add asteroids

This project has sparked a interest in seeing what else i can creatate using coding

proposal.md/targets.py

@@ -8,20 +8,18 @@ class Alien:
         self.position = position
 
     def play_turn(self, game):
-        
         width, height = game.board_size
-
         x, y = self.position
 
         directions = [
-            (-1, 0),   # left
-            (1, 0),    # right
-            (0, -1),   # up
-            (0, 1),    # down
-            (-1, -1),  # up-left
-            (-1, 1),   # down-left
-            (1, -1),   # up-right
-            (1, 1)     # down-right
+            (-2, 0),   # left
+            (2, 0),    # right
+            (0, -2),   # up
+            (0, 2),    # down
+            (-2, -2),  # up-left
+            (-2, 2),   # down-left
+            (2, -2),   # up-right
+            (2, 2)     # down-right
         ]
 
         possible_positions = []