issue-#2

src/main/java/org/ergasia/javaspacegame/Ammo.java

@@ -30,6 +30,7 @@ public class Ammo {
     private Image image;
     /*This boolean variable is used for the shot system*/
     private boolean check = false;
+	private boolean updatedSpeed = false;
 
     /**
      * The Constructor.
@@ -87,6 +88,19 @@ public void fire(){
 		dy = 5;
 	}
 
+	public void setFirespeed() {
+		if (this.dy<=5) {
+			this.dy = this.dy * 3;
+			updatedSpeed=true;
+		}
+
+	}
+
+
+
+	public void resetSpeed() {
+			this.dy = 5;
+	}
     /**
      * if the player typed the right keyboard button
      * the dx value increases, so the object moves right.

src/main/java/org/ergasia/javaspacegame/Panel.java

@@ -74,7 +74,10 @@ public class Panel extends JPanel implements ActionListener, KeyListener {
     private boolean endGame = false;
 	/*Image of the background */
     private Image bg;
-	private int frameCounter = 0;
+
+	  private PowerUpFuel fuel;
+	  private int frameCounter = 0;
+	  private int fuelEffectDuration = 300;
 
 
 
@@ -107,7 +110,8 @@ public Panel() {
 
         }
 
-        timer = new Timer(16, this);// ~= 60fps.
+
+		timer = new Timer(16, this);// ~= 60fps.
         timer.start();//Starting the thread.
 
     }
@@ -190,6 +194,15 @@ private void doDrawing(Graphics g) {
 
         g2d.drawImage(ship.getImage(), ship.getX(), ship.getY() - 25/*the height of the image*/, this);
 
+		if (fuel!= null && fuel.getImage() != null) {
+			if (!fuel.fuelCheck()){
+				g2d.drawImage(fuel.getImage(), fuel.getX(), fuel.getY(), this);
+			}
+		}
+		else{
+			//System.out.println("Fuel is "+frameCounter);
+
+		}
     }
 
     /**
@@ -200,7 +213,40 @@ private void doDrawing(Graphics g) {
      */
     @Override
     public void actionPerformed(ActionEvent e) {
+		frameCounter++;
+		if (fuel != null && !fuel.fuelCheck()) {
+			fuel.checkForCollision(ammos);
+
+		}
+
+		if (fuel != null && fuel.fuelCheck()){
+
+			// or 300 if using frames
+			// Set all ammo to be fast
 
+			for (Ammo ammo : ammos) {
+				ammo.setFirespeed();
+			}
+
+
+
+			fuelEffectDuration--;
+			System.out.println(fuelEffectDuration);
+			if (fuelEffectDuration <= 0) {
+					fuel.changefuelhit();// end the powerup
+
+					fuelEffectDuration = 300;
+					// Reset ammo speeds if needed
+					for (Ammo ammo : ammos) {
+						ammo.resetSpeed(); // You may need to make this method
+
+				}
+			}
+
+		}
+		if (frameCounter == 100) {
+			fuel= new PowerUpFuel();
+		}
     	//if stage is beaten this if statement is responsible for the setup for the next stage.
     	if(restart){
 			for(int i=0; i<numUfo; i++){
@@ -276,7 +322,7 @@ public void actionPerformed(ActionEvent e) {
 		// 2. Check collisions and respond
 
 
-        repaint();//Calls the paintComponent method.
+		repaint();//Calls the paintComponent method.
     }
 
 	/**

src/main/java/org/ergasia/javaspacegame/PowerUpFuel.java

@@ -0,0 +1,89 @@
+package org.ergasia.javaspacegame;
+
+import java.awt.Image;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Objects;
+import java.util.Random;
+import javax.imageio.ImageIO;
+import javax.swing.ImageIcon;
+
+public class PowerUpFuel {
+    /*X dimension of the object */
+    private int x;
+    /*Y dimension of the object */
+    private int y;
+    /*The width of the object */
+    private int width;
+    /*The height of the object */
+    private int height;
+    private Image image;
+    /*In this variable is saved the total score */
+    /*Random object */
+    private Random rand;
+    private boolean fuelhit;
+    private boolean isActive=false;
+
+    public PowerUpFuel() {
+        ImageIcon ii = null;
+        try {
+            ii = new ImageIcon(ImageIO.read(Objects.requireNonNull(getClass().getResourceAsStream("/gasolina.png"))));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        image = ii.getImage();
+        rand = new Random();
+
+        do{
+            x = 40 + rand.nextInt(720);
+            y = 30 + rand.nextInt(440);
+        }while(x > 642 && y < 137);
+
+        width = image.getWidth(null);
+        height = image.getHeight(null);
+    }
+    public Image getImage() {
+        return image;
+    }
+    public int getX() {
+        return x;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+
+    public void checkForCollision(ArrayList<Ammo> ammos) {
+        if (fuelhit) return;
+
+        for(int i=0; i<ammos.size(); i++){
+
+            int ammoX = ammos.get(i).getX();
+            int ammoY = ammos.get(i).getY();
+            int ammoWidth = ammos.get(i).getWidth();
+            int ammoHeight = ammos.get(i).getHeight();
+
+            if(ammoY + ammoHeight > y && ammoY + ammoHeight < y + height){
+                if(ammoX + ammoWidth > x && ammoX < x + width){
+                    image = null;
+                    fuelhit = true;
+                    boolean isActive = true;
+
+                }
+            }
+
+        }
+
+    }
+    public boolean fuelCheck(){
+        return fuelhit;
+    }
+
+
+
+    public void changefuelhit() {
+        this.fuelhit = false;
+     ;
+    }
+}