Unity - 攝影機 看到 物體的內部

在需要被看到內部的物體使用此Script

using UnityEngine;
using System.Collections;

public class doubleSideShader : MonoBehaviour {

 // Use this for initialization
 void Start () {
        Mesh mesh = GetComponent().mesh;
        Vector3[] vertices = mesh.vertices;
        Vector2[] uv = mesh.uv;
        Vector3[] normals = mesh.normals;
        int szV = vertices.Length;
        Vector3[] newVerts = new Vector3[szV * 2];
        Vector2[] newUv = new Vector2[szV * 2];
        Vector3[] newNorms = new Vector3[szV * 2];
        for (int j = 0; j < szV; j++)
        {
            // duplicate vertices and uvs:
            newVerts[j] = newVerts[j + szV] = vertices[j];
            newUv[j] = newUv[j + szV] = uv[j];
            // copy the original normals...
            newNorms[j] = normals[j];
            // and revert the new ones
            newNorms[j + szV] = -normals[j];
        }

        int[] triangles = mesh.triangles;
        int szT = triangles.Length;
        int[] newTris = new int[szT * 2]; // double the triangles
        for (int i = 0, j = 0; i < szT; i += 3)
        {
            // copy the original triangle
            newTris[i] = triangles[i];
            newTris[i + 1] = triangles[i + 1];
            newTris[i + 2] = triangles[i + 2];
            // save the new reversed triangle
            j = i + szT;
            newTris[j] = triangles[i] + szV;
            newTris[j + 2] = triangles[i + 1] + szV;
            newTris[j + 1] = triangles[i + 2] + szV;
        }
        mesh.vertices = newVerts;
        mesh.uv = newUv;
        mesh.normals = newNorms;
        mesh.triangles = newTris; // assign triangles last!
    }
 
 // Update is called once per frame
 void Update () {
 
 }
}