[Unity3D]对比MonoUpdate和ScriptUpdate 之一

对比了多个Monobehavior Update和一个Monobehavior Update,在Update中进行列表循环进行ScriptUpdate的时间.

结果：

先说结果： ScriptUpdate使用的时间更少！

Demo实验描述：生成n个Sphere,每个Sphere在Update中随机一个位置。
MonoUpdate的测试方法是生成n个Sphere,每个Sphere挂一个Monobehavior脚本，在Monobehavior的Update中进行位置的改变。
ScriptUpdate的测试方法是，生成n个Sphere和n个操作Sphere的类。在ScriptUpdateManager的Update中分别调用类中的Update。

实验一：生成10000个Sphere

使用MonoUpdate: 耗时16.64ms

使用ScriptUpdate:耗时11.58ms

实验二：生成20000个Sphere

使用MonoUpdate: 耗时42.03ms

使用ScriptUpdate:耗时26.07ms

MonoUpdate代码：

TestMonoUpdateManager:

using UnityEngine;
using System.Collections.Generic;
namespace Yanchezuo
{
    public class TestMonoUpdateManager : MonoBehaviour 
    {
        public int testCount = 100;
        public List<TestMonoUpdate> list;

        public void Start () 
        {
            list = new List<TestMonoUpdate>(testCount);
            for (int i = 0; i < testCount; ++i)
            {
                GameObject go = GameObject.CreatePrimitive(PrimitiveType.Sphere);
                list.Add(go.AddComponent<TestMonoUpdate>());
            }
        }
    }
}

TestMonoUpdate:

using UnityEngine;
namespace Yanchezuo
{
    public class TestMonoUpdate : MonoBehaviour 
    {
        private Transform _trans;
        public void Start () 
        {
            _trans = this.transform;
        }

        private void Update()
        {
            int x = Random.Range(0, Screen.width);
            int y = Random.Range(0, Screen.height);
            _trans.position = new Vector3(x,y,0);
        }
    }
}

ScriptUpdate代码：

TestScriptUpdateManager:

using UnityEngine;
using System.Collections.Generic;
namespace Yanchezuo
{
    public class TestScriptUpdateManager : MonoBehaviour 
    {
        public int testCount = 100;
        public List<TestScriptUpdate> list;

        public void Start () 
        {
            list = new List<TestScriptUpdate>(testCount);
            for (int i = 0; i < testCount; ++i)
            {
                GameObject go = GameObject.CreatePrimitive(PrimitiveType.Sphere);
                TestScriptUpdate tsu = new TestScriptUpdate();
                tsu.Start(go);
                list.Add(tsu);
            }
        }
        private void Update()
        {
            for (int i = 0, imax = list.Count; i < imax; ++i)
            {
                list[i].Update();
            }
        }
    }
}

TestScriptUpdate:

using UnityEngine;
using System.Collections;
namespace Yanchezuo
{
    public class TestScriptUpdate 
    {
        private Transform _trans;
        public void Start(GameObject go)
        {
            _trans = go.transform;
        }
        public void Update()
        {
            int x = Random.Range(0, Screen.width);
            int y = Random.Range(0, Screen.height);
            _trans.position = new Vector3(x,y,0);
        }
    }
}

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