Vector4.this[int]

public float this[int] ;

설명

Access the x, y, z, w components using [0], [1], [2], [3] respectively.

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        Vector4  p = new Vector4();
        p[3] = 5; // the same as p.w = 5
    }
}