Manipulate Mesh Script 2

using UnityEngine;
using System.Collections;

public class JingleObject : MonoBehaviour {
    //The original vertices
    private Vector3[] v3BaseVertices;
    //The objects mesh
    private Mesh meshObjectsMesh;

    //Initialise class
    void Start () {
        //Get the mesh of this object
        meshObjectsMesh = (Mesh)(gameObject.GetComponent().mesh);
        //Set the original vertices
        v3BaseVertices = meshObjectsMesh.vertices;
    }

    // Update is called once per frame
    void Update () {
        //The new vertices
        Vector3[] v3Vertices = new Vector3[v3BaseVertices.Length];
        //Random values to move the axis by and create the jingle
        float fScaleX = Random.value/20 ;
        float fScaleY = Random.value/20 ;
        float fScaleZ = Random.value/20 ;
        //loop through each vertex
        for (var i=0;i<v3Vertices.Length;i++)
        {
            //Get the next vertex
            Vector3 v3Vertex= v3BaseVertices[i];
            //Make a change to each of the coordinates of this vertex
            v3Vertex.x += fScaleX;
            v3Vertex.y += fScaleY;
            v3Vertex.z += fScaleZ;
            //Add the new vertex to our new array
            v3Vertices[i] = v3Vertex;
        }
        //Set the new array as the mesh vertex array
        meshObjectsMesh.vertices = v3Vertices;
        //We can ask the engine to recalculate the normals
        //of the mesh, the normals are the surfaces that are rendered.              meshObjectsMesh.RecalculateNormals();

        //We have to call RecalculateBounds to make sure
        //that the triangles from the vertex relationships
        //are recalculated correctly
        meshObjectsMesh.RecalculateBounds();
    }
}