Mesh合并优化

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MeshCombiner : MonoBehaviour {

	// Use this for initialization
	void Start () {
        MeshConbine();
    }
		
    void MeshConbine()
    {
        MeshFilter[] filters = GetComponentsInChildren<MeshFilter>();
        CombineInstance[] combiners = new CombineInstance[filters.Length];
        for (int i = 0; i < filters.Length; i++)
        {
            combiners[i].mesh = filters[i].sharedMesh;
            combiners[i].transform = filters[i].transform.localToWorldMatrix;
        }
        Mesh finalMesh = new Mesh();
        finalMesh.CombineMeshes(combiners);
        GetComponent<MeshFilter>().sharedMesh = finalMesh;
    }

}