UnityでGPS使ってストリートビューを歩きたい

GPSLoader.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class GPSLoader : MonoBehaviour {

    public Text label;
    IEnumerator Start() {
        if (!Input.location.isEnabledByUser) {
            label.text = "Error";
            yield break;
        }
        Input.location.Start();
        int maxWait =  120;
        while (Input.location.status == LocationServiceStatus.Initializing && maxWait > 0) {
            yield return new WaitForSeconds(1);
            maxWait--;
        }
        if (maxWait < 1) {
            label.text = "Timed out";
            yield break;
        }
        if (Input.location.status == LocationServiceStatus.Failed) {
            label.text = "Unable to determine device location";
            yield break;
        } else {

            string s = "Location: " +
                       Input.location.lastData.latitude + " " +
                       Input.location.lastData.longitude + " " +
                       Input.location.lastData.altitude + " " +
                       Input.location.lastData.horizontalAccuracy + " " +
                       Input.location.lastData.timestamp;
            label.text = s;

        }
        Input.location.Stop();
    }
}

SkyBoxStreetView.cs

using UnityEngine;
using System.Collections;
public class SkyBoxStreetView : MonoBehaviour
{
    // Skyboxに貼り付けるテクスチャ
    public Texture2D[] textures;
    // GoogleStreetViewで使用する値の宣言
    // カメラの向き
    public double heading = 0.0;
    public double pitch = 0.0;
    // 取得する画像のサイズ(640が最大)
    private int width = 640;
    private int height = 640;
    // 軽度・緯度(GoogleMapで確認できる)
    private double longitude = 139.399488;
    private double latitude = 35.785554;
    // 視野(最大120)
    public double fov;
    // 前後左右上下を設定しておく変数
    private int skyNum;
    void Start() {
        UpdateSkybox();
    }
    // メイン部分
    void UpdateSkybox() {
        textures = new Texture2D[6];
        // 前後左右上下をそれぞれ取得
        for(skyNum=0; skyNum<6; skyNum++) { 
            fov = 90; 
            switch(skyNum) { 
            case 0: //front 
                heading = 0; 
                pitch = 0; 
                StartCoroutine(GetStreetViewImage(latitude, longitude, heading, pitch, fov, skyNum));
                break; 
            case 1: //back 
                heading = 180; 
                pitch = 0; 
                StartCoroutine(GetStreetViewImage(latitude, longitude, heading, pitch, fov, skyNum)); 
                break; 
            case 2: // left
                heading = 90; 
                pitch = 0; 
                StartCoroutine(GetStreetViewImage(latitude, longitude, heading, pitch, fov, skyNum)); 
                break; 
            case 3: //right
                heading = 270; 
                pitch = 0; 
                StartCoroutine(GetStreetViewImage(latitude, longitude, heading, pitch, fov, skyNum));
                break; 
            case 4: //up
                heading = 0; 
                pitch = 90; 
                StartCoroutine(GetStreetViewImage(latitude, longitude, heading, pitch, fov, skyNum)); 
                break;
            case 5: // down
                heading = 0; 
                pitch = -90;
                StartCoroutine(GetStreetViewImage(latitude, longitude, heading, pitch, fov, skyNum)); 
                break; 
            } 
        } 
    } // Google Map Street Viewの画像を取ってくる 
    private IEnumerator GetStreetViewImage(double latitude, double longitude, double heading, double pitch, double fov, int skyNum) { 
        string url = "http://maps.googleapis.com/maps/api/streetview?" + "size=" + width + "x" + height + "&location=" + latitude + "," + longitude + "&heading=" + heading + "&pitch=" + pitch + "&fov=" + fov + "&sensor=false";
        Debug.Log(skyNum + " : " + url);
        WWW www = new WWW(url); yield return www; 
        // texturesに取得してテクスチャをセット 
        textures[skyNum] = www.texture; 
        // ちゃんとテクスチャを取得できたらskyboxを作る
        CreateSkyBox(); 
    }
    void CreateSkyBox() { 
        // Manifestを作成
        SkyboxManifest manifest = new SkyboxManifest(textures[0], textures[1], textures[2], textures[3], textures[4], textures[5]); 
        // 作成したManifestからマテリアルを作成 
        Material material = CreateSkyboxMaterial(manifest); 
        SetSkybox(material); 
        enabled = false; 
    }
    public static Material CreateSkyboxMaterial(SkyboxManifest manifest) { 
        // Skybox形式のマテリアルを作成してテクスチャをセット 
        Material result = new Material(Shader.Find("RenderFX/Skybox")); 
        result.SetTexture("_FrontTex", manifest.textures[0]); 
        result.SetTexture("_BackTex", manifest.textures[1]); 
        result.SetTexture("_LeftTex", manifest.textures[2]); 
        result.SetTexture("_RightTex", manifest.textures[3]);
        result.SetTexture("_UpTex", manifest.textures[4]); 
        result.SetTexture("_DownTex", manifest.textures[5]); 
        return result;
    } 
    void SetSkybox(Material material) {
        // メインカメラを取得して 
        GameObject camera = Camera.main.gameObject;
        // Skyboxを取得
        Skybox skybox = camera.GetComponent<Skybox>();
        // Skyboxがなければ作成
        if (skybox == null)
            skybox = camera.AddComponent<Skybox>();
        // Skyboxにマテリアルをセット
        skybox.material = material;
    }

    // Skyboxマニフェストの構造体
    public struct SkyboxManifest
    {
        public Texture2D[] textures;
        public SkyboxManifest(Texture2D front, Texture2D back, Texture2D left, Texture2D right, Texture2D up, Texture2D down)
        {
            textures = new Texture2D[6]
            {
                front,
                back,
                left,
                right,
                up,
                down
            };
        }
    }
}