public SG Remaining(d3 p)
{
if (p.Equals(a))
{
return(new SG(b, c));
}
if (p.Equals(b))
{
return(new SG(c, a));
}
if (p.Equals(c))
{
return(new SG(a, b));
}
throw new Exception();
}
public bool HasPoint(d3 p)
{
if (p.Equals(a))
{
return(true);
}
if (p.Equals(b))
{
return(true);
}
if (p.Equals(c))
{
return(true);
}
if (p.Equals(d))
{
return(true);
}
return(false);
}
public bool HasVert(d3 p) => p.Equals(a) || p.Equals(b) || p.Equals(c);