In class JPanelChessBoard is change the colour of the frame and the

colour of the posible move is also changed, now when the king is death
the game is over by adding method isGameover

OOP_group1A1_project/src/backend/Board.java

@@ -134,7 +134,11 @@ public class Board {
 	
 	public void userTouch(int x, int y) {
 	    // 1) Find if you clicked on a piece at (x,y)
-	    Piece clicked = null;
+		if (isGameOver()) {
+	        System.out.println("Game Over!");
+	        return;
+	    }
+		Piece clicked = null;
 	    for (Piece p : Pieces) {
 	        if (p.getX() == x && p.getY() == y) {
 	            clicked = p;
@@ -198,6 +202,7 @@ public class Board {
 	    Move move = new Move(toMove, x, y, captured); // captured can be null if no piece was taken
 	    moveHistory.push(move);
 	    System.out.println(this);
+	    if (isGameOver()) return;
 
 	}
 
@@ -429,7 +434,11 @@ public class Board {
 
 	
 	public void playMove(Move move) {
-	    // Remove the piece from the destination (if a capture)
+		    if (isGameOver()) {
+		        System.out.println("Game Over!");
+		        return;
+		    }
+		// Remove the piece from the destination (if a capture)
 	    Pieces.removeIf(p -> p.getX() == move.getToX() && p.getY() == move.getToY());
 
 	    // Remove the moved piece from its old position
@@ -461,5 +470,20 @@ public class Board {
 	    selectedX = x;
 	    selectedY = y;
 	}
+	public boolean isGameOver() {
+	    boolean whiteKingAlive = false;
+	    boolean blackKingAlive = false;
+
+	    for (Piece p : Pieces) {
+	        if (p.getType() == PieceType.King) {
+	            if (p.isWhite()) whiteKingAlive = true;
+	            else blackKingAlive = true;
+	        }
+	    }
+
+	    return !(whiteKingAlive && blackKingAlive);
+	}
+	
+
 
 }

OOP_group1A1_project/src/backend/Move.java

@@ -2,7 +2,7 @@
 package backend;
 
 public class Move {
-    private final int fromX;
+	private final int fromX;
     private final int fromY;
     private final int toX;
     private final int toY;
@@ -10,6 +10,7 @@ public class Move {
     private final Piece capturedPiece;
 
     // Constructor for a move (with or without capture)
+     
     public Move(Piece movedPiece, int toX, int toY, Piece capturedPiece) {
         this.fromX = movedPiece.getX();
         this.fromY = movedPiece.getY();

OOP_group1A1_project/src/windowInterface/JPanelChessBoard.java

@@ -103,10 +103,10 @@ public class JPanelChessBoard extends JPanel {
 					boolean isSelect = myGame.isSelected(x,y);
 					boolean isHighlight = myGame.isHighlighted(x,y);
 					if(isSelect) {
-						g.setColor(Color.blue);
+						g.setColor(Color.cyan);
 					}
 					if(isHighlight) {
-						g.setColor(Color.yellow);
+						g.setColor(Color.lightGray);
 					}
 					if((x+y)%2==1 || isSelect || isHighlight) {
 						g.fillRect(
@@ -123,7 +123,7 @@ public class JPanelChessBoard extends JPanel {
 				}
 			}
 			
-			g.setColor(Color.gray);
+			g.setColor(Color.blue);
 			for(int x=0; x<myGame.getWidth();x++) {
 				int graphX = Math.round(x*cellWidth);
 				g.drawLine(graphX, 0, graphX, this.getHeight());