Fix for piglet swapped x,y coordinate system

Author: ThomasNobesMonash2

python/opss25/a1/ex2_lorr_heuristics.py

@@ -116,13 +116,13 @@ def get_init_turns(state1, state2):
 
     # Determine candidate target directions
     possible_targets = []
-    if dx > 0:
+    if dy > 0:
         possible_targets.append(Directions.EAST)
-    elif dx < 0:
+    elif dy < 0:
         possible_targets.append(Directions.WEST)
-    if dy > 0:
+    if dx > 0:
         possible_targets.append(Directions.SOUTH)
-    elif dy < 0:
+    elif dx < 0:
         possible_targets.append(Directions.NORTH)
 
     if not possible_targets: