Quaternion.AngleAxis

public static Quaternion AngleAxis (float angle, Vector3 axis);

Description

创建一个围绕 axis 旋转 angle 度的旋转。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Example() {
        transform.rotation = Quaternion.AngleAxis(30, Vector3.up);
    }
}