no useless parameters

src/main/java/core/Drawable.java

@@ -1,7 +1,10 @@
 package core;
 
-import java.awt.*;
+import java.awt.Graphics2D;
 
+/**
+ * This interface has to be implemented by every
+ */
 public interface Drawable {
 
     /**
@@ -12,8 +15,6 @@ public interface Drawable {
      * <p>This function is <i>NOT</i> intended to be called manually.</p>
      *
      * @param g2d    The {@code Graphics2D} object given by the master
-     * @param w      The width of the screen
-     * @param master The master object itself
      */
-    void draw(Graphics2D g2d, int w, Master master);
+    void draw(Graphics2D g2d);
 }

src/main/java/core/Master.java

@@ -111,7 +111,7 @@ public class Master extends JPanel {
 
         Graphics2D g2d = (Graphics2D) g.create();
 
-        drawables.forEach(o -> o.draw(g2d, w, this));
+        drawables.forEach(o -> o.draw(g2d));
     }
 
 

src/main/java/core/physics/RectHitBox.java

@@ -149,7 +149,7 @@ public class RectHitBox extends Hitbox {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
 
         this.w = w;
         int h = (int) (w / Master.SCREEN_RATIO);

src/main/java/objects/DebugPos.java

@@ -1,6 +1,5 @@
 package objects;
 
-import core.Master;
 import core.math.Vector2D;
 
 import java.awt.*;
@@ -15,7 +14,7 @@ public class DebugPos extends GameObject {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
         g2d.setPaint(Color.green);
         g2d.drawOval((int) (position.x - size.x / 2), (int) (position.y - size.y / 2), (int) size.x, (int) size.y);
     }

src/main/java/objects/GameObject.java

@@ -10,13 +10,10 @@ import java.awt.*;
 
 /**
  * The GameObject class is the superclass of every GameObject that can be displayed on screen. It has the 2
- * {@link #update()} and {@link #draw(Graphics2D, int, Master)} methods that have to be
+ * {@link #update()} and {@link #draw(Graphics2D)} methods that have to be
  */
 public abstract class GameObject implements Drawable {
 
-    protected int w;
-    protected int h;
-
     protected Vector2D position;
     protected Vector2D size;
 
@@ -67,11 +64,8 @@ public abstract class GameObject implements Drawable {
      * This method draws a rectangle at the current position and size
      *
      * @param g2d The Graphics2D object provided by the master
-     * @param w   The width of the screen
      */
-    public void drawRect(Graphics2D g2d, int w) {
+    public void drawRect(Graphics2D g2d) {
-        this.w = w;
-        h = (int) (this.w / Master.SCREEN_RATIO);
         Vector2D abs = Coords.getWorldCoords(position);
         Vector2D sizeAbs = Coords.getWorldCoordsSize(size);
 
@@ -83,11 +77,8 @@ public abstract class GameObject implements Drawable {
      * This method draws a rectangle at the current position and size
      *
      * @param g2d The Graphics2D object provided by the master
-     * @param w   The width of the screen
      */
-    public void drawOval(Graphics2D g2d, int w) {
+    public void drawOval(Graphics2D g2d) {
-        this.w = w;
-        h = (int) (this.w / Master.SCREEN_RATIO);
         Vector2D abs = Coords.getWorldCoords(position);
         Vector2D sizeAbs = Coords.getWorldCoordsSize(size);
 
@@ -99,13 +90,10 @@ public abstract class GameObject implements Drawable {
      * This method draws a rounded rectangle at the current position and size
      *
      * @param g2d  The Graphics2D object provided by the master
-     * @param w    The width of the screen
      * @param arcW The arc width of the rectangle
      * @param arcH The arc height of the rectangle
      */
-    public void drawRoundRect(Graphics2D g2d, int w, int arcW, int arcH) {
+    public void drawRoundRect(Graphics2D g2d, int arcW, int arcH) {
-        this.w = w;
-        h = (int) (w / Master.SCREEN_RATIO);
         Vector2D abs = Coords.getWorldCoords(position);
         Vector2D sizeAbs = Coords.getWorldCoordsSize(size);
 

src/main/java/objects/ships/BattleShip.java

@@ -1,6 +1,5 @@
 package objects.ships;
 
-import core.Master;
 import objects.GameObject;
 
 import java.awt.*;
@@ -27,10 +26,10 @@ public class BattleShip extends GameObject {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
 
-        drawRoundRect(g2d, w, w/10, w/10);
+        drawRoundRect(g2d, master.getW()/10, master.getW()/10);
-        turrets.forEach((turret -> turret.draw(g2d, w, master)));
+        turrets.forEach((turret -> turret.draw(g2d)));
     }
 
     @Override

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

@@ -1,6 +1,5 @@
 package objects.ships;
 
-import core.Master;
 import core.math.Vector2D;
 import objects.GameObject;
 
@@ -15,7 +14,7 @@ public class Shell extends GameObject {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
         g2d.setPaint(Color.orange);
         g2d.fillOval((int) position.x, (int) position.y, (int) size.x, (int) size.y);
     }

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

@@ -1,7 +1,6 @@
 package objects.ships;
 
 import core.Coords;
-import core.Master;
 import core.math.Vector2D;
 import core.physics.Collidable;
 import core.physics.Hitbox;
@@ -21,9 +20,9 @@ public class Submarine extends GameObject implements Collidable {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
         g2d.setPaint(Color.BLUE);
-        drawOval(g2d, w);
+        drawOval(g2d);
     }
 
     @Override

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

@@ -1,7 +1,6 @@
 package objects.ships;
 
 import core.math.ExMath;
-import core.Master;
 import core.math.Vector2D;
 import objects.GameObject;
 
@@ -42,8 +41,7 @@ public class Turret extends GameObject {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
-        h = w / 16 * 9;
         g2d.setPaint(mainColor);
         Vector2D abs = battleShip.getWorldCoordsFromLocal(position);
         int sizeAbs = (int) battleShip.getWorldCoordsFromLocalSize(size).x;

src/main/java/objects/world/Grid.java

@@ -10,23 +10,23 @@ import java.awt.*;
  */
 public class Grid extends GameObject {
 
-    private final int gridSpacing = 50;
+    private static final int GRID_SPACING = 50;
 
     public Grid() {
         super(0, 0, 0, 0);
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
         g2d.setPaint(Color.LIGHT_GRAY);
 
-        this.w = w;
+        int w = master.getW();
-        h = w/16*9;
+        int h = w/16*9;
 
         g2d.drawRect(0, 0, w, h);
 
-        int verticalLines = w / gridSpacing;
+        int verticalLines = w / GRID_SPACING;
-        int horizontalLines = h / gridSpacing;
+        int horizontalLines = h / GRID_SPACING;
 
         for (int i = 0; i < horizontalLines; i++) {
             int y = i * h / horizontalLines;

src/main/java/objects/world/Wall.java

@@ -1,6 +1,5 @@
 package objects.world;
 
-import core.Master;
 import core.math.Vector2D;
 import core.physics.Collidable;
 import core.physics.Hitbox;
@@ -19,8 +18,8 @@ public class Wall extends GameObject implements Collidable {
     }
 
     @Override
-    public void draw(Graphics2D g2d, int w, Master master) {
+    public void draw(Graphics2D g2d) {
-        drawRect(g2d, w);
+        drawRect(g2d);
     }
 
     @Override