static public bool PointHide(Point3DF point, List <Object> World)
{
Line LinePoint = new Line(point, new Point3DF(0, 0, 0), true);
for (int NumObj = 0; NumObj < World.Count; NumObj++)
{
for (int NumPoligon = 0; NumPoligon < World[NumObj].Poligons.Count; NumPoligon++)
{
double[] ABCD = Poligon.ABCDFound(World[NumObj].Poligons[NumPoligon], true);
double t = Line.PeresechPoint(ABCD, LinePoint);
if (Math.Round(t, 5) <= 0 || t > 1)
{
continue;
}
else
{
Point3DF PointPeresch = Line.PointF(LinePoint, t);
if (Poligon.InArea(World[NumObj].Poligons[NumPoligon], PointPeresch))
{
return(false);
}
}
}
}
m1 :;
return(true);
}
static public object[] LuchPointF(Line luch, List <Object> World)
{
double Lambda = -1;
bool First = true;
int numobjr = 0;
int numpolr = 0;
for (int numobj = 0; numobj < World.Count; numobj++)
{
for (int numpol = 0; numpol < World[numobj].Poligons.Count; numpol++)
{
double[] ABCD = Poligon.ABCDFound(World[numobj].Poligons[numpol], true);
double L = Line.PeresechPoint(ABCD, luch);
if (L > 0 && Poligon.InArea(World[numobj].Poligons[numpol], Line.PointF(luch, L)))
{
if (First)
{
First = false;
numobjr = numobj;
numpolr = numpol;
Lambda = L;
}
else if (L > 0)
{
if (Lambda >= L)
{
numobjr = numobj;
numpolr = numpol;
}
Lambda = Math.Min(Lambda, L);
}
}
}
}
return(new object[3] {
Lambda, numobjr, numpolr
});
}
