diff --git a/src/main/java/core/Coords.java b/src/main/java/core/Coords.java
index 6d77a44..57aaa50 100644
--- a/src/main/java/core/Coords.java
+++ b/src/main/java/core/Coords.java
@@ -42,7 +42,7 @@ public class Coords {
 
     public static Vector2D getWorldCoordsSize(Vector2D value) {
         //TODO h not w
-        double x = (value.x / Master.SCREEN_Y_COORDINATES * master.getW());
+        double x = (value.x / Master.SCREEN_Y_COORDINATES * master.getH());
         double y = (value.y / Master.SCREEN_Y_COORDINATES * master.getH());
         return new Vector2D(x, y);
     }
diff --git a/src/main/java/core/Master.java b/src/main/java/core/Master.java
index 22203db..19b0fc2 100644
--- a/src/main/java/core/Master.java
+++ b/src/main/java/core/Master.java
@@ -79,7 +79,7 @@ public class Master extends JPanel {
 
 
         BattleShip battleShip = new BattleShip(Color.DARK_GRAY);
-        BattleShip bs = new BattleShip(70, 10, 5, 80, Color.GREEN);
+        BattleShip bs = new BattleShip(140, 10, 10, 80, Color.GREEN);
         /*for (int i = 0; i < 10; i++) {
             bs.addTurret(new Turret(bs, 25, 10 * i + 1, 50, i % 5));
         }*/
diff --git a/src/main/java/objects/ships/BattleShip.java b/src/main/java/objects/ships/BattleShip.java
index 55328d4..a936191 100644
--- a/src/main/java/objects/ships/BattleShip.java
+++ b/src/main/java/objects/ships/BattleShip.java
@@ -11,12 +11,11 @@ import java.util.ArrayList;
  */
 public class BattleShip extends GameObject {
 
-    private ArrayList<Turret> turrets;
+    private final ArrayList<Turret> turrets;
 
     public BattleShip(Color mainColor) {
-        this(20, 20, 5, 40, mainColor);
-        //TODO child x coords 100 not 100*16/9
-        turrets.add(new Turret(this, 100*16/9d/4, 25, 50, 3));
+        this(20, 20, 10, 40, mainColor);
+        turrets.add(new Turret(this, 25, 25, 50, 3));
         //turrets.add(new Turret(this, 25, 10, 50, 2));
         //turrets.add(new Turret(this, 25, 70, 50, 2));
     }
diff --git a/src/main/java/objects/ships/Submarine.java b/src/main/java/objects/ships/Submarine.java
index 80215a0..985c8e5 100644
--- a/src/main/java/objects/ships/Submarine.java
+++ b/src/main/java/objects/ships/Submarine.java
@@ -12,7 +12,7 @@ import java.awt.*;
 
 public class Submarine extends GameObject implements Collidable {
 
-    private RectHitBox hitbox;
+    private final RectHitBox hitbox;
 
     public Submarine(Vector2D position, Vector2D size) {
         super(position, size);
diff --git a/src/main/java/objects/ships/Turret.java b/src/main/java/objects/ships/Turret.java
index acd4d1c..6fe83b1 100644
--- a/src/main/java/objects/ships/Turret.java
+++ b/src/main/java/objects/ships/Turret.java
@@ -22,7 +22,7 @@ public class Turret extends GameObject {
 
     private double rotation;
 
-    private Color mainColor;
+    private final Color mainColor;
 
     private long lastShot = 0;
 
@@ -50,7 +50,7 @@ public class Turret extends GameObject {
         int xCenterAbs = (int) (abs.x + sizeAbs / 2);
         int yCenterAbs = (int) (abs.y + sizeAbs / 2);
 
-        g2d.fillOval((int) abs.x, (int) abs.y, (int) sizeAbs, (int) sizeAbs);
+        g2d.fillOval((int) abs.x, (int) abs.y, sizeAbs, sizeAbs);
 
         g2d.setStroke(new BasicStroke((int) battleShip.getWorldCoordsFromLocalSize(new Vector2D(10, 0)).x, BasicStroke.CAP_BUTT,
                 BasicStroke.JOIN_BEVEL));
@@ -58,7 +58,7 @@ public class Turret extends GameObject {
         //BARRELS---------------------------------------
 
         g2d.setPaint(Color.BLACK);
-        int barrelSpacing = (int) (sizeAbs / (barrelAmount + 1));
+        int barrelSpacing = sizeAbs / (barrelAmount + 1);
         g2d.rotate(rotation, xCenterAbs, yCenterAbs);
 
         for (int i = 0; i < barrelAmount; i++) {
@@ -91,7 +91,7 @@ public class Turret extends GameObject {
 
         rotation = ExMath.angleLerp(rotation, targetRotation, ROTATION_SPEED);
 
-        int barrelSpacing = (int) (sizeAbs / (barrelAmount + 1));
+        int barrelSpacing = sizeAbs / (barrelAmount + 1);
 
         for (int i = 0; i < barrelAmount; i++) {
             int barrelX = (int) (abs.x + (i + 1) * barrelSpacing);
diff --git a/src/main/java/objects/world/Grid.java b/src/main/java/objects/world/Grid.java
index 744a8bc..83a555e 100644
--- a/src/main/java/objects/world/Grid.java
+++ b/src/main/java/objects/world/Grid.java
@@ -10,7 +10,7 @@ import java.awt.*;
  */
 public class Grid extends GameObject {
 
-    private int gridSpacing = 50;
+    private final int gridSpacing = 50;
 
     public Grid() {
         super(0, 0, 0, 0);
diff --git a/src/main/java/objects/world/Wall.java b/src/main/java/objects/world/Wall.java
index fb0818f..ee0dbe6 100644
--- a/src/main/java/objects/world/Wall.java
+++ b/src/main/java/objects/world/Wall.java
@@ -11,7 +11,7 @@ import java.awt.*;
 
 public class Wall extends GameObject implements Collidable {
 
-    private RectHitBox hitbox;
+    private final RectHitBox hitbox;
 
     public Wall(double x, double y, double xSize, double ySize) {
         super(x, y, xSize, ySize);
diff --git a/target/classes/core/Master.class b/target/classes/core/Master.class
index efeaa03..49e3fdf 100644
Binary files a/target/classes/core/Master.class and b/target/classes/core/Master.class differ
diff --git a/target/classes/objects/ships/BattleShip.class b/target/classes/objects/ships/BattleShip.class
index 16f9474..0b699a8 100644
Binary files a/target/classes/objects/ships/BattleShip.class and b/target/classes/objects/ships/BattleShip.class differ
diff --git a/target/classes/objects/ships/Turret.class b/target/classes/objects/ships/Turret.class
index 54be3db..e77ea7d 100644
Binary files a/target/classes/objects/ships/Turret.class and b/target/classes/objects/ships/Turret.class differ
diff --git a/target/classes/objects/world/Grid.class b/target/classes/objects/world/Grid.class
index 9dff9cf..463e07d 100644
Binary files a/target/classes/objects/world/Grid.class and b/target/classes/objects/world/Grid.class differ