Various tweaks and speculative changes

core/src/mindustry/ai/formations/patterns/CircleFormation.java

@@ -5,20 +5,14 @@ import arc.math.geom.*;
 import mindustry.ai.formations.*;
 
 public class CircleFormation extends FormationPattern{
-    /** The radius of one member. This is needed to determine how close we can pack a given number of members around circle. */
-    public float memberRadius;
     /** Angle offset. */
     public float angleOffset = 0;
 
-    public CircleFormation(float memberRadius){
-        this.memberRadius = memberRadius;
-    }
-
     @Override
     public Vec3 calculateSlotLocation(Vec3 outLocation, int slotNumber){
         if(slots > 1){
             float angle = (360f * slotNumber) / slots;
-            float radius = memberRadius / (float)Math.sin(180f / slots * Mathf.degRad);
+            float radius = spacing / (float)Math.sin(180f / slots * Mathf.degRad);
             outLocation.set(Angles.trnsx(angle, radius), Angles.trnsy(angle, radius), angle);
         }else{
             outLocation.set(0, 0, 360f * slotNumber);