using System.Collections;using System.Collections.Generic;using UnityEngine;public class NewBehaviourScript : MonoBehaviour {    public Avatar a;	// Use this for initialization	void Start () {        MeshFilter[] meshFilters = GetComponentsInChildren
     
      ();        Debug.Log("meshFilters:" + meshFilters.Length);        CombineInstance[] combine = new CombineInstance[meshFilters.Length];        MeshRenderer[] meshRendererList = GetComponentsInChildren
      
       ();  //获取自身和所有子物体中所有MeshRenderer组件        Material[] mats = new Material[meshRendererList.Length];                    //新建材质球数组        Texture2D[] texList = new Texture2D[meshRendererList.Length];        int i = 0;        while (i < meshFilters.Length)        {            //mats[meshFilters.Length-i-1] = meshRendererList[i].sharedMaterial;                           //获取材质球列表            mats[i] = meshRendererList[i].sharedMaterial;            //            Color c = mats[i].color;            /*             * */            Texture2D tx = mats[i].GetTexture("_MainTex") as Texture2D;            Texture2D tx2D = new Texture2D(tx.width, tx.height, TextureFormat.ARGB32, false);            tx2D.SetPixels(tx.GetPixels(0, 0, tx.width, tx.height));            tx2D.Apply();            //            texList[i] = tx2D;                        combine[i].mesh = meshFilters[i].sharedMesh;            //combine[i].transform = meshFilters[i].transform.localToWorldMatrix;            combine[i].transform = transform.worldToLocalMatrix * meshFilters[i].transform.localToWorldMatrix;            meshFilters[i].gameObject.SetActive(false);            i++;        }        //        string shName = mats[0].shader.name;        Material matNew = new Material(mats[0].shader);        matNew.CopyPropertiesFromMaterial(mats[0]);        Texture2D texNew = new Texture2D(1024, 1024);        matNew.SetTexture("_MainTex", texNew);        Rect[] rects = texNew.PackTextures(texList, 0);//, 2048);        //        GameObject quad = GameObject.Find("Quad");        quad.GetComponent
       
        ().material.mainTexture = texNew;        Mesh meshNew = new Mesh();               //        i = 0;        while (i < meshFilters.Length)        {            int uvLen = combine[i].mesh.uv.Length;            Vector2[] uvData = combine[i].mesh.uv;            for(int j = 0;j< uvLen;j++)            {                uvData[j].x = uvData[j].x * rects[i].width + rects[i].x;                uvData[j].y = uvData[j].y * rects[i].height + rects[i].y;            }            //直接设不行            //combine[i].mesh.uv = uvData;            meshFilters[i].mesh.uv = uvData;            combine[i].mesh = meshFilters[i].mesh;            i++;        }                transform.GetComponent
        
         ().mesh = meshNew;        transform.GetComponent
         
          ().name = "xxx";        transform.GetComponent
          
           ().mesh.CombineMeshes(combine, true);//,truefalse); //为合并后的GameObject指定材质 //transform.GetComponent
           
            ().sharedMaterials =mats;// materialNew;// transform.GetComponent
            
             ().sharedMaterial = matNew; transform.gameObject.SetActive(true); } // Update is called once per frame void Update () { }}