Mathf.ClosestPowerOfTwo

public static int ClosestPowerOfTwo(int value);

Description 描述

Returns the closest power of two value.

using UnityEngine;

public class Example : MonoBehaviour
{
    void Start()
    {
        // prints 8
        Debug.Log(Mathf.ClosestPowerOfTwo(7));

        // prints 16
        Debug.Log(Mathf.ClosestPowerOfTwo(19));
    }
}