public static PlanarFace FirstFace(IList <PlanarFace> listFace, XYZ vector)
{
PlanarFace result = null;
IList <PlanarFace> list = Facelibry.PerpendicularFace(listFace, vector);
double num = 0.0;
foreach (PlanarFace planarFace in list)
{
XYZ source = Facelibry.CenterPoint(planarFace);
bool flag = MathLib.IsEqual(num, 0.0, 0.0001);
if (flag)
{
num = vector.DotProduct(source);
result = planarFace;
}
else
{
double num2 = vector.DotProduct(source);
bool flag2 = num2 < num;
if (flag2)
{
result = planarFace;
num = num2;
}
}
}
return(result);
}
public static PlanarFace LastFace(IList <PlanarFace> listFace, XYZ vector, Transform transform)
{
PlanarFace result = null;
IList <PlanarFace> list = Facelibry.PerpendicularFace(listFace, vector, transform);
double num = 0.0;
foreach (PlanarFace planarFace in list)
{
XYZ xyz = planarFace.Origin;
xyz = transform.OfPoint(xyz);
bool flag = MathLib.IsEqual(num, 0.0, 0.0001);
if (flag)
{
num = vector.DotProduct(xyz);
result = planarFace;
}
else
{
double num2 = vector.DotProduct(xyz);
bool flag2 = num2 > num;
if (flag2)
{
result = planarFace;
num = num2;
}
}
}
return(result);
}
