private void drawingTimer_Tick(object sender, EventArgs e)
{
var position = pictureBox1.PointToClient(MousePosition);
if ((position.X >= 0 && position.Y >= 0 && position.X < pictureBox1.Width && position.Y < pictureBox1.Height) &&
(position.X != previousPosition.X || position.Y != previousPosition.Y))
{
int row = (int)Math.Round((double)game.Rows / pictureBox1.Height * position.Y);
int column = (int)Math.Round((double)game.Columns / pictureBox1.Width * position.X);
game.SetCellState(row, column,
mouseEvent.Button == MouseButtons.Left ? CellState.Alive : CellState.Dead);
DrawField(game);
}
}
