all nuts classes -> canMove added

src/pack/Nuts/Bishop.java

 package pack.Nuts;
 
-public class Bishop {
+public class Bishop extends Nut {
+
+    public Bishop(int id) {
+        this.id = id;
+        isAlive = true;
+        switch (id) {
+            case 13:
+                x = 7;
+                y = 2;
+                break;
+            case 14:
+                x = 7;
+                y = 5;
+                break;
+            case -13:
+                x = 0;
+                y = 5;
+                break;
+            case -14:
+                x = 0;
+                y = 2;
+        }
+    }
+
+//    @Override
+//    public void move(int[] destination) {
+//
+//    }
+
+    @Override
+    public boolean canMove(int[] destination) {
+        if (x == destination[0]) return false;
+        else
+            return Math.abs((y - destination[1])/(x - destination[0])) == 1;
+    }
+
+    @Override
+    public void changeAlive() {
+        isAlive = false;
+    }
+
+
+
 }

src/pack/Nuts/King.java

 package pack.Nuts;
 
-public class King {
+public class King extends Nut {
+
+    public King(int id) {
+        this.id = id;
+        isAlive = true;
+        if (id == 16) {
+            x = 7;
+            y = 4;
+        } else {
+            x = 0;
+            y = 3;
+        }
+    }
+
+//    @Override
+//    public void move(int[] destination) {
+//
+//    }
+
+    @Override
+    public boolean canMove(int[] destination) {
+        return Math.pow(x - destination[0], 2) + Math.pow(y - destination[1], 2) <= 2;
+    }
+
+    public boolean isCheck() {
+        return false;
+    }
+
+    @Override
+    public void changeAlive() {
+        isAlive = false;
+    }
 }

src/pack/Nuts/Knight.java

 package pack.Nuts;
 
-public class Knight {
+import java.lang.Math;
+
+public class Knight extends Nut {
+
+    public Knight(int id) {
+        this.id = id;
+        isAlive = true;
+        switch (id) {
+            case 11:
+                x = 7;
+                y = 1;
+                break;
+            case 12:
+                x = 7;
+                y = 6;
+                break;
+            case -11:
+                x = 0;
+                y = 6;
+                break;
+            case -12:
+                x = 0;
+                y = 1;
+        }
+    }
+
+//    @Override
+//    public void move(int[] destination) {
+//        x = destination[0];
+//        y = destination[1];
+//    }
+
+    @Override
+    public boolean canMove(int[] destination) {
+        return Math.pow(destination[0] - x, 2) + Math.pow(destination[1] - y, 2) == 5;
+    }
+
+    @Override
+    public void changeAlive() {
+        isAlive = false;
+    }
+
 }

src/pack/Nuts/Queen.java

 package pack.Nuts;
 
-public class Queen {
+public class Queen extends Nut {
+
+    public Queen(int id) {
+        this.id = id;
+        isAlive = true;
+        if (id == 15) {
+            x = 7;
+            y = 3;
+        } else {
+            x = 0;
+            y = 4;
+        }
+    }
+
+//    @Override
+//    public void move(int[] destination) {
+//
+//    }
+
+    @Override
+    public boolean canMove(int[] destination) {
+        if (x == destination[0] || y == destination[1]) return true;
+        else {
+            if (x == destination[0])
+                return false;
+            else
+                return Math.abs((y - destination[1])/(x - destination[0])) == 1;
+        }
+    }
+
+    @Override
+    public void changeAlive() {
+        isAlive = false;
+    }
+
+
 }

src/pack/Nuts/Rook.java

 package pack.Nuts;
 
-public class Rook {
+public class Rook extends Nut {
+
+    public Rook(int id) {
+        this.id = id;
+        isAlive = true;
+        switch (id) {
+            case 9:
+                x = 7;
+                y = 0;
+                break;
+            case 10:
+                x = 7;
+                y = 7;
+                break;
+            case -9:
+                x = 0;
+                y = 7;
+                break;
+            case -10:
+                x = 0;
+                y = 0;
+        }
+    }
+
+//    @Override
+//    public void move(int[] destination) {
+//        x = destination[0];
+//        y = destination[1];
+//    }
+
+    @Override
+    public boolean canMove(int[] destination) {
+        return x == destination[0] || y == destination[1];
+    }
+
+    @Override
+    public void changeAlive() {
+        isAlive = false;
+    }
+
 }