public bool GetBounds(out RPoint min, out RPoint max)
{
min = new RPoint(-1.5, -1.5, -1.5);
max = new RPoint(1.5, 1.5, 1.5);
return(true);
}
public static Vector3 RPoint2D3DVECTOR(RPoint rp)
{
return(new Vector3((float)rp.X, (float)rp.Y, (float)rp.Z));
}
public void Add(ref RPoint pt)
{
X += pt.X; Y += pt.Y; Z += pt.Z;
}
public void Add(ref RPoint pt, double v)
{
X += pt.X * v; Y += pt.Y * v; Z += pt.Z * v;
}
//
public Axis(RPoint pt, RPoint vec)
{
PT = pt;
Debug.Assert(vec.Dist() > 0);
VC = vec; VC.Norm();
}
//
public bool Equals(RPoint pt)
{
return(this == pt);
}
public static void FromCart(out RPoint pt, double u, double v, double z)
{
pt.X = u; pt.Y = v; pt.Z = z;
}
//
public bool InVBox(ref RPoint ptMin, ref RPoint ptMax)
{
return(ptMin.X <= X && X <= ptMax.X &&
ptMin.Y <= Y && Y <= ptMax.Y &&
ptMin.Z <= Z && Z <= ptMax.Z);
}
public double Dist(ref RPoint pt)
{
return(Math.Sqrt(this.Dist2(ref pt)));
}
public static void FromProj(out RPoint pt, double u, double v, double z)
{
pt.X = -u * z; pt.Y = -v * z; pt.Z = z;
}
public double Dist2(ref RPoint pt)
{
return(sqr(X - pt.X) + sqr(Y - pt.Y) + sqr(Z - pt.Z));
}
// non destructive
public double SMul(ref RPoint p)
{
return(X * p.X + Y * p.Y + Z * p.Z);
}
//
public RPoint CrProd(ref RPoint pt) // res = [this, pt]
{
return(new RPoint(Y * pt.Z - Z * pt.Y, Z * pt.X - X * pt.Z, X * pt.Y - Y * pt.X));
}
public void Sub(ref RPoint pt)
{
X -= pt.X; Y -= pt.Y; Z -= pt.Z;
}
//
public QPoint(RPoint pt, double r)
{
PT = pt; R = r;
}