Clone mesh in Unity

Clone mesh on Unity

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



public class MeshUtil {

    public static Mesh CloneMesh(Mesh m, string name ){
        
        var mesh = new Mesh();
        mesh.name = name;
        mesh.vertices = m.vertices;
        mesh.uv = m.uv;
        mesh.normals = m.normals;
        mesh.tangents = m.tangents;
        mesh.SetIndices(m.triangles, MeshTopology.Triangles,0 );
        return mesh;

    }



    public static Mesh GetNewMesh(Mesh m, MeshTopology topo) {
        
        var mesh = new Mesh();
        mesh.vertices = m.vertices;
        mesh.SetIndices(MakeIndices(m.triangles), topo, 0);
        mesh.name = "test";
        return mesh;

    }

    private static int[] MakeIndices(int[] triangles)
    {
        int[] indices = new int[2 * triangles.Length];
        int i = 0;
        for( int t = 0; t < triangles.Length; t+=3 )
        {
            indices[i++] = triangles[t];        //start
            indices[i++] = triangles[t + 1];    //end
            indices[i++] = triangles[t + 1];    //start
            indices[i++] = triangles[t + 2];    //end
            indices[i++] = triangles[t + 2];    //start
            indices[i++] = triangles[t];        //end
        }
        return indices;
    }



}