diff --git a/board b/board
index f5d2a20..70951f9 100644
--- a/board
+++ b/board
@@ -1,5 +1,6 @@
 import sys
 from queue import PriorityQueue
+import numpy as np
 
 import pygame
 
@@ -165,6 +166,30 @@ def manhattan(node1, node2):
     return distance
 
 
+def f(state):#tablica z losowymi wagami(kosztami) pól, w astar trzeba zsumować wagę pola z heurystyką - f + manhattan
+    weights = np.array([
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 8],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 1],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 3],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 4],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 2],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 6],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 7],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 1],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 3],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 2],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 6],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 7],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 1],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 2],
+        [1, 2, 1, 4, 5, 2, 7, 8, 1, 4, 1, 3, 4, 5, 2]
+    ])
+    pos_x = state[0]
+    pos_y = state[1]
+    #print(weights[pos_x][pos_y])
+    return weights[pos_x][pos_y]
+
+
 class Node:  #prawie jak Field w bfs
     def __init__(self, state, parent, action):
         self.state = state  #position - (x, y, direction)