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Add Constructor(Point, sqr, {vector or direction})

This commit is contained in:
Pedro Machado Manhaes de Castro 2006-08-04 16:29:28 +00:00
parent 4c72dec92b
commit b303fded7c
1 changed files with 20 additions and 0 deletions
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20
Curved_kernel_3/include/CGAL/Curved_kernel_3/Circle_3.h
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@ -24,6 +24,8 @@ namespace CGAL {
typedef typename SK::Plane_3 Plane_3;
typedef typename SK::Sphere_3 Sphere_3;
typedef typename SK::Point_3 Point_3;
typedef typename SK::Vector_3 Vector_3;
typedef typename SK::Direction_3 Direction_3;
typedef typename SK::FT FT;
private:
@ -40,6 +42,24 @@ namespace CGAL {
base = Rep(c.diametral_sphere(), c.supporting_plane());
}
Circle_3(const Point_3& center, const FT& squared_r, const Direction_3& d)
{
// It is not allowed non-positive radius
// Should we keep this pre-condition?
CGAL_kernel_assertion(squared_r > 0);
base = Rep(Sphere_3(center,squared_r),
plane_from_point_direction(center, d));
}
Circle_3(const Point_3& center, const FT& squared_r, const Vector_3& normal)
{
// It is not allowed non-positive radius
// Should we keep this pre-condition?
CGAL_kernel_assertion(squared_r > 0);
base = Rep(Sphere_3(center,squared_r),
plane_from_point_direction(center, normal.direction()));
}
Circle_3(const Point_3& center, const FT& squared_r, const Plane_3& p)
{
// the plane contains the center