System for controlling bullet movement

core/src/mindustry/entities/Mover.java

@@ -0,0 +1,9 @@
+package mindustry.entities;
+
+import arc.math.geom.*;
+import mindustry.gen.*;
+
+/** Applies custom movement to a bullet. */
+public interface Mover{
+    float move(Bullet bullet);
+}