protected void GoTowardsTarget()
{
if (target == null)
{
Wander();
return;
}
int xinverse = target.getLocation().Left > location.Left ? 1 : -1;
int yinverse = target.getLocation().Top > location.Top ? 1 : -1;
int dx, dy;
Rectangle r;
bool good;
do
{
dx = rnd.Next(MoveDistance + 1);
dy = rnd.Next(MoveDistance - dx + 1);
dx = xinverse > 0 ? dx : -dx;
dy = yinverse > 0 ? dy : -dy;
good = true /*MoveDistance >= Math.Sqrt(dx * dx + dy * dy)*/;
r = new Rectangle(location.Left + dx, location.Top + dy, DrawWidth, DrawWidth);
good = (r.Left >= 0) && (r.Right <= DrawArea.Width);
good = good & (r.Top >= 0) && (r.Bottom <= DrawArea.Height);
LinkedListNode <Building> bn = Buildings.First;
while (good && bn != null)
{
if (r.IntersectsWith(bn.Value.getSurface()))
{
good = false;
}
bn = bn.Next;
}
} while (!good);
location = r;
}
