Transform.parent 父级

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public Transform cameraTransform = Camera.main.transform;
	public void Awake() {
		cameraTransform.parent = transform;
		cameraTransform.localPosition = -Vector3.forward * 5;
		cameraTransform.LookAt(transform);
	}
}

// Makes the camera follow this object by
// making it a child of this transform.
//使摄像机跟随物体，使它成为该变换的子物体
// Get the transform of the camera
//获取摄像机的变换
var cameraTransform = Camera.main.transform;

// make it a child of the current object
//使它成为当前物体的子物体
cameraTransform.parent = transform;

// place it behind the current object
//放它到当前物体的后面
cameraTransform.localPosition = -Vector3.forward * 5;

// make it point towards the object
//使它的指向物体。
cameraTransform.LookAt(transform);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public void Awake() {
		transform.parent = null;
	}
}

// Detaches the transform from its parent.
//从它的父级分类变换
transform.parent = null;