static IEnumerable <IntVector2> GetLineBoxEnclosingPoints(Box box, IBoundedLine leftLine, IBoundedLine rightLine)
{
return(from y in ListUtil.FromTo(box.Bottom, box.Top - 1)
let rightX = (int)rightLine.X(y)
from x in ListUtil.FromTo((int)leftLine.X(y), rightX)
select(new IntVector2(x, y)));
}
public override bool MoveNext()
{
if (y <= box.Top)
{
if (x < xRight)
{
x++;
return(true);
}
y++;
x = (int)Math.Ceiling(leftLine.X(y)) - 1;
xRight = (int)Math.Floor(rightLine.X(y));
return(MoveNext());
}
return(false);
}