refractoring

src/main/java/objects/DebugPos.java

@@ -1,7 +1,7 @@
 package objects;
 
 import core.Master;
-import core.Vector2D;
+import core.math.Vector2D;
 
 import java.awt.*;
 

src/main/java/objects/GameObject.java

@@ -1,11 +1,9 @@
 package objects;
 
 import core.Master;
-import core.Vector2D;
+import core.math.Vector2D;
 
 import java.awt.*;
-import java.util.function.Consumer;
-import java.util.function.Function;
 
 /**
  * The GameObject class is the superclass of every GameObject that can be displayed on screen. It has the 2

src/main/java/objects/ships/Shell.java

@@ -1,7 +1,7 @@
 package objects.ships;
 
 import core.Master;
-import core.Vector2D;
+import core.math.Vector2D;
 import objects.GameObject;
 
 import java.awt.*;

src/main/java/objects/ships/Submarine.java

@@ -1,7 +1,7 @@
 package objects.ships;
 
 import core.Master;
-import core.Vector2D;
+import core.math.Vector2D;
 import objects.GameObject;
 
 import java.awt.*;

src/main/java/objects/ships/Turret.java

@@ -1,8 +1,8 @@
 package objects.ships;
 
-import core.ExMath;
+import core.math.ExMath;
 import core.Master;
-import core.Vector2D;
+import core.math.Vector2D;
 import objects.GameObject;
 
 import java.awt.*;