Merge pull request #3174 from genNAowl/alternate-recalculation

Change "Alternate" calculation in Turret.java

core/src/mindustry/world/blocks/defense/turrets/Turret.java

@@ -364,7 +364,7 @@ public abstract class Turret extends ReloadTurret{
                 //otherwise, use the normal shot pattern(s)
 
                 if(alternate){
-                    float i = (shotCounter % shots) - shots/2f + (((shots+1)%2) / 2f);
+                    float i = (shotCounter % shots) - (shots-1)/2f;
 
                     tr.trns(rotation - 90, spread * i + Mathf.range(xRand), size * tilesize / 2f);
                     bullet(type, rotation + Mathf.range(inaccuracy));