diff --git a/classes/minesweeper.py b/classes/minesweeper.py
index 324d39c..ce50e12 100644
--- a/classes/minesweeper.py
+++ b/classes/minesweeper.py
@@ -1,4 +1,3 @@
-from numpy import size
 import pygame
 from classes import system
 
@@ -11,7 +10,7 @@ class Minesweeper:
     offset_x:int=0
     offset_y:int=0
     
-    speed=2
+    speed=1
 
     def __init__(self, position_x=0, position_y=0, size=64):
         self.position_x=position_x
@@ -21,20 +20,29 @@ class Minesweeper:
         self.image = pygame.transform.scale(self.image, (self.size, self.size))
         self.rotated_image = self.image
     
-    def update_offset(self):
+    def update_offset(self, delta:float):
+        dist=round(self.speed*delta/8)
         if self.offset_x>0:
-            self.offset_x-=self.speed
+            self.offset_x-=dist
+            if self.offset_x<0:
+                self.offset_x=0
         elif self.offset_x<0:
-            self.offset_x+=self.speed
+            self.offset_x+=dist
+            if self.offset_x>0:
+                self.offset_x=0
         if self.offset_y>0:
-            self.offset_y-=self.speed
+            self.offset_y-=dist
+            if self.offset_y<0:
+                self.offset_y=0
         elif self.offset_y<0:
-            self.offset_y+=self.speed
+            self.offset_y+=dist
+            if self.offset_y>0:
+                self.offset_y=0
     
-    def draw(self, window):
+    def draw(self, window, delta:float):
         position_on_screen = (self.size*self.position_x + self.offset_x, self.size*self.position_y + self.offset_y)
         window.blit(self.rotated_image, position_on_screen)
-        self.update_offset()
+        self.update_offset(delta)
     
     def move(self, dir:int):
         #południe
@@ -103,7 +111,7 @@ class Map:
             for j in range(len(self.terrain_matrix[i])):
                 self.window.window.blit(self.tile_palette[self.terrain_matrix[i][j]], (self.tile_size*j, self.tile_size*i))
     
-    def draw_objects(self):
-        self.minesweeper.draw(self.window.window)
+    def draw_objects(self, delta:float):
+        self.minesweeper.draw(self.window.window, delta)
     
     
\ No newline at end of file
diff --git a/main.py b/main.py
index fdd9efd..3e32f1f 100644
--- a/main.py
+++ b/main.py
@@ -9,6 +9,9 @@ TILE_SIZE = 64
 TILES_X = 16
 TILES_Y = 10
 
+#ustalenie FPS
+FPS = 60
+
 def main():
     #utworzenie okna do gry
     window = system.Window(TILE_SIZE*TILES_X, TILE_SIZE*TILES_Y, "Intelligent Minesweeper", "icon.png")
@@ -22,14 +25,8 @@ def main():
     game_loop = True
     clock = pygame.time.Clock()
     while game_loop:
-        #ustalenie FPS
-        clock.tick(60)
-        
-        #sprawdzanie różnych interakcji użytkownika
-        for event in pygame.event.get():
-            if event.type == pygame.QUIT:
-                game_loop = False
-                pygame.quit()
+        #ustalenie FPS, delta - czas od ostatniej klatki
+        delta = clock.tick(FPS)
         
         #sterowanie
         keys = pygame.key.get_pressed()
@@ -44,15 +41,18 @@ def main():
             map.minesweeper.move(3)
         
         
-        
         #narysowanie terenu i obiektów
         map.draw_tiles()
-        map.draw_objects()
+        map.draw_objects(delta)
         
         #odświeżenie ekranu
         pygame.display.update()
         
-        
+        #sprawdzanie różnych interakcji użytkownika
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                game_loop = False
+                pygame.quit()
 
 
 if __name__ == "__main__":