queen -> canRoute added

src/pack/Nuts/Queen.java

@@ -26,7 +26,7 @@ public class Queen extends Nut {
             if (x == destination[0])
                 return false;
             else
-                return Math.abs((y - destination[1])/(x - destination[0])) == 1;
+                return Math.abs((y - destination[1]) / (x - destination[0])) == 1;
         }
     }
 
@@ -35,5 +35,45 @@ public class Queen extends Nut {
         isAlive = false;
     }
 
+    @Override
+    public boolean canRoute(int[] destination, int[][] ground) {
+        if (destination[0] == x) {
+            int t;
+            if (destination[1] - y > 0) t = 1;
+            else t = -1;
+            for (int i = y + t; i < destination[1]; i += t)
+                if (ground[x][i] != 0)
+                    return false;
+        } else {
+            int t;
+            if (destination[0] - x > 0) t = 1;
+            else t = -1;
+            for (int i = x + t; i < destination[0]; i += t)
+                if (ground[i][y] != 0)
+                    return false;
+        }
+
+        int X, Y;
+
+        if (destination[0] < x) X = -1;
+        else X = 1;
+
+        if (destination[1] < y) Y = -1;
+        else Y = 1;
+
+        for (int i = x + X, j = y + Y; i == destination[0]; i += X, j += Y)
+            if (ground[i][j] != 0)
+                return false;
+
+        return true;
+
+
+    }
+
+
+
+
+
+
 
 }