Mise a jour

src/main/ts/move-validation.ts

@@ -312,15 +312,17 @@ export function princessMove(board: Chessboard, move: Move): boolean {
     let start: Square = squareAtPosition(board, move.from!);
 
     // Validation of movement to move in diagonal 
-    // Check that there is no pawn between origin square and the destination square
-    if (Math.abs(move.from!.rank - move.to!.rank) === Math.abs(move.from!.file - move.to!.file))
-    {
-         // Check that "destination square is empty or the color of the piece that is on the origin square
-         // is different than the color of the piece which is on the destination square" is true
-         return (destination.isEmpty||destination.piece!.isWhite !== start.piece!.isWhite);
-    } 
-
-    // Valdation of movement to move in "L"
+    // Check that there is no pawn between origin square and the destination square       
+        const filedifference : number = start.position.file - destination.position.file;
+        const rankdifference : number = start.position.rank - destination.position.rank;
+
+        // Le if vérifie que la valeur absolue des différences sont égales,ce qui premet de savoir si la trajectoire 
+        // est diagonale, et si cette dernière est vide.
+        if ((Math.abs(filedifference) == Math.abs(rankdifference)) && (isEmptyDiagonale(board, move)==true)){
+            return (destination.isEmpty || destination.piece!.isWhite !== start.piece!.isWhite);
+        }
+    
+    // Validation of movement to move in "L"
     if (equals(move.to!, left(top(top(move.from!)))) ||
      equals(move.to!, left(bottom(bottom(move.from!)))) ||
      equals(move.to!, right(top(top(move.from!)))) ||