale(self.image, (100, 100))
         win.blit(groesse, self.rect)
-
diff --git a/resources/Tank.png b/resources/Tank.jpg
similarity index 100%
rename from resources/Tank.png
rename to resources/Tank.jpg
diff --git a/resources/Ziel.png b/resources/Ziel.jpg
similarity index 100%
rename from resources/Ziel.png
rename to resources/Ziel.jpg