Initializes the given Sphere using the given array of 3D coordinates so that the sphere includes them.
The center of the sphere can either be specified, or will be center of the 3D volume that encompasses all vectors.
| this |
the Sphere to initialize |
| vectors |
an array of Vec3 |
| center |
the center of the sphere |
| n_vectors |
the number of Vec3 in the |
|
the initialized Sphere |