WIP tank unit type

core/src/mindustry/entities/comp/HitboxComp.java

@@ -69,6 +69,9 @@ abstract class HitboxComp implements Posc, Sized, QuadTreeObject{
     public void hitboxTile(Rect rect){
         //tile hitboxes are never bigger than a tile, otherwise units get stuck
         float size = Math.min(hitSize * 0.66f, 7.9f);
+        //TODO: better / more accurate version is
+        //float size = hitSize * 0.85f;
+        //- for tanks?
         rect.setCentered(x, y, size, size);
     }
 }