using UnityEngine;

public class test

{

    [SerializeField]

    private float rotationDegreeCount = 0f;

    [SerializeField] private Vector3 direction;

    private Vector3 point1 = new Vector3(-1, -1, 0);

    private Vector3 point2 = new Vector3(1, -1, 0);

    private Vector3 point3 = new Vector3(0, 1, 0);

​

    void Update()

    {

        Debug.DrawLine(point1, point2, Color.red);

        Debug.DrawLine(point2, point3, Color.red);

        Debug.DrawLine(point3, point1, Color.red);

        //Creates a Quaternion rotation of 5 degrees around the Z axis

        var rot = Quaternion.AngleAxis(rotationDegreeCount, direction);

​

        //Apply the rotation

        point1 = rot * point1;

        point2 = rot * point2;

        point3 = rot * point3;

    }

}