public static List <IDFFile.XYZ> TriangulateAndGetCenterOfMass(List <IDFFile.XYZ> AllPoints)
{
int[] PointNumbers = Enumerable.Range(-1, AllPoints.Count() + 2).ToArray();
PointNumbers[0] = AllPoints.Count() - 1;
PointNumbers[PointNumbers.Length - 1] = 0;
List <IDFFile.XYZ> CentersOfMass = new List <IDFFile.XYZ>();
for (int i = 0; i < AllPoints.Count(); i++)
{
IDFFile.XYZ pointCM = new IDFFile.XYZ();
try
{
pointCM = CenterOfMass(new List <IDFFile.XYZ>()
{
AllPoints[i - 1], AllPoints[i], AllPoints[i + 1]
});
}
catch
{
try
{
pointCM = CenterOfMass(new List <IDFFile.XYZ>()
{
AllPoints.Last(), AllPoints[i], AllPoints[i + 1]
});
}
catch
{
pointCM = CenterOfMass(new List <IDFFile.XYZ>()
{
AllPoints[i - 1], AllPoints[i], AllPoints.First()
});
}
}
CentersOfMass.Add(pointCM);
}
CentersOfMass.Add(CenterOfMass(AllPoints));
return(CentersOfMass);
}
public static bool RayCastToCheckIfIsInside(List <Tuple <IDFFile.XYZ, IDFFile.XYZ> > EdgeArrayForPossibleWall, IDFFile.XYZ CM)
{
int count = 0;
foreach (Tuple <IDFFile.XYZ, IDFFile.XYZ> EdgeOfWall in EdgeArrayForPossibleWall)
{
double r = (CM.Y - EdgeOfWall.Item2.Y) / (EdgeOfWall.Item1.Y - EdgeOfWall.Item2.Y);
if (r > 0 && r < 1)
{
double Xvalue = r * (EdgeOfWall.Item1.X - EdgeOfWall.Item2.X) + EdgeOfWall.Item2.X;
if (CM.X < Xvalue)
{
count++;
}
}
}
if (count % 2 == 0)
{
return(false);
}
else
{
return(true);
}
}
