Der Spieler kann nun Projectile schießen

SMIMS-Game/PlayerProjectile.java

@@ -0,0 +1,34 @@
+import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
+
+/**
+ * Write a description of class PlayerProjectile here.
+ * 
+ * @author (your name) 
+ * @version (a version number or a date)
+ */
+public class PlayerProjectile extends Actor
+{
+    /**
+     * Act - do whatever the PlayerProjectile wants to do. This method is called whenever
+     * the 'Act' or 'Run' button gets pressed in the environment.
+     */
+    public void act()
+    {
+        move(7);
+        if (!isProjectileOnScreen()){
+            getWorld().removeObject(this);
+        }
+    }
+    
+    public boolean isProjectileOnScreen(){
+        //Check Y-Value
+        if (getY() <= 0 || getY() >= getWorld().getHeight()-1){
+            return false;
+        }
+        //Check X-Value
+        if (getX() <= 0 || getX() >= getWorld().getHeight()-1){
+            return false;
+        }
+        return true;
+    }
+}