fix eat

OGP1718-Worms/src/worms/facade/Facade.java

@@ -272,7 +272,7 @@ public class Facade implements IFacade {
      */
     @Override
     public void eat(Worm worm) {
-        worm.eat();
+        worm.checkEat();
     }
 
 //    /**

OGP1718-Worms/src/worms/model/World.java

@@ -273,6 +273,16 @@ public class World {
         return list;
     }
 
+    public List<Food> getFoodList() {
+        List<Food> list = new ArrayList<>();
+        for (GameObject x : getGameObjects()) {
+            if (x.getClass().equals(Food.class)) {
+                list.add((Food) x);
+            }
+        }
+        return list;
+    }
+
     public List<GameObject> getGameObjectList(Class cl) {
         List<GameObject> list = new ArrayList<>();
         for (GameObject x : getGameObjects()) {

OGP1718-Worms/src/worms/model/Worm.java

@@ -6,6 +6,7 @@ import worms.util.IllegalNameException;
 
 import static java.lang.Math.*;
 
+import java.util.List;
 import java.util.Random;
 import java.util.concurrent.ThreadLocalRandom;
 
@@ -495,6 +496,8 @@ public class Worm extends GameObject {
 
     	setLocation(newLocation);
     	subtractActionPoints(cost);
+
+    	checkEat();
     }
 
     /**
@@ -669,6 +672,8 @@ public class Worm extends GameObject {
         }
         setLocation(newLocation);
         setActionPoints(0);
+
+        checkEat();
     }
 
     /**
@@ -932,6 +937,8 @@ public class Worm extends GameObject {
 
         long cost = 3 * (long) Math.floor(oldLocation.getY() - getLocation().getY());
         decreaseHitPoints(cost);
+
+        checkEat();
 	}
 
 	public boolean canFall() {
@@ -967,9 +974,70 @@ public class Worm extends GameObject {
     // endregion
 
 
-    public void eat() {
-        throw new IllegalStateException();
+    public void eat(Food food) {
+
+        food.terminate();
+
+        double radius = getRadius();
+        double changeRadius = radius * 0.1;
+        radius *= 1.1;
+        setRadius(radius);
+
+        World world = getWorld();
+        Coordinate location = getLocation();
+        if (!world.isPassable(location, radius)) {
+            Coordinate newLoc = Coordinate.create(location.getX() + changeRadius, location.getY());
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX() - changeRadius, location.getY());
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX(), location.getY() - changeRadius);
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX(), location.getY() + changeRadius);
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX() - changeRadius, location.getY() - changeRadius);
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX() + changeRadius, location.getY() + changeRadius);
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX() + changeRadius, location.getY() - changeRadius);
+            if (world.isPassable(newLoc, radius)) {
+                setLocation(newLoc);
+                return;
+            }
+            newLoc = Coordinate.create(location.getX() - changeRadius, location.getY() + changeRadius);
+            if (!world.isPassable(newLoc, radius)) {
+                terminate();
+                return;
+            }
+        }
+        setLocation(location);
     }
 
+    public void checkEat() {
 
+        World world = getWorld();
+        List<Food> foodList = world.getFoodList();
+        for (Food food: foodList) {
+            if (getDistance(food.getLocation(), this.getLocation()) < this.getRadius() + food.getRadius()) {
+                eat(food);
+            }
+        }
+    }
 }