// checks if vertical cells around the current one are busy or not
private bool cellsAroundVertFree(Board b, int xPos, int yPos, int dim)
{
bool busyFound = false;
bool res = false;
if (yPos + dim <= DIM)
{
for (int i = 1; i <= dim - 1; i++)
{
if (b.GetCell(xPos, yPos + i).IsBusy)
{
busyFound = true;
break;
}
}
if (!busyFound)
res = true;
}
else
{
for (int i = 1; i <= dim - 1; i++)
{
if (b.GetCell(xPos, yPos - i).IsBusy)
{
busyFound = true;
break;
}
}
if (!busyFound)
res = true;
}
return res;
}
