/// <summary>
/// Get intersection of segment with plane.
/// Returns 'null' (no intersection) or object of type 'Point3d' or 'Segment3d'.
/// </summary>
public object IntersectionWith(Plane3d s)
{
object obj = this.ToRay.IntersectionWith(s);
if (obj == null)
{
return(null);
}
else
{
if (object.ReferenceEquals(obj.GetType(), typeof(Ray3d)))
{
return(this);
}
else
{
Ray3d r = new Ray3d(this.P2, new Vector3d(this.P2, this.P1));
object obj2 = r.IntersectionWith(s);
if (obj2 == null)
{
return(null);
}
else
{
return((Point3d)obj2);
}
}
}
}
/// <summary>
/// Get intersection of ray with triangle.
/// Returns 'null' (no intersection) or object of type 'Point3d' or 'Segment3d'.
/// </summary>
public object IntersectionWith(Ray3d r)
{
// Relative tolerance ================================
if (!GeometRi3D.UseAbsoluteTolerance)
{
double tol = GeometRi3D.Tolerance;
GeometRi3D.Tolerance = tol * Max(AB, Max(BC, AC));
GeometRi3D.UseAbsoluteTolerance = true;
object result = this.IntersectionWith(r);
GeometRi3D.UseAbsoluteTolerance = false;
GeometRi3D.Tolerance = tol;
return(result);
}
//====================================================
object obj = this.IntersectionWith(r.ToLine);
if (obj == null)
{
return(null);
}
else if (obj.GetType() == typeof(Point3d))
{
Point3d p = (Point3d)obj;
if (p.BelongsTo(r))
{
return(p);
}
else
{
return(null);
}
}
else
{
return(r.IntersectionWith((Segment3d)obj));
}
}
/// <summary>
/// Get intersection of segment with ray.
/// Returns 'null' (no intersection) or object of type 'Point3d' or 'Segment3d'.
/// </summary>
public object IntersectionWith(Ray3d r)
{
return(r.IntersectionWith(this));
}
