Mathf.ClosestPowerOfTwo

public static int ClosestPowerOfTwo (int value);

Description

返回最接近的 2 的幂值。

using UnityEngine;

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

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