private bool IsBlockRotatable()
{
int[] possiblePoints = currBlock.GetCoordinatesAfterRotation((currBlock.Rotation + 1) % 4);
int[,] tempBoard = new int[this.board.BoardMatrix.GetLength(0), this.board.BoardMatrix.GetLength(1)];
for (int i = 0; i < tempBoard.GetLength(0); i++)
{
for (int j = 0; j < tempBoard.GetLength(1); j++)
{
tempBoard[i, j] = this.board.BoardMatrix[i, j];
}
}
for (int i = 0; i < currBlock.Coordinates.Length; i += 2)
{
tempBoard[currBlock.Coordinates[i], currBlock.Coordinates[i + 1]] = 0;
}
for (int i = 0; i < possiblePoints.Length; i += 2)
{
if (possiblePoints[i] < 0 || possiblePoints[i] >= Board.Rows)
{
return(false);
}
if (possiblePoints[i + 1] < 0 || possiblePoints[i + 1] >= Board.Cols)
{
return(false);
}
if (tempBoard[possiblePoints[i], possiblePoints[i + 1]] > 0)
{
return(false);
}
}
return(true);
}
