Version: 2017.2
public float magnitude ;

Description

возвращает длину этого vector'a (Read Only)

Длина vector'a это квадратный корень из (x*x+y*y+z+w*w)

If you only need to compare magnitudes of some vectors, you can compare squared magnitudes of them using sqrMagnitude (computing squared magnitudes is faster).

See Also: sqrMagnitude.