Fixed the errors and tweaked the spawning system, hopefully it should

work better now

src/main/Controller.java

@@ -34,6 +34,11 @@ public class Controller {
 
 		}
 	}
+	public void createSD(int SDcount){
+		for(int n = 0; n < SDcount; n++){
+			addEntity(new StarDestroyer(810, r.nextInt(400), skin, this, game));
+		}
+	}
 	public void createStarDestroyer(int SDcount){
 		for(int i = 0; i < SDcount; i++){
 			addEntity(new StarDestroyer(810, r.nextInt(400), skin, this, game));

src/main/EnemyFighter.java

@@ -14,6 +14,7 @@ public class EnemyFighter extends GameObject implements EntityTypeB{
 	private Game game;
 	private Controller controller;
 	private double speed = 0.3 + 3 * r.nextDouble() ;
+	public double is_shooting = r.nextInt(60);
 
 	public EnemyFighter(double x, double y, Skins skin, Controller c, Game game){
 		super(x,y);
@@ -24,9 +25,23 @@ public class EnemyFighter extends GameObject implements EntityTypeB{
 	public double getX(){
 		return x;
 	}
+	public void shoot(){
+		if(is_shooting == 0){
+		controller.addEntity(new EnemyLaser(x, y, skin, game));
+		is_shooting++;
+		}
+		else if(is_shooting == 190){
+			is_shooting = 0;
+		}
+		else{
+			is_shooting++;
+		}
+	}
+
 
 	public void tick(){
 		x -= speed;
+		shoot();
 		for(int n = 0; n < game.ea.size(); n++){
 			EntityTypeA tempa = game.ea.get(n);
 			if(GamePhysics.Collision(this, tempa)){

src/main/Game.java

@@ -71,16 +71,17 @@ public class Game extends Canvas implements Runnable{
 		}
 		addKeyListener(new KeyboardInput(this));
 		tp = new Skins(this);
-		p = new Player(200, 200, tp, this);
+		c = new Controller(tp, this);
+
 		if(numberOfPlayers == 2){
-			p2 = new Player2(300, 300, tp, this);
+			p2 = new Player2(300, 300, tp, this, c);
 		}
-		c = new Controller(tp, this);
+		p = new Player(200, 200, tp, this, c);
+
 		ea = c.getEntityA();
 		eb = c.getEntityB();
 		ec = c.getEntityC();
 		ed = c.getEntityD();
-		c.createStarDestroyer(1);
 		c.createEnemy(enemy_count);
 	}
 
@@ -164,10 +165,17 @@ public class Game extends Canvas implements Runnable{
 		p2.tick();
 		}
 		if(kills >= enemy_count){
+			if (enemy_count == 10){
+				c.createSD(SDcount);
+				enemy_count = 2;
+				SDcount++;
+				c.createEnemy(enemy_count);
+			}
 			enemy_count +=1;
 			kills = 0;
 			c.createEnemy(enemy_count);
 		}
+
 	}
 	private void render(){
 		BufferStrategy bufferstrat = this.getBufferStrategy();
@@ -193,14 +201,14 @@ public class Game extends Canvas implements Runnable{
 	public void keyPressed(KeyEvent e){
 		int key = e.getKeyCode();
 		if(key == KeyEvent.VK_RIGHT){
-			p.setVelX(5);
+			p.setVelX(6);
 
 		} else if(key == KeyEvent.VK_LEFT){
-			p.setVelX(-5);
+			p.setVelX(-6);
 		} else if(key == KeyEvent.VK_DOWN){
-			p.setVelY(5);
+			p.setVelY(6);
 		} else if(key == KeyEvent.VK_UP){
-			p.setVelY(-5);
+			p.setVelY(-6);
 		} else if(key == KeyEvent.VK_L ){
 			if(is_shooting == 3){
 				is_shooting = 0;
@@ -209,15 +217,15 @@ public class Game extends Canvas implements Runnable{
 			c.addEntity(new Laser(p.getX(),p.getY(), tp, this));}
 			is_shooting++;
 		} else if(key == KeyEvent.VK_A){
-			p2.setVelX(-5);
+			p2.setVelX(-4);
 		} else if(key == KeyEvent.VK_D){
-			p2.setVelX(5);
+			p2.setVelX(4);
 		}else if(key == KeyEvent.VK_S){
-			p2.setVelY(5);
+			p2.setVelY(4);
 		}else if(key == KeyEvent.VK_W){
-			p2.setVelY(-5);
+			p2.setVelY(-4);
 		}else if(key == KeyEvent.VK_SPACE ){
-			if(is_shooting2 == 3){
+			if(is_shooting2 == 4){
 				is_shooting2 = 0;
 			}
 			if(is_shooting2 == 0){

src/main/GamePhysics.java

@@ -1,10 +1,10 @@
 package main;
 
-import java.util.LinkedList;
 
 import entity.EntityTypeA;
 import entity.EntityTypeB;
 import entity.EntityTypeC;
+import entity.EntityTypeD;
 
 public class GamePhysics {
 	public static boolean Collision(EntityTypeA enta, EntityTypeB bb){
@@ -31,4 +31,12 @@ public class GamePhysics {
 
 		return false;
 	}
+	public static boolean Collision(EntityTypeA entA, EntityTypeD dd){
+
+		if(entA.getBounds().intersects(dd.getBounds())){
+			return true;
+		}
+
+	return false;
+}
 }

src/main/Player.java

@@ -3,26 +3,30 @@ import java.awt.Graphics;
 import java.awt.Rectangle;
 
 import entity.EntityTypeA;
+import entity.EntityTypeD;
 
 public class Player extends GameObject implements EntityTypeA{
-	
+
 	private double velX = 0;
 	private double velY = 0;
-
-
+	private int health = 3;
+
+
 	private Skins skin;
 	private Game game;
-
-	public Player(double x, double y, Skins skin, Game game){
+	private Controller controller;
+
+	public Player(double x, double y, Skins skin, Game game, Controller controller){
 		super(x,y);
 		this.skin = skin;
 		this.game = game;
+		this.controller = controller;
 	}
-	
+
 	public void tick(){
 		x += velX;
 		y += velY;
-		
+
 		if (x <= 0 ){
 			x = 0;
 		}
@@ -35,9 +39,20 @@ public class Player extends GameObject implements EntityTypeA{
 		if (y >= 536){
 			y = 536;
 		}
-
+		for(int n = 0; n < game.ed.size(); n++){
+			EntityTypeD tempa = game.ed.get(n);
+			if(GamePhysics.Collision(this, tempa)){
+				if(health == 1){
+					controller.removeEntity(this);}
+				else{
+					health--;
+					controller.removeEntity(tempa);
+				}
+			}
+		}
+
 	}
-	
+
 	public void render(Graphics g){
 		g.drawImage(skin.player, (int)x, (int)y, null);
 	}
@@ -52,7 +67,7 @@ public class Player extends GameObject implements EntityTypeA{
 	}
 	public void setY(double y){
 		this.y = y;
-		
+
 	}
 	public void setVelX(double velX){
 		this.velX = velX;

src/main/Player2.java

@@ -3,6 +3,7 @@ import java.awt.Graphics;
 import java.awt.Rectangle;
 
 import entity.EntityTypeA;
+import entity.EntityTypeD;
 
 public class Player2 extends GameObject implements EntityTypeA{
 
@@ -12,11 +13,14 @@ public class Player2 extends GameObject implements EntityTypeA{
 
 	private Skins skin;
 	private Game game;
+	private Controller controller;
+	private int health = 4;
 
-	public Player2(double x, double y, Skins skin, Game game){
+	public Player2(double x, double y, Skins skin, Game game, Controller controller){
 		super(x,y);
 		this.skin = skin;
 		this.game = game;
+		this.controller = controller;
 	}
 
 	public void tick(){
@@ -35,6 +39,17 @@ public class Player2 extends GameObject implements EntityTypeA{
 		if (y >= 536){
 			y = 536;
 		}
+		for(int n = 0; n < game.ed.size(); n++){
+			EntityTypeD tempa = game.ed.get(n);
+			if(GamePhysics.Collision(this, tempa)){
+				if(health == 1){
+					controller.removeEntity(this);}
+				else{
+					health--;
+					controller.removeEntity(tempa);
+				}
+			}
+		}
 
 	}
 

src/main/StarDestroyer.java

@@ -36,8 +36,8 @@ public class StarDestroyer extends GameObject implements EntityTypeC{
 		if(GamePhysics.Collision(this, tempa)){
 			if(health ==1)
 				{controller.removeEntity(this);
-				game.setKills(game.getKills()+1);}
-			else{health--;}
+				}
+				else{health--;}
 			controller.removeEntity(tempa);
 			}
 		}
@@ -48,7 +48,7 @@ public class StarDestroyer extends GameObject implements EntityTypeC{
 		controller.addEntity(new EnemyLaser(x, y, skin, game));
 		is_shooting++;
 		}
-		else if(is_shooting == r.nextDouble()* 60 + 60){
+		else if(is_shooting == 100){
 			is_shooting = 0;
 		}
 		else{