Space.World

描述

世界坐标空间，相对于场景的 x、y 和 z 轴原点 (0,0,0)。

使用 Space.World 相对游戏对象的 Transform.position 和场景轴变换游戏对象，忽略游戏对象自身的方向。例如，Transform.Translate(Vector3.forward, Space.World) 在场景的 z 轴上将游戏对象的 Transform.position 增加一个单位。

要相对于游戏对象的 Transform.localPosition 以及沿着游戏对象自身轴变换游戏对象，请使用 Space.Self。

//Attach this script to a GameObject.
//This example demonstrates the difference between Space.World and Space.Self in rotation.
//The m_WorldSpace field will be automatically exposed as a checkbox in the Inspector window labelled World Space. Enable or disable the checkbox in the Inspector to start in world or self respectively.
//Press play to see the GameObject rotating appropriately. Press space or toggle the World Space checkbox to switch between World and Self.

using UnityEngine;

public class Example : MonoBehaviour
{
    float m_Speed;
    public bool m_WorldSpace;

    void Start()
    {
        //Set the speed of the rotation
        m_Speed = 20.0f;
        //Rotate the GameObject a little at the start to show the difference between Space and Local
        transform.Rotate(60, 0, 60);
    }

    void Update()
    {
        //Rotate the GameObject in World Space if in the m_WorldSpace state
        if (m_WorldSpace)
            transform.Rotate(Vector3.up * m_Speed * Time.deltaTime, Space.World);
        //Otherwise, rotate the GameObject in local space
        else
            transform.Rotate(Vector3.up * m_Speed * Time.deltaTime, Space.Self);

        //Press the Space button to switch between world and local space states
        if (Input.GetKeyDown(KeyCode.Space))
        {
            //Make the current state switch to the other state
            m_WorldSpace = !m_WorldSpace;
            //Output the Current state to the console
            Debug.Log("World Space : " + m_WorldSpace.ToString());
        }
    }
}