Unity3D dynamic object optimization code sharing

The specific explanation please look carefully in the annotation has explained very carefully, here is no more nonsense

using UnityEngine;

using System.Collections;

using System.Collections.Generic;

/// <summary>

///  Dynamic object optimization 

/// </summary>

public class DynamicOptimization : MonoBehaviour {

    // Use this for initialization

    void Start () {

    }

    // Update is called once per frame

    void Update () {

    }

    /// <summary>

    ///  Dynamic object optimization 

    /// </summary>

    /// <param name="gameObject"> object </param>

    public void DynamicObjectOptimization(GameObject gameObject)

    {

        //SkinnedMeshRenderer: Skin mesh renderer --- Gets all objects with the mesh renderer ( Contain subobjects )

        SkinnedMeshRenderer[] smr = gameObject.GetComponentsInChildren<SkinnedMeshRenderer>();

        //CombineInstance: The structure used to depict mesh merging , Incorporating the mesh facilitates performance optimization 

        List<CombineInstance> listCom = new List<CombineInstance>();

        // All Material Set 

        List<Material> listMat = new List<Material>();

        // A collection of basic information about an object 

        List<Transform> listTrans = new List<Transform>();

        for(int i=0;i<smr.Length;i++)

        {

            // Get material information 

            listMat.AddRange(smr[i].materials);

            // The object information ---bones: List of bones for skinning mesh 

            listTrans.AddRange(smr[i].bones);

            // Get information about the shared grid 

            for(int k=0;k<smr[i].sharedMesh.subMeshCount;k++)

            {

                // Merge instance 

                CombineInstance ci = new CombineInstance();

                // Getting grid information 

                ci.mesh = smr[i].sharedMesh;

                // Gets the index information for the grid 

                ci.subMeshIndex = k;

                // add 

                listCom.Add(ci);

            }

            // delete 

            Destroy(smr[i].gameObject);

        }

        // Gets renderer information on the object 

        SkinnedMeshRenderer smRenderer = gameObject.GetComponent<SkinnedMeshRenderer>();

        // Determines whether a mesh renderer is included , If not, add it 

        if(smRenderer==null)

        {

            smRenderer = gameObject.AddComponent<SkinnedMeshRenderer>();

        }

        // Skin grid 

        smRenderer.sharedMesh = new Mesh();

        // List of bone 

        smRenderer.bones = listTrans.ToArray();

        // The material 

        smRenderer.materials = new Material[] { listMat[0] };

        // Get information about the object 

        smRenderer.rootBone = gameObject.transform;

        // Merged Grid ( CombineMeshes ) function 2 The parameter sets whether to merge multiple subgrids into 1 Zhang actual mesh. 

        //1 An actual grid can only be applied 1 So only all the meshes that have been merged are the same 1 , that is, a shared material, 

        // You really combine them to apply the material correctly. Otherwise, the parameter should be set to false That means you don't actually merge these sub mesh . 

        // They are treated as if they were combined Mesh The object's sub mesh . 

        smRenderer.sharedMesh.CombineMeshes(listCom.ToArray(), true);

    }

}

That's all for this article. I hope you enjoy it