diff --git a/OGP1718-Worms/src-provided/worms/facade/IFacade.java b/OGP1718-Worms/src-provided/worms/facade/IFacade.java
index abcce2c..dcece3a 100644
--- a/OGP1718-Worms/src-provided/worms/facade/IFacade.java
+++ b/OGP1718-Worms/src-provided/worms/facade/IFacade.java
@@ -9,14 +9,14 @@ import worms.util.MustNotImplementException;
 /**
  * Implement this interface to connect your code to the graphical user interface
  * (GUI).
- * 
+ *
  * <ul>
  * <li>For separating the code that you wrote from the code that was provided to
  * you, put <b>ALL your code in the <code>src</code> folder.</b> The code that
  * is provided to you stays in the <code>src-provided</code> folder. If you
  * modify the provided code, you may need to manually merge any future bugfixes
  * and update.</li>
- * 
+ *
  * <li>You should at least create the following classes for the code to compile:
  * <ul>
  * <li>a class <code>Worm</code> in the package <code>worms.model</code> for
@@ -31,48 +31,48 @@ import worms.util.MustNotImplementException;
  * implements this interface (<code>IFacade</code>).</li>
  * </ul>
  * You may, of course, add additional classes as you see fit.
- * 
+ *
  * <li>The header of that Facade class should look as follows:<br>
  * <code>class Facade implements IFacade { ... }</code><br>
  * Consult the <a href=
  * "http://docs.oracle.com/javase/tutorial/java/IandI/createinterface.html">
  * Java tutorial</a> for more information on interfaces, if necessary.</li>
- * 
+ *
  * <li>Each method defined in the interface <code>IFacade</code> must be
  * implemented by the class <code>Facade</code>. For example, the implementation
  * of <code>getMass</code> should call a method of the given <code>worm</code> to
  * retrieve its mass.</li>
- * 
+ *
  * <li>Your <code>Facade</code> class should offer a default constructor.</li>
- * 
+ *
  * <li>Methods in this interface are allowed to throw only
  * <code>ModelException</code>. No other exception types are allowed. This
  * exception can be thrown only if (1) calling the method with the given
  * parameters would violate a precondition, or (2) if the method causes an
  * exception to be thrown in your code (if so, wrap the exception in a
  * <code>ModelException</code>).</li>
- * 
+ *
  * <li><b>ModelException should not be used anywhere outside of your Facade
  * implementation.</b></li>
- * 
+ *
  * <li>Your Facade implementation should <b>only contain trivial code</b> (for
  * example, calling a method, combining multiple return values into an array,
  * creating @Value instances, catching exceptions and wrapping it in a
  * ModelException). All non-trivial code should be placed in the other classes
  * that you create.</li>
- * 
+ *
  * <li>The rules described above and the documentation described below for each
  * method apply only to the class implementing IFacade. Your class for
  * representing worms should follow the rules described in the assignment.</li>
- * 
+ *
  * <li>Do not modify the signatures of the methods defined in this
  * interface.</li>
- * 
+ *
  * </ul>
  */
 public interface IFacade {
 
-	
+
 	/************
 	 * WORLD
 	 ************/
@@ -94,28 +94,28 @@ public interface IFacade {
 	 *   pixels at the right of the terrain (i.e., largest x-coordinates).     
 	 */
 	public World createWorld(double width, double height,
-			boolean[][] passableMap) throws ModelException;
-	
+							 boolean[][] passableMap) throws ModelException;
+
 	/**
 	 * Terminate the given world.
 	 */
 	void terminate(World world) throws ModelException;
-	
+
 	/**
 	 * Check whether the given worls is terminated.
 	 */
 	boolean isTerminated(World world) throws ModelException;
-	
+
 	/**
 	 * Return the width of the given world.
 	 */
 	public double getWorldWidth(World world) throws ModelException;
-	
+
 	/**
 	 * Return the height of the given world.
 	 */
 	public double getWorldHeight(World world) throws ModelException;
-	
+
 	/**
 	 * Check whether the given world is passable at the given location. 
 	 *   - The location is an array containing the x-coordinate of the location to
@@ -125,25 +125,9 @@ public interface IFacade {
 	boolean isPassable(World world, double[] location) throws ModelException;
 
 	/**
-<<<<<<< HEAD
-	 * Create and return a new worm that is positioned at the given location, looks
-	 * in the given direction, has the given radius and the given name.
-	 * 
-	 * @param location
-	 *            An array containing the x-coordinate of the position of the new
-	 *            worm followed by the y-coordinate of the position of the new worm
-	 *            (in meter)
-	 * @param direction
-	 *            The direction of the new worm (in radians)
-	 * @param radius
-	 *            The radius of the new worm (in meter)
-	 * @param name
-	 *            The name of the new worm
-=======
 	 * Check whether the circular area with given center and given radius
 	 * is passable in the given world.
 	 *   - The circular area must not lie completely within the given world.
->>>>>>> f45fa3fa96c4ea42dd782f398cf71895f06caae9
 	 */
 	boolean isPassable(World world, double[] center, double radius);
 
@@ -153,7 +137,7 @@ public interface IFacade {
 	 *   - The circular area must not lie completely within the given world.
 	 */
 	boolean isAdjacent(World world, double[] center, double radius);
-	
+
 	/**
 	 * Check whether the given world contains the given worm.
 	 */
@@ -163,7 +147,7 @@ public interface IFacade {
 	 * Add the given worm to the given world.
 	 */
 	void addWorm(World world, Worm worm) throws ModelException;
-	
+
 	/**
 	 * Remove the given worm from the given world.
 	 */
@@ -173,7 +157,7 @@ public interface IFacade {
 	 * Return a list filled with all the worms in the given world.
 	 */
 	List<Worm> getAllWorms(World world) throws ModelException;
-	
+
 	/**
 	 * Check whether the given world contains the given food.
 	 */
@@ -183,12 +167,12 @@ public interface IFacade {
 	 * Add the given portion of food to the given world.
 	 */
 	void addFood(World world, Food food) throws ModelException;
-		
+
 	/**
 	 * Remove the given portion of food from the given world.
 	 */
 	void removeFood(World world, Food food) throws ModelException;
-		
+
 	/**
 	 * Return a collection filled with all the worms and all the
 	 * portions of food in the given world.
@@ -199,7 +183,7 @@ public interface IFacade {
 	 * Return a set of all the team in the given world.
 	 */
 	Set<Team> getAllTeams(World world) throws ModelException;
-		
+
 	/**
 	 * Check whether the given world has an active game.
 	 */
@@ -211,12 +195,12 @@ public interface IFacade {
 	 *     player-controlled actions.
 	 */
 	Worm getActiveWorm(World world) throws ModelException;
-	
+
 	/**
 	 * Start a new game in the given world.
 	 */
 	void startGame(World world) throws ModelException;
-	
+
 	/**
 	 * Finish the current game, if any, in the given world.
 	 */
@@ -237,7 +221,7 @@ public interface IFacade {
 	/************
 	 * WORM
 	 ************/
-	
+
 	/**
 	 * Create and return a new worm that is positioned at the given location in
 	 * the given world, that looks in the given direction, that has the given radius
@@ -249,13 +233,13 @@ public interface IFacade {
 	 *     the new worm followed by the y-coordinate of that location.
 	 */
 	Worm createWorm(World world, double[] location, double direction, double radius,
-			String name, Team team) throws ModelException;
-	
+					String name, Team team) throws ModelException;
+
 	/**
 	 * Terminate the given worm.
 	 */
 	void terminate(Worm worm) throws ModelException;
-	
+
 	/**
 	 * Check whether the given worm is terminated.
 	 */
@@ -326,12 +310,12 @@ public interface IFacade {
 	 * Rename the given worm.
 	 */
 	void rename(Worm worm, String newName) throws ModelException;
-	
+
 	/**
 	 * Return the world to which this worm belongs
 	 */
 	World getWorld(Worm worm) throws ModelException;
-	
+
 
 	/**
 	 * Turn the given worm by the given angle.
@@ -339,7 +323,7 @@ public interface IFacade {
 	void turn(Worm worm, double angle);
 
 	/**
-	 * Return the location the farthest away from its current location to which the given 
+	 * Return the location the farthest away from its current location to which the given
 	 * worm can move in the world in which that worm is positioned, if any, following
 	 * the given direction and not exceeding the given maximum distance.
 	 *   - The maximum distance must be finite and may not be negative.
@@ -396,12 +380,12 @@ public interface IFacade {
 	 */
 	void jump(Worm worm, double timeStep) throws ModelException;
 
-	
-	
+
+
 	/************
 	 * FOOD
 	 ************/
-	
+
 	/**
 	 * Create and return a new portion of food that is positioned at the given
 	 * location in the given world.
@@ -409,12 +393,12 @@ public interface IFacade {
 	 *     at the given location.
 	 */
 	Food createFood(World world, double[] location) throws ModelException;
-	
+
 	/**
 	 * Terminate the given portion of food.
 	 */
 	void terminate(Food food) throws ModelException;
-	
+
 	/**
 	 * Check whether the given portion of food is terminated.
 	 */
@@ -440,10 +424,10 @@ public interface IFacade {
 	/**
 	 * Return the world to which this portion of food belongs.
 	 */
-	World getWorld(Food food) throws ModelException;	
+	World getWorld(Food food) throws ModelException;
+
 
 
-	
 	/********
 	 * TEAM
 	 ********/
@@ -456,21 +440,21 @@ public interface IFacade {
 			throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	}
-	
+
 	/**
 	 * Terminate the given team.
 	 */
 	default void terminate(Team team) throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	}
-	
+
 	/**
 	 * Check whether the given portion of food is terminated.
 	 */
 	default boolean isTerminated(Team team) throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	}
-	
+
 	/**
 	 * Return the name of the given team.
 	 * 	 - Students working alone on the project must not override this method.
@@ -478,7 +462,7 @@ public interface IFacade {
 	default String getName(Team team) throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	}
-	
+
 
 	/**
 	 * Return the team to which this worm belongs.
@@ -487,7 +471,7 @@ public interface IFacade {
 	default Team getTeam(Worm worm) throws ModelException {
 		throw new MustNotImplementException();
 	}
-	
+
 	/**
 	 * Return the number of worms in the given team.
 	 * 	 - Students working alone on the project must not override this method.
@@ -496,7 +480,7 @@ public interface IFacade {
 			throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	}
-	
+
 	/**
 	 * Return a list of all the worms in the given team, sorted alphabetically.
 	 * This method must run in linear time.
@@ -506,7 +490,7 @@ public interface IFacade {
 			throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	};
-	
+
 	/**
 	 * Add the given worms to the given team.
 	 * 	 - Students working alone on the project must not override this method.
@@ -515,7 +499,7 @@ public interface IFacade {
 			throws ModelException, MustNotImplementException  {
 		throw new MustNotImplementException();
 	}
-	
+
 	/**
 	 * Remove the given worms from the given team.
 	 * 	 - Students working alone on the project must not override this method.
@@ -535,5 +519,5 @@ public interface IFacade {
 		throw new MustNotImplementException();
 	}
 
-	
-}
+
+}
\ No newline at end of file
diff --git a/OGP1718-Worms/src/worms/facade/Facade.java b/OGP1718-Worms/src/worms/facade/Facade.java
index d529a66..2404151 100644
--- a/OGP1718-Worms/src/worms/facade/Facade.java
+++ b/OGP1718-Worms/src/worms/facade/Facade.java
@@ -1,64 +1,71 @@
 package worms.facade;
 
+import worms.model.Food;
+import worms.model.Team;
 import worms.model.Worm;
 import worms.util.IllegalNameException;
 import worms.util.ModelException;
-import worms.util.Tuple;
+import worms.util.Coordinate;
+
+import java.math.BigInteger;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
 
 public class Facade implements IFacade {
-    /**
-     * Create and return a new worm that is positioned at the given location, looks
-     * in the given direction, has the given radius and the given name.
-     *
-     * @param location  
-     * 		  An array containing the x-coordinate of the position of the new
-     *        worm followed by the y-coordinate of the position of the new worm
-     *        (in meter)
-     * @param direction 
-     *        The direction of the new worm (in radians)
-     * @param radius    
-     * 		  The radius of the new worm (in meter)
-     * @param name
-     * 		  the name of the new worm
-     * @post  the new worm has the given location, direction, name and radius
-     * 		  |new Worm(Tuple.create(location), direction, name, radius)
-     * @throws ModelException
-     * 		   the worm throws an IllegalArgumentException
-     * 		   |catch(IllegalArgumentException e)
-     */
-    @Override
-    public Worm createWorm(double[] location, double direction, double radius, String name) throws ModelException {
+//    /**
+//     * Create and return a new worm that is positioned at the given location, looks
+//     * in the given direction, has the given radius and the given name.
+//     *
+//     * @param location
+//     * 		  An array containing the x-coordinate of the position of the new
+//     *        worm followed by the y-coordinate of the position of the new worm
+//     *        (in meter)
+//     * @param direction
+//     *        The direction of the new worm (in radians)
+//     * @param radius
+//     * 		  The radius of the new worm (in meter)
+//     * @param name
+//     * 		  the name of the new worm
+//     * @post  the new worm has the given location, direction, name and radius
+//     * 		  |new Worm(Coordinate.create(location), direction, name, radius)
+//     * @throws ModelException
+//     * 		   the worm throws an IllegalArgumentException
+//     * 		   |catch(IllegalArgumentException e)
+//     */
+//    @Override
+//    public Worm createWorm(double[] location, double direction, double radius, String name) throws ModelException {
+//
+//        try {
+//            return new Worm(Coordinate.create(location), direction, name, radius);
+//        }
+//        catch(IllegalArgumentException e) {
+//            throw new ModelException(e);
+//        }
+//    }
 
-        try {
-            return new Worm(Tuple.create(location), direction, name, radius);
-        }
-        catch(IllegalArgumentException e) {
-            throw new ModelException(e);
-        }
-    }
-
-    /**
-     * Moves the given worm by the given number of steps.
-     * 
-     * @param worm
-     * 		  the worm who is going to move
-     * @param nbSteps
-     * 		  the number of steps the worm is going to take
-     * @post the worm has taken the given number of steps
-     * 		 |worm.move(nbSteps)
-     * @throws ModelException
-     * 		   the worm throws an IllegalArgumentException
-     * 		   |catch(IllegalArgumentException e)
-     */
-    @Override
-    public void move(Worm worm, int nbSteps) throws ModelException {
-        try {
-            worm.move(nbSteps);
-        }
-        catch(IllegalArgumentException e) {
-            throw new ModelException(e);
-        }
-    }
+//    /**
+//     * Moves the given worm by the given number of steps.
+//     *
+//     * @param worm
+//     * 		  the worm who is going to move
+//     * @param nbSteps
+//     * 		  the number of steps the worm is going to take
+//     * @post the worm has taken the given number of steps
+//     * 		 |worm.move(nbSteps)
+//     * @throws ModelException
+//     * 		   the worm throws an IllegalArgumentException
+//     * 		   |catch(IllegalArgumentException e)
+//     */
+//    @Override
+//    public void move(Worm worm, int nbSteps) throws ModelException {
+//        try {
+//            worm.move(nbSteps);
+//        }
+//        catch(IllegalArgumentException e) {
+//            throw new ModelException(e);
+//        }
+//    }
 
     /**
      * Turns the given worm by the given angle.
@@ -77,46 +84,89 @@ public class Facade implements IFacade {
     }
 
     /**
-     * Makes the given worm jump.
-     * 
+     * Return the location the farthest away from its current location to which the given
+     * worm can move in the world in which that worm is positioned, if any, following
+     * the given direction and not exceeding the given maximum distance.
+     * - The maximum distance must be finite and may not be negative.
+     * - The given direction must be in the range [0.0 .. PI[.
+     * - On its road to the resulting location, the given worm will always be
+     * positioned on passable terrain.
+     * - The resulting position may be outside the boundaries of the world, if any, in
+     * which the given worm is located.
+     *
      * @param worm
-     * 		  the worm who is going to move
-     * @post the worm has jumped
-     * @throws ModelException
-     * 		   the worm throws an IllegalStateException
-     * 		   |catch(IllegalStateException e)
+     * @param direction
+     * @param maxDistance
      */
     @Override
-    public void jump(Worm worm) throws ModelException {
-        try {
-            worm.jump();
-        }
-        catch(IllegalStateException e) {
-            throw new ModelException(e);
-        }
+    public double[] getFurthestLocationInDirection(Worm worm, double direction, double maxDistance) throws ModelException {
+        return new double[0];
     }
 
     /**
-     * Returns the total amount of time (in seconds) that a jump of the given worm
-     * would take.
-     * 
+     * Move the given worm according to the rules in the assignment.
+     *
      * @param worm
-     * 		  the worm who is going to move
-     * @throws ModelException
-     * 		   the worm throws an IllegalStateException
-     * 		   |catch(IllegalStateException e)
      */
     @Override
-    public double getJumpTime(Worm worm) throws ModelException {
+    public void move(Worm worm) throws ModelException {
 
-        try {
-            return worm.jumpTime();
-        }
-        catch(IllegalStateException e) {
-            throw new ModelException(e);
-        }
     }
 
+    /**
+     * Return the time needed by the given worm to jump to the nearest position
+     * adjacent to impassable terrain.
+     * - deltaT determines the resolution to be used in successive steps of the jump.
+     *
+     * @param worm
+     * @param deltaT
+     */
+    @Override
+    public double getJumpTime(Worm worm, double deltaT) throws ModelException {
+        return 0;
+    }
+
+//    /**
+//     * Makes the given worm jump.
+//     *
+//     * @param worm
+//     * 		  the worm who is going to move
+//     * @post the worm has jumped
+//     * @throws ModelException
+//     * 		   the worm throws an IllegalStateException
+//     * 		   |catch(IllegalStateException e)
+//     */
+//    @Override
+//    public void jump(Worm worm) throws ModelException {
+//        try {
+//            worm.jump();
+//        }
+//        catch(IllegalStateException e) {
+//            throw new ModelException(e);
+//        }
+//    }
+
+//    /**
+//     * Returns the total amount of time (in seconds) that a jump of the given worm
+//     * would take.
+//     *
+//     * @param worm
+//     * 		  the worm who is going to move
+//     * @throws ModelException
+//     * 		   the worm throws an IllegalStateException
+//     * 		   |catch(IllegalStateException e)
+//     */
+//    @Override
+//    public double getJumpTime(Worm worm) throws ModelException {
+//
+//        try {
+//            return worm.jumpTime();
+//        }
+//        catch(IllegalStateException e) {
+//            throw new ModelException(e);
+//        }
+//    }
+
     /**
      * Returns the location on the jump trajectory of the given worm after a time t.
      * 
@@ -134,7 +184,7 @@ public class Facade implements IFacade {
     public double[] getJumpStep(Worm worm, double t) throws ModelException {
 
         try {
-            Tuple<Double, Double> jumpStep = worm.jumpStep(t);
+            Coordinate jumpStep = worm.jumpStep(t);
             return new double[]{jumpStep.item1, jumpStep.item2};
         }
         catch (IllegalArgumentException e) {
@@ -143,25 +193,436 @@ public class Facade implements IFacade {
     }
 
     /**
-     * Returns the x-coordinate of the current location of the given worm.
-     * 
+     * Make the given worm jump using the given time step.
+     * - The given time step determines a time interval during which
+     * you may assume that the worm will not move through a piece
+     * of impassable terrain.
+     *
      * @param worm
-     * 		  the worm who is going to move
+     * @param timeStep
      */
     @Override
-    public double getX(Worm worm) throws ModelException {
-        return worm.getLocation().item1;
+    public void jump(Worm worm, double timeStep) throws ModelException {
+
     }
 
     /**
-     * Returns the y-coordinate of the current location of the given worm.
-     * 
-     * @param worm
-     * 		  the worm who is going to move
+     * Create and return a new portion of food that is positioned at the given
+     * location in the given world.
+     * = If the given world is not effective, the new food is simply positioned
+     * at the given location.
+     *
+     * @param world
+     * @param location
      */
     @Override
-    public double getY(Worm worm) throws ModelException {
-        return worm.getLocation().item2;
+    public Food createFood(World world, double[] location) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Terminate the given portion of food.
+     *
+     * @param food
+     */
+    @Override
+    public void terminate(Food food) throws ModelException {
+
+    }
+
+    /**
+     * Check whether the given portion of food is terminated.
+     *
+     * @param food
+     */
+    @Override
+    public boolean isTerminated(Food food) throws ModelException {
+        return false;
+    }
+
+    /**
+     * Return the current location of the given portion of food.
+     * - The resulting array contains the the x-coordinate of the given worm
+     * followed by its y-coordinate.
+     *
+     * @param food
+     */
+    @Override
+    public double[] getLocation(Food food) throws ModelException {
+        return new double[0];
+    }
+
+    /**
+     * Return the radius of the given portion of food.
+     *
+     * @param food
+     */
+    @Override
+    public double getRadius(Food food) throws ModelException {
+        return 0;
+    }
+
+    /**
+     * Return the mass of the given portion of food.
+     *
+     * @param food
+     */
+    @Override
+    public double getMass(Food food) throws ModelException {
+        return 0;
+    }
+
+    /**
+     * Return the world to which this portion of food belongs.
+     *
+     * @param food
+     */
+    @Override
+    public World getWorld(Food food) throws ModelException {
+        return null;
+    }
+
+//    /**
+//     * Returns the x-coordinate of the current location of the given worm.
+//     *
+//     * @param worm
+//     * 		  the worm who is going to move
+//     */
+//    @Override
+//    public double getX(Worm worm) throws ModelException {
+//        return worm.getLocation().item1;
+//    }
+//
+//    /**
+//     * Returns the y-coordinate of the current location of the given worm.
+//     *
+//     * @param worm
+//     * 		  the worm who is going to move
+//     */
+//    @Override
+//    public double getY(Worm worm) throws ModelException {
+//        return worm.getLocation().item2;
+//    }
+
+    /**
+     * Create a new world with given width and given height.
+     * The passable map is a rectangular matrix indicating which parts of the terrain
+     * are passable and which parts are impassable.
+     * This matrix is derived from the transparency of the pixels in the image file
+     * of the terrain. passableMap[r][c] is true if the location at row r and column c
+     * is passable, and false if that location is impassable.
+     * The elements in the first row (row 0) represent the pixels at the top of the
+     * terrain (i.e., largest y-coordinates).
+     * The elements in the last row (row passableMap.length-1) represent pixels at the
+     * bottom of the terrain (smallest y-coordinates).
+     * The elements in the first column (column 0) represent the pixels at the left
+     * of the terrain (i.e., smallest x-coordinates).
+     * The elements in the last column (column passableMap[0].length-1) represent the
+     * pixels at the right of the terrain (i.e., largest x-coordinates).
+     *
+     * @param width
+     * @param height
+     * @param passableMap
+     */
+    @Override
+    public World createWorld(double width, double height, boolean[][] passableMap) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Terminate the given world.
+     *
+     * @param world
+     */
+    @Override
+    public void terminate(World world) throws ModelException {
+
+    }
+
+    /**
+     * Check whether the given worls is terminated.
+     *
+     * @param world
+     */
+    @Override
+    public boolean isTerminated(World world) throws ModelException {
+        return false;
+    }
+
+    /**
+     * Return the width of the given world.
+     *
+     * @param world
+     */
+    @Override
+    public double getWorldWidth(World world) throws ModelException {
+        return 0;
+    }
+
+    /**
+     * Return the height of the given world.
+     *
+     * @param world
+     */
+    @Override
+    public double getWorldHeight(World world) throws ModelException {
+        return 0;
+    }
+
+    /**
+     * Check whether the given world is passable at the given location.
+     * - The location is an array containing the x-coordinate of the location to
+     * check followed by the y-coordinate of that location.
+     * - Locations outside the boundaries of the world are always passable.
+     *
+     * @param world
+     * @param location
+     */
+    @Override
+    public boolean isPassable(World world, double[] location) throws ModelException {
+        return false;
+    }
+
+    /**
+     * <<<<<<< HEAD
+     * Create and return a new worm that is positioned at the given location, looks
+     * in the given direction, has the given radius and the given name.
+     *
+     * @param world
+     * @param center
+     * @param radius The radius of the new worm (in meter)
+     */
+    @Override
+    public boolean isPassable(World world, double[] center, double radius) {
+        return false;
+    }
+
+    /**
+     * Check whether the circular area with given center and given radius
+     * is adjacent to impassable terrain in the given world.
+     * - The circular area must not lie completely within the given world.
+     *
+     * @param world
+     * @param center
+     * @param radius
+     */
+    @Override
+    public boolean isAdjacent(World world, double[] center, double radius) {
+        return false;
+    }
+
+    /**
+     * Check whether the given world contains the given worm.
+     *
+     * @param world
+     * @param worm
+     */
+    @Override
+    public boolean hasAsWorm(World world, Worm worm) throws ModelException {
+        return false;
+    }
+
+    /**
+     * Add the given worm to the given world.
+     *
+     * @param world
+     * @param worm
+     */
+    @Override
+    public void addWorm(World world, Worm worm) throws ModelException {
+
+    }
+
+    /**
+     * Remove the given worm from the given world.
+     *
+     * @param world
+     * @param worm
+     */
+    @Override
+    public void removeWorm(World world, Worm worm) throws ModelException {
+
+    }
+
+    /**
+     * Return a list filled with all the worms in the given world.
+     *
+     * @param world
+     */
+    @Override
+    public List<Worm> getAllWorms(World world) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Check whether the given world contains the given food.
+     *
+     * @param world
+     * @param food
+     */
+    @Override
+    public boolean hasAsFood(World world, Food food) throws ModelException {
+        return false;
+    }
+
+    /**
+     * Add the given portion of food to the given world.
+     *
+     * @param world
+     * @param food
+     */
+    @Override
+    public void addFood(World world, Food food) throws ModelException {
+
+    }
+
+    /**
+     * Remove the given portion of food from the given world.
+     *
+     * @param world
+     * @param food
+     */
+    @Override
+    public void removeFood(World world, Food food) throws ModelException {
+
+    }
+
+    /**
+     * Return a collection filled with all the worms and all the
+     * portions of food in the given world.
+     *
+     * @param world
+     */
+    @Override
+    public Collection<Object> getAllItems(World world) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Return a set of all the team in the given world.
+     *
+     * @param world
+     */
+    @Override
+    public Set<Team> getAllTeams(World world) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Check whether the given world has an active game.
+     *
+     * @param world
+     */
+    @Override
+    public boolean hasActiveGame(World world) throws ModelException {
+        return false;
+    }
+
+    /**
+     * Return the active worm in the given world.
+     * - The active worm is the worm whose turn it is to perform
+     * player-controlled actions.
+     *
+     * @param world
+     */
+    @Override
+    public Worm getActiveWorm(World world) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Start a new game in the given world.
+     *
+     * @param world
+     */
+    @Override
+    public void startGame(World world) throws ModelException {
+
+    }
+
+    /**
+     * Finish the current game, if any, in the given world.
+     *
+     * @param world
+     */
+    @Override
+    public void finishGame(World world) throws ModelException {
+
+    }
+
+    /**
+     * Activate the next worm in the given world.
+     *
+     * @param world
+     */
+    @Override
+    public void activateNextWorm(World world) throws ModelException {
+
+    }
+
+    /**
+     * Return the name of a single worm if that worm is the winner, or the name
+     * of a team if that team is the winner and the team still has several members.
+     *
+     * @param world
+     */
+    @Override
+    public String getWinner(World world) {
+        return null;
+    }
+
+    /**
+     * Create and return a new worm that is positioned at the given location in
+     * the given world, that looks in the given direction, that has the given radius
+     * and the given name, and that is a member of the given team.
+     * - If the given world is not effective, the new worm is simply positioned
+     * at the given location.
+     * - If the given team is not effective, the new worm is not part of any team.
+     * The location is an array containing the x-coordinate of the location of
+     * the new worm followed by the y-coordinate of that location.
+     *
+     * @param world
+     * @param location
+     * @param direction
+     * @param radius
+     * @param name
+     * @param team
+     */
+    @Override
+    public Worm createWorm(World world, double[] location, double direction, double radius, String name, Team team) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Terminate the given worm.
+     *
+     * @param worm
+     */
+    @Override
+    public void terminate(Worm worm) throws ModelException {
+
+    }
+
+    /**
+     * Check whether the given worm is terminated.
+     *
+     * @param worm
+     */
+    @Override
+    public boolean isTerminated(Worm worm) throws ModelException {
+        return false;
+    }
+
+    /**
+     * Return the current location of the given worm.
+     * - The resulting array contains the the x-coordinate of the given worm
+     * followed by its y-coordinate.
+     *
+     * @param worm
+     */
+    @Override
+    public double[] getLocation(Worm worm) throws ModelException {
+        return new double[0];
     }
 
     /**
@@ -236,6 +697,29 @@ public class Facade implements IFacade {
         worm.decreaseActionPoints((int) delta);
     }
 
+    /**
+     * Return the current number of hit points of the given worm.
+     *
+     * @param worm
+     */
+    @Override
+    public BigInteger getNbHitPoints(Worm worm) throws ModelException {
+        return null;
+    }
+
+    /**
+     * Increment the current number of hit points of the given worm
+     * with the given delta.
+     * - The given delta may be negative.
+     *
+     * @param worm
+     * @param delta
+     */
+    @Override
+    public void incrementNbHitPoints(Worm worm, long delta) throws ModelException {
+
+    }
+
     /**
      * Returns the maximum number of action points of the given worm.
      * 
@@ -281,6 +765,16 @@ public class Facade implements IFacade {
         }
     }
 
+    /**
+     * Return the world to which this worm belongs
+     *
+     * @param worm
+     */
+    @Override
+    public World getWorld(Worm worm) throws ModelException {
+        return null;
+    }
+
     /**
      * Returns the mass of the given worm.
      * 
diff --git a/OGP1718-Worms/src/worms/facade/World.java b/OGP1718-Worms/src/worms/facade/World.java
new file mode 100644
index 0000000..40a587d
--- /dev/null
+++ b/OGP1718-Worms/src/worms/facade/World.java
@@ -0,0 +1,4 @@
+package worms.facade;
+
+public class World {
+}
diff --git a/OGP1718-Worms/src/worms/util/Coordinate.java b/OGP1718-Worms/src/worms/util/Coordinate.java
index f9a9656..9139c9c 100644
--- a/OGP1718-Worms/src/worms/util/Coordinate.java
+++ b/OGP1718-Worms/src/worms/util/Coordinate.java
@@ -31,6 +31,24 @@ public class Coordinate extends Tuple<Double, Double> {
         return new Coordinate(coordinateX, coordinateY);
     }
 
+    /**
+     *  Return a new Coordinate created from the elements of the array.
+     *
+     * @param   arr
+     *          The Array to create the Coordinate of.
+     * @return  The Tuple created from the elements of the given array.
+     *          | result == new Coordinate(arr[0], arr[1])
+     * @throws IllegalArgumentException
+     *          The given array is null or the length of the given array
+     *          is not 2.
+     *          | arr == null || arr.length != 2
+     */
+    @Immutable
+    public static Coordinate create(double[] arr) throws IllegalArgumentException {
+        if (arr == null || arr.length != 2)
+            throw new IllegalArgumentException("Invalid parameter arr");
+        return new Coordinate(arr[0], arr[1]);
+    }
     @Basic @Immutable
     public double getCoordinateX() {
         return this.item1;