Actually using cost constants now

astar.py

@@ -35,6 +35,9 @@ class Render_Info:
 
 class Node:
 
+    COST_DIAGONAL = 14
+    COST_LATERAL = 10
+
     PALETTE_MAP = {
         NodeStates.UNEXPLORED: Colors.GRAY.value,
         NodeStates.SEEN: Colors.BLUE.value,
@@ -81,16 +84,16 @@ class Node:
             [abs(self.position.x - gposition.x),
              abs(self.position.y - gposition.y),]
         )
-        self.gcost = 14 * lower + 10 * (higher-lower)
+        self.gcost = self.COST_DIAGONAL * lower + self.COST_LATERAL * (higher-lower)
    
     def calculate_scost(self, previous_node: 'Node'):
         #calculate scost. If path back to start is smaller, replace self.scost
         #and self.previous_node with node on shorter path.
 
         if self.position.x != previous_node.position.x and self.position.y != previous_node.position.y:
-            ds = 14
+            ds = self.COST_DIAGONAL
         else:
-            ds = 10
+            ds = self.COST_LATERAL
 
         potential_scost = ds + previous_node.scost
 
@@ -125,9 +128,6 @@ class Node:
     
 class Board:
 
-    COST_DIAGONAL = 14
-    COST_LATERAL = 10
-
     def __init__(self, dimensions: XYPair, wall_density: float, render_info: Render_Info):
         screen_dimensions = render_info.screen_dimensions
         padding = render_info.padding