Random.insideUnitSphere

public static Vector3 insideUnitSphere ;

Description

Возвращает случайную точку внутри сферы с радиусом 1 (Read Only).

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        // Sets the position to be somewhere inside a sphere
        // with radius 5 and the center at zero.

        transform.position = Random.insideUnitSphere * 5;
    }
}