static public double TriangleQualityFromPositions(RHVector3 p1, RHVector3 p2, RHVector3 p3)
{
double a = p1.Distance(p2);
double b = p1.Distance(p3);
double c = p2.Distance(p3);
double bc2 = 2 * b * c;
double sinalpha = Math.Sin(Math.Acos((b * b + c * c - a * a) / (bc2)));
return(a * (a + b + c) / (bc2 * sinalpha * sinalpha));
}
public TopoVertex SearchPoint(RHVector3 vertex)
{
int hash = vertextHash(vertex);
if (!list.ContainsKey(hash)) return null;
foreach (TopoVertex v in list[hash])
{
if (vertex.Distance(v.pos) < TopoModel.epsilon)
return v;
}
return null;
}
public TopoVertex SearchPoint(RHVector3 vertex)
{
foreach (TopoVertex v in vertices)
{
if (vertex.Distance(v.pos) < TopoModel.epsilon)
{
return(v);
}
}
return(null);
}
public TopoVertex SearchPoint(RHVector3 vertex)
{
int hash = vertextHash(vertex);
if (!list.ContainsKey(hash))
{
return(null);
}
foreach (TopoVertex v in list[hash])
{
if (vertex.Distance(v.pos) < TopoModel.epsilon)
{
return(v);
}
}
return(null);
}
public TopoVertex SearchPoint(RHVector3 vertex)
{
foreach (TopoVertex v in vertices)
{
if (vertex.Distance(v.pos) < TopoModel.epsilon)
return v;
}
return null;
}
public double distance(TopoVertex vertex)
{
return(pos.Distance(vertex.pos));
}
