big update, stonks

.idea/misc.xml

@@ -8,7 +8,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_15" default="false" project-jdk-name="15" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_14" project-jdk-name="14" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

2DGame.iml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4" />

src/main/java/Main.java

@@ -1,4 +1,4 @@
-import core.Master;
+import core.general.Master;
 
 import javax.swing.*;
 import java.awt.*;
@@ -24,7 +24,8 @@ class Main extends JFrame {
         add(master);
 
         setTitle("Points");
-        setSize(1000, (int) (1000 / Master.SCREEN_RATIO));
+        int w = 1500;
+        setSize(w, (int) (w / Master.SCREEN_RATIO));
         setLocationRelativeTo(null);
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 

src/main/java/core/general/Drawable.java

@@ -1,4 +1,4 @@
-package core;
+package core.general;
 
 import java.awt.Graphics2D;
 

src/main/java/core/general/Master.java

@@ -1,12 +1,15 @@
-package core;
+package core.general;
 
 import core.math.Vector2D;
+import core.objects.core.CollGameObject;
 import core.physics.Collidable;
 import core.physics.Collision;
 import core.objects.base.DebugPos;
+import core.physics.hitboxes.Hitbox;
 import objects.ships.BattleShip;
 import core.objects.core.GameObject;
 import objects.ships.Submarine;
+import objects.ships.Turret;
 import objects.world.Grid;
 import objects.world.Wall;
 
@@ -45,6 +48,7 @@ public class Master extends JPanel {
      */
     private final ArrayList<ArrayList<Drawable>> drawables;
 
+
     /**
      * All physics objects that exist
      */
@@ -55,6 +59,11 @@ public class Master extends JPanel {
      */
     private final ArrayList<GameObject> objectBuffer;
 
+    /**
+     * All physics objects that exist
+     */
+    private final ArrayList<Collidable> collidablesBuffer;
+
     /**
      * Whether the left mouse button has been pressed since the last frame
      */
@@ -74,6 +83,7 @@ public class Master extends JPanel {
         objects = new ArrayList<>();
         objectBuffer = new ArrayList<>();
         collidables = new ArrayList<>();
+        collidablesBuffer = new ArrayList<>();
         drawables = new ArrayList<>();
         drawables.add(new ArrayList<>());
 
@@ -82,9 +92,11 @@ public class Master extends JPanel {
 
         BattleShip battleShip = new BattleShip(Color.DARK_GRAY);
         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));
-        }*/
+
+        for (int i = 0; i < 8; i++) {
+            bs.addTurret(new Turret(bs, 2.5, 10 * i + 1, 5, (i % 5 )+ 1));
+
+        }
         create(bs);
         create(battleShip);
 
@@ -143,11 +155,16 @@ public class Master extends JPanel {
      * This method is the entry method for each frame. It handles everything about the frame
      */
     public void refresh() {
+        long time = System.currentTimeMillis();
+        objects.clear();
         objects.addAll(objectBuffer);
-        objectBuffer.clear();
-        objects.forEach(GameObject::update);
+        collidables.clear();
+        collidables.addAll(collidablesBuffer);
+        objects.forEach(GameObject::startUpdate);
+        long time2 = System.currentTimeMillis();
         mousePressed = false;
         repaint();
+        System.out.println("Frame took " + (System.currentTimeMillis() - time) + "ms, " + (time2 - time) + "ms for update, " + (System.currentTimeMillis() - time2) + "ms for draw");
     }
 
     /**
@@ -182,8 +199,8 @@ public class Master extends JPanel {
      */
     public void create(GameObject obj, int renderLayer) {
         objectBuffer.add(obj);
-        if (obj instanceof Collidable) {
-            collidables.add((Collidable) obj);
+        if (obj instanceof CollGameObject) {
+            collidablesBuffer.add((Collidable) obj);
         }
         addDrawable(obj, renderLayer);
 
@@ -221,15 +238,20 @@ public class Master extends JPanel {
      * @return True if it collides with something, false if it doesn't - Should return a Collision
      */
     public Collision doesCollide(Collidable collidable) {
+        long time = System.nanoTime();
         Collision collides = null;
 
         for (Collidable other : collidables) {
-            double distance = Vector2D.distance(other.getCenterPos(), collidable.getCenterPos());
 
+            if (!collidable.getIgnores().contains(other.getClass()) && !other.isTrigger()) {  //ONLY calculate when it's not ignored
+
+                double distance = Vector2D.distance(other.getCenterPos(), collidable.getCenterPos());
                 if (other != collidable && (distance < other.getHitbox().getSize() + collidable.getHitbox().getSize())) {
 
                     if (other.getHitbox().collidesWith(collidable.getHitbox())) {
                         collides = new Collision(collidable, other);
+                        collidable.onCollision();
+                    }
                 }
             }
         }
@@ -245,11 +267,11 @@ public class Master extends JPanel {
     }
 
     public void destroy(GameObject gameObject) {
-        objects.remove(gameObject);
         objectBuffer.remove(gameObject);
         drawables.get(gameObject.getLayer()).remove(gameObject);
         if (gameObject instanceof Collidable) {
-            collidables.remove(gameObject);
+            collidablesBuffer.remove(gameObject);
+            drawables.get(Hitbox.HITBOX_RENDER_LAYER).remove(((CollGameObject) gameObject).getHitbox());
         }
     }
 }

src/main/java/core/math/Coords.java

@@ -1,7 +1,6 @@
 package core.math;
 
-import core.Master;
-import core.math.Vector2D;
+import core.general.Master;
 
 /**
  * This class provides everything about the local coordinate system the game uses
@@ -24,6 +23,7 @@ public class Coords {
 
     /**
      * Get the world coordinates of a point in map coordinates
+     *
      * @param value A point in map coordinates
      * @return The point in world coordinates
      */
@@ -44,4 +44,10 @@ public class Coords {
         double y = (value.y / master.getH()) * Master.SCREEN_Y_COORDINATES;
         return new Vector2D(x, y);
     }
+
+    public static boolean outOfBounds(Vector2D position, Vector2D size) {
+
+        return  (position.x + size.magnitude() < 0 || position.x - size.magnitude() > Master.SCREEN_Y_COORDINATES * Master.SCREEN_RATIO ||
+                position.y + size.magnitude() < 0 || position.y - position.magnitude() > Master.SCREEN_Y_COORDINATES);
+    }
 }

src/main/java/core/math/Vector2D.java

@@ -4,7 +4,7 @@ package core.math;
 import java.awt.*;
 
 /**
- * A 2-dimensional Vector that can be used to store position or velocity
+ * A 2-dimensional Vector that can be used to store position or velocity or size or whatever
  */
 public class Vector2D {
 
@@ -44,6 +44,7 @@ public class Vector2D {
         return new Vector2D(point.x, point.y);
     }
 
+
     /**
      * Add another Vector to this vector, modifies this object
      *
@@ -123,6 +124,17 @@ public class Vector2D {
         return new Vector2D(a.x - b.x, a.y - b.y);
     }
 
+    /**
+     * Divide a Vector by a scalar
+     *
+     * @param a Vector a
+     * @param b Scalar b
+     * @return The result
+     */
+    public static Vector2D divideS(Vector2D a, double b) {
+        return new Vector2D(a.x / b, a.y / b);
+    }
+
     /**
      * Rotate a point around another point
      * <p>

src/main/java/core/objects/base/DebugPos.java

@@ -1,5 +1,6 @@
 package core.objects.base;
 
+import core.math.Coords;
 import core.math.Vector2D;
 import core.objects.core.GameObject;
 

src/main/java/core/objects/core/CollGameObject.java

@@ -5,12 +5,16 @@ import core.objects.core.GameObject;
 import core.physics.Collidable;
 import core.physics.hitboxes.Hitbox;
 
+import java.util.ArrayList;
+
 /**
  * A specialization of GameObject with Collidable properties
  */
 public abstract class CollGameObject extends GameObject implements Collidable {
 
     protected Hitbox hitbox;
+    protected ArrayList<Class<?>> ignores = new ArrayList<>();
+    protected boolean isTrigger = false;
 
     public CollGameObject(Vector2D position, Vector2D size, Hitbox hitbox) {
         super(position, size);
@@ -54,4 +58,18 @@ public abstract class CollGameObject extends GameObject implements Collidable {
     public Vector2D getSize() {
         return size;
     }
+
+    @Override
+    public void onCollision() {
+    }
+
+    @Override
+    public ArrayList<Class<?>> getIgnores() {
+        return ignores;
+    }
+
+    @Override
+    public boolean isTrigger() {
+        return isTrigger;
+    }
 }

src/main/java/core/objects/core/GameObject.java

@@ -1,18 +1,20 @@
 package core.objects.core;
 
 import core.math.Coords;
-import core.Drawable;
-import core.Master;
+import core.general.Drawable;
+import core.general.Master;
 import core.math.Vector2D;
 
 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)} methods that have to be
+ * {@link #update()} and {@link #draw(Graphics2D)} methods that have to be overridden
  */
 public abstract class GameObject implements Drawable {
 
+    protected boolean doesDespawn = true;
+
     protected Vector2D position;
     protected Vector2D size;
 
@@ -37,6 +39,12 @@ public abstract class GameObject implements Drawable {
         this.layer = 0;
     }
 
+    public void startUpdate(){
+        if(Coords.outOfBounds(position, size)){
+            destroy();
+        }
+        update();
+    }
 
     /**
      * <p>The update method is called every frame before the {@link #draw(Graphics2D)} method by the master object on each object. Everything
@@ -99,7 +107,12 @@ public abstract class GameObject implements Drawable {
 
         Vector2D abs;
 
-        abs = (arg.contains("center")) ? Coords.getWorldCoords(getCenterPosition()) : Coords.getWorldCoords(position);
+        if(arg.contains("center")){
+            abs = Coords.getWorldCoords(new Vector2D(position.x - size.x / 2, position.y - size.y / 2));
+        } else {
+            abs = Coords.getWorldCoords(position);
+        }
+
         Vector2D sizeAbs = Coords.getWorldCoords(size);
 
         g2d.setPaint(mainColor);
@@ -121,7 +134,6 @@ public abstract class GameObject implements Drawable {
         g2d.fillRoundRect((int) abs.x, (int) abs.y, (int) sizeAbs.x, (int) sizeAbs.y, arcW, arcH);
     }
 
-    @Deprecated
     public void destroy() {
         master.destroy(this);
     }

src/main/java/core/physics/Collidable.java

@@ -3,10 +3,14 @@ package core.physics;
 import core.math.Vector2D;
 import core.physics.hitboxes.Hitbox;
 
+import java.util.ArrayList;
+
 public interface Collidable {
 
     Hitbox getHitbox();
     Vector2D getCenterPos();
     Vector2D getSize();
-
+    void onCollision();
+    ArrayList<Class<?>> getIgnores();
+    boolean isTrigger();
 }

src/main/java/core/physics/hitboxes/Hitbox.java

@@ -1,11 +1,12 @@
 package core.physics.hitboxes;
 
-import core.Drawable;
+import core.general.Drawable;
 import core.math.Vector2D;
-import core.physics.Collision;
 
 public abstract class Hitbox implements Drawable {
 
+
+    public static final int HITBOX_RENDER_LAYER = 1;
     private final boolean isTrigger;
 
     protected Hitbox(boolean isTrigger) {

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

@@ -1,7 +1,7 @@
 package core.physics.hitboxes;
 
 import core.math.Coords;
-import core.Master;
+import core.general.Master;
 import core.math.Vector2D;
 
 import java.awt.*;
@@ -31,7 +31,7 @@ public class RectHitBox extends Hitbox {
         this.x2 = Vector2D.add(x1, new Vector2D(size.x, 0));
         this.y1 = Vector2D.add(x1, new Vector2D(0, size.y));
         this.y2 = Vector2D.add(x1, new Vector2D(size.x, size.y));
-        Master.getMaster().addDrawable(this, 1);
+        Master.getMaster().addDrawable(this, HITBOX_RENDER_LAYER);
     }
 
     /**
@@ -46,7 +46,6 @@ public class RectHitBox extends Hitbox {
         this.x2 = Vector2D.add(x1, new Vector2D(size.x, 0));
         this.y1 = Vector2D.add(x1, new Vector2D(0, size.y));
         this.y2 = Vector2D.add(x1, new Vector2D(size.x, size.y));
-        Master.getMaster().addDrawable(this, 1);
     }
 
     /**
@@ -166,10 +165,10 @@ public class RectHitBox extends Hitbox {
         return y2;
     }
 
-    @Override
+/*    @Override
     public String toString() {
         return "RectHitBox{" + x1 + " " + x2 + "\n" + y1 + " " + y2 + "}";
-    }
+    }*/
 
     @Override
     public void draw(Graphics2D g2d) {
@@ -177,7 +176,7 @@ public class RectHitBox extends Hitbox {
         Vector2D abs = Coords.getWorldCoords(x1);
         Vector2D sizeAbs = Coords.getWorldCoords(Vector2D.subtract(y2, x1));
 
-        g2d.drawRect((int)abs.x, (int)abs.y, (int)sizeAbs.x, (int)sizeAbs.y);
         g2d.setPaint(Color.MAGENTA);
+        g2d.drawRect((int)abs.x, (int)abs.y, (int)sizeAbs.x, (int)sizeAbs.y);
     }
 }

src/main/java/objects/GameObject.java

@@ -0,0 +1,67 @@
+package objects;
+
+import core.general.Master;
+import core.math.Vector2D;
+
+import java.awt.*;
+
+/**
+ * The GameObject class is the superclass of every GameObject that can be displayed on screen. It has the 2
+ * {@link #update(Master)} and {@link #draw(Graphics2D, int, Master)} methods that have to be
+ */
+public abstract class GameObject {
+
+    protected int w;
+    protected int h;
+
+    protected Vector2D position;
+    protected Vector2D size;
+
+    protected Vector2D velocity;
+
+    public GameObject(double x, double y, double xSize, double ySize) {
+        this(new Vector2D(x, y), new Vector2D(xSize, ySize));
+    }
+
+    public GameObject(Vector2D position, Vector2D size) {
+        this.position = position;
+        this.size = size;
+        this.velocity = new Vector2D();
+    }
+
+    public abstract void draw(Graphics2D g2d, int w, Master master);
+    public abstract void update(Master master);
+
+
+    public double getMapCoords(double value, boolean isX){
+        if (isX){
+            return (position.x + value / 100 * size.x);
+        } else {
+            return (position.y + value / 100 * size.y);
+        }
+    }
+
+    public double getMapCoordsSize(double value, boolean useX){
+        if (useX){
+            return (value / 100 * size.x);
+        } else {
+            return (value / 100 * size.y);
+        }
+    }
+
+    public double getWorldCoords(double value, boolean isX){
+        if (isX){
+            return (value / 100 * w);
+        } else {
+            return (value / 100 * h);
+        }
+    }
+
+    public int getWorldCoordsFromLocal(double value, boolean isX){
+        return (int) getWorldCoords(getMapCoords(value, isX), isX);
+    }
+
+    public int getWorldCoordsFromLocalSize(double value, boolean useX){
+        return (int) getWorldCoords(getMapCoordsSize(value, useX), useX);
+    }
+}

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

@@ -14,10 +14,9 @@ public class BattleShip extends GameObject {
 
     public BattleShip(Color mainColor) {
         this(20, 20, 10, 40, mainColor);
-        //TODO turret size should use w and h but correct just like with world coords
-        turrets.add(new Turret(this, 2.5, 10, 5, 3));
-        //turrets.add(new Turret(this, 25, 10, 50, 2));
-        //turrets.add(new Turret(this, 25, 70, 50, 2));
+        turrets.add(new Turret(this, 2.5, 7, 5, 3));
+        turrets.add(new Turret(this, 2.5, 15, 5, 3));
+        turrets.add(new Turret(this, 2.5, 25, 5, 3));
     }
 
     public BattleShip(double x, double y, double xSize, double ySize, Color mainColor) {

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

@@ -1,20 +1,23 @@
 package objects.ships;
 
 import core.math.Vector2D;
-import core.objects.core.GameObject;
+import core.objects.core.CollGameObject;
+import core.physics.hitboxes.RectHitBox;
 
 import java.awt.*;
 
 /**
  * A shell fired by a cannon
  */
-public class Shell extends GameObject {
+public class Shell extends CollGameObject {
 
 
     public Shell(Vector2D position, Vector2D size, Vector2D velocity) {
-        super(position, size/*, new RectHitBox(position, size)*/);
+        super(position, size, new RectHitBox(position, size));
         this.velocity = velocity;
         this.mainColor = Color.ORANGE;
+        this.ignores.add(Shell.class);
+        this.isTrigger = true;
     }
 
     @Override
@@ -26,4 +29,10 @@ public class Shell extends GameObject {
     public void update() {
         moveTo(Vector2D.add(position, velocity));
     }
+
+    @Override
+    public void onCollision() {
+        destroy();
+        //master.debugPos(position);
+    }
 }

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

@@ -27,5 +27,4 @@ public class Submarine extends CollGameObject {
         Vector2D centerRelPos = new Vector2D(relPos.x - size.x/2, relPos.y - size.y/2);
         moveTo(centerRelPos);
     }
-
 }

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

@@ -81,8 +81,8 @@ public class Turret extends GameObject {
 
         Point msLoc = master.getMouseLocation();
         Vector2D mouseRel = Coords.getMapCoordsFromWorld(Vector2D.fromPoint(msLoc)); //100 correct
-        Vector2D center = battleShip.getMapCoords(getCenterPosition());
-        double targetRotation = -Math.atan2(center.x - mouseRel.x, center.y - mouseRel.y);
+        Vector2D centerMap = battleShip.getMapCoords(getCenterPosition());
+        double targetRotation = -Math.atan2(centerMap.x - mouseRel.x, centerMap.y - mouseRel.y);
 
         rotation = ExMath.angleLerp(rotation, targetRotation, ROTATION_SPEED);
 
@@ -98,14 +98,13 @@ public class Turret extends GameObject {
                 lastShot = System.currentTimeMillis();
 
                 Vector2D shellVel = Vector2D.getUnitVector(rotation).negative().multiply(SHELL_SPEED);
-                master.debugPos(battleShip.getMapCoords(center));
-                master.debugPos(center);
+                //master.debugPos(centerMap);
                 Vector2D pos = Vector2D.rotateAround(
-                        battleShip.getMapCoords(center),
+                        centerMap,
                         spawnPosNR,
                         rotation);
 
-                master.debugPos(pos);
+                //master.debugPos(pos);
                 master.create(new Shell(pos, new Vector2D(SHELL_SIZE, SHELL_SIZE), shellVel));
             }
         }