/*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
}
}
