/*移动*/ public bool down() { //检测是否可以下移 if (GameField.isEmpty(square1.location.X / squareSize, square1.location.Y / squareSize + 1) && GameField.isEmpty(square2.location.X / squareSize, square2.location.Y / squareSize + 1) && GameField.isEmpty(square3.location.X / squareSize, square3.location.Y / squareSize + 1) && GameField.isEmpty(square4.location.X / squareSize, square4.location.Y / squareSize + 1)) { Erase(GameField.winHandle); square1.location = new Point(square1.location.X, square1.location.Y + squareSize); square2.location = new Point(square2.location.X, square2.location.Y + squareSize); square3.location = new Point(square3.location.X, square3.location.Y + squareSize); square4.location = new Point(square4.location.X, square4.location.Y + squareSize); Draw(GameField.winHandle); return(true); } else //如果不能下移了 { GameField.stopSquare(square1, square1.location.X / squareSize, square1.location.Y / squareSize); GameField.stopSquare(square2, square2.location.X / squareSize, square2.location.Y / squareSize); GameField.stopSquare(square3, square3.location.X / squareSize, square3.location.Y / squareSize); GameField.stopSquare(square4, square4.location.X / squareSize, square4.location.Y / squareSize); return(false); //表示可以弹出下一个block了 } }