private void Form1_MouseDown(object sender, MouseEventArgs e)
{
Graphics g = CreateGraphics();
ApplyTransform(g);
PointF[] p = { new Point(e.X, e.Y) };
g.TransformPoints(CoordinateSpace.World, CoordinateSpace.Device, p);
if (ai.numSpacesLeft() > 0 && !ai.gameOver())
{
if (p[0].X < 0 || p[0].Y < 0)
{
return;
}
int i = (int)(p[0].X / block);
int j = (int)(p[0].Y / block);
if (i > 2 || j > 2)
{
return;
}
if (ai.spaceIsEmpty(i, j))
{
if (e.Button == MouseButtons.Left)
{
ai.playerMoveAt(i, j);
this.Invalidate();
alertWinner();
if (!ai.gameOver())
{
ai.takeTurn();
this.Invalidate();
alertWinner();
}
}
}
else
{
MessageBox.Show("Bad move!");
}
}
}