public static bool ApproxEquals(NuGenPnt3D a, NuGenPnt3D b)
{
return
(Math.Abs(a._x[0] - b._x[0]) < NuGenVector.TINY_DOUBLE &&
Math.Abs(a._x[1] - b._x[1]) < NuGenVector.TINY_DOUBLE &&
Math.Abs(a._x[2] - b._x[2]) < NuGenVector.TINY_DOUBLE);
}
public static NuGenPnt3D Max(NuGenPnt3D a, NuGenPnt3D b)
{
return(new NuGenPnt3D(
Math.Max(a._x[0], b._x[0]),
Math.Max(a._x[1], b._x[1]),
Math.Max(a._x[2], b._x[2])
));
}
public override bool Equals(object obj)
{
NuGenPnt3D x = (NuGenPnt3D)obj;
return(
_x[0] == x._x[0] &&
_x[1] == x._x[1] &&
_x[2] == x._x[2]
);
}
public NuGenRay3D(NuGenPnt3D p, NuGenVec3D v)
{
this.p = p;
this.v = v;
}
public static NuGenBox3D operator+(NuGenBox3D b, NuGenBox3D c)
{
return(new NuGenBox3D(NuGenPnt3D.Min(b.lower, c.lower), NuGenPnt3D.Max(b.upper, c.upper)));
}
public bool IsOnBorder(NuGenPnt3D p)
{
return(IsInsideOrOnBorder(p) && !IsInside(p));
}
public bool IsInsideOrOnBorder(NuGenPnt3D p)
{
return(lower <= p && upper >= p);
}
public bool IsInside(NuGenPnt3D p)
{
return(lower < p && upper > p);
}
public NuGenBox3D(NuGenPnt3D lower, NuGenPnt3D upper)
{
this.lower = lower;
this.upper = upper;
}