Vector3.cs

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Update()
    {
        Vector3 current = Vector3.zero; //現在地
        Vector3 target = Vector3.one*10;    //目標値

        float maxDist = Time.time;  //進む距離

        transform.position = Vector3.MoveTowards(current, target, maxDist);
    }
}