Unity3D MonoBehaviour的生命周期（lifecycle）

using System;
using UnityEngine;

[ExecuteInEditMode]
public class LifecycleTest : MonoBehaviour {

    private void Awake()
    {
        Debug.Log("Awake" + DateTime.Now.ToString());
    }

    private void Reset()
    {
        Debug.Log("Reset" + DateTime.Now.ToString());
    }

    private void OnEnable()
    {
        Debug.Log("OnEnable" + DateTime.Now.ToString());
    }

    private void OnDisable()
    {
        Debug.Log("OnDisable" + DateTime.Now.ToString());
    }

    private void OnDestroy()
    {
        Debug.Log("OnDestroy" + DateTime.Now.ToString());
    }


    // Use this for initialization
    void Start () {
        Debug.Log("Start" + DateTime.Now.ToString());
    }
    
    // Update is called once per frame
    void Update () {
        Debug.Log("Update" + DateTime.Now.ToString());
    }
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    // Creates a material that is explicitly created & destroyed by the component.
    // Resources.UnloadUnusedAssets will not unload it, and it will not be editable by the inspector.
    private Material ownedMaterial;
    void OnEnable()
    {
        ownedMaterial = new Material(Shader.Find("Diffuse"));
        ownedMaterial.hideFlags = HideFlags.HideAndDontSave;
        GetComponent<Renderer>().sharedMaterial = ownedMaterial;
    }

    // Objects created as hide and don't save must be explicitly destroyed by the owner of the object.
    void OnDisable()
    {
        DestroyImmediate(ownedMaterial);
    }
}