Remove the randomness from SAM group size.

gen/sam/sam_gepard.py

@@ -17,20 +17,18 @@ class GepardGenerator(AirDefenseGroupGenerator):
     price = 50
 
     def generate(self):
-        self.add_unit(
-            AirDefence.Gepard,
-            "SPAAA",
-            self.position.x,
-            self.position.y,
-            self.heading,
+        num_launchers = 2
+
+        positions = self.get_circular_position(
+            num_launchers, launcher_distance=120, coverage=180
         )
-        if random.randint(0, 1) == 1:
+        for i, position in enumerate(positions):
             self.add_unit(
                 AirDefence.Gepard,
-                "SPAAA2",
-                self.position.x,
-                self.position.y,
-                self.heading,
+                "SPAA#" + str(i),
+                position[0],
+                position[1],
+                position[2],
             )
         self.add_unit(
             Unarmed.M_818,