bugfixing

src/tower.py

@@ -43,7 +43,7 @@ class Tower:
     def try_build(self, player_rect: pygame.Rect, keys: pygame.key.ScancodeWrapper, ects):
 
             # Baut Tower wenn Spieler E drückt, auf Feld steht und genug ects hat
-            if not self.field.rect or self.tower.rect:
+            if not self.field_rect or self.tower_rect:
                 return False
             if not (self.field_rect.colliderect(player_rect) and keys[pygame.K_e] and ects.balance >= TOWER_COST):
                 return False
@@ -95,7 +95,7 @@ class Tower:
         # ein neues Feld soll spawnen nach dem Respawn Delay
         if not self.tower_rect and not self.field_rect and self.despawn_time:
             if now - self.despawn_time >= respawn_delay:
-                self.spawn_field(room_rect, blocked_rects)
+                self.field_spawn(room_rect, blocked_rects)
                 self.despawn_time = None
 
         return total_damage