Remove the randomness from SAM group size.

gen/sam/sam_roland.py

@@ -16,6 +16,7 @@ class RolandGenerator(AirDefenseGroupGenerator):
     price = 40
 
     def generate(self):
+        num_launchers = 2
         self.add_unit(
             AirDefence.Roland_Radar,
             "EWR",
@@ -23,13 +24,18 @@ class RolandGenerator(AirDefenseGroupGenerator):
             self.position.y,
             self.heading,
         )
-        self.add_unit(
-            AirDefence.Roland_ADS,
-            "ADS",
-            self.position.x,
-            self.position.y,
-            self.heading,
+        positions = self.get_circular_position(
+            num_launchers, launcher_distance=80, coverage=240
         )
+
+        for i, position in enumerate(positions):
+            self.add_unit(
+                AirDefence.Roland_ADS,
+                "ADS#" + str(i),
+                position[0],
+                position[1],
+                position[2],
+            )
         self.add_unit(
             Unarmed.M_818,
             "TRUCK",