pawn -> canMove added

src/pack/Nuts/Pawn.java

 package pack.Nuts;
 
-public class Pawn {
+public class Pawn extends Nut {
+
+    public Pawn(int id) {
+        this.id = id;
+        isAlive = true;
+        if (id > 0) {
+            x = 6;
+            y = id - 1;
+        } else {
+            x = 1;
+            y = 8 + id;
+        }
+    }
+//
+//    @Override
+//    public void move(int[] destination) {
+//        x = destination[0];
+//        y = destination[1];
+//    }
+
+    @Override
+    public boolean canMove(int[] destination) {
+
+        if (id > 0) {
+            if (x == 6  && destination[0] - x == 2 && destination[1] == y) return true;
+            return destination[0] < x && destination[0] >= x - 1 && destination[1] <= y + 1 && destination[1] >= y - 1;
+        }else{
+            return destination[0] > x && destination[0] <= x + 1 && destination[1] <= y + 1 && destination[1] >= y - 1;
+    }}
+
+    @Override
+    public void changeAlive() {
+        isAlive = false;
+    }
 }