unity andoroidにカメラを映すためのスクリプトについて。

using
1using System.Collections.Generic;
2using UnityEngine;
3using UnityEngine.UI;
4using UnityEngine.SceneManagement;
5
6public class DeviceCamera : MonoBehaviour
7{
8    public SpriteRenderer cameraImage;
9    private WebCamTexture webCamTexture;
10    private AspectRatioFitter aspectRatioFitter;
11    private static int state = 1;
12
13    void Awake()
14    {
15                cameraImage = GetComponent<SpriteRenderer>();
16        aspectRatioFitter = GetComponent<AspectRatioFitter>();
17        SceneManager.LoadScene("System", LoadSceneMode.Additive);
18    }
19
20    public void Resume()
21    {
22        if (webCamTexture != null)
23        {
24            webCamTexture.Play();
25        }
26    }
27
28    public void Pause()
29    {
30        if (webCamTexture != null)
31        {
32            webCamTexture.Stop();
33        }
34
35    }
36
37    void Start()
38    {
39        Camera mainCamera = Camera.main;
40#if false
41        //最初に作った画面のアスペクト比 
42        float defaultAspect = Screen.currentResolution.width / Screen.currentResolution.height;
43
44        //実際の画面のアスペクト比
45        float actualAspect = (float)Screen.width / (float)Screen.height;
46
47        //実機とunity画面の比率
48        float ratio = actualAspect / defaultAspect;
49
50        //サイズ調整
51        mainCamera.orthographicSize /= ratio;
52#endif
53        if (webCamTexture == null)
54        {
55            webCamTexture = new WebCamTexture();
56        }
57        if (Application.platform == RuntimePlatform.IPhonePlayer)
58        {
59            //            cameraImage.transform.localScale = new Vector3(1, -1, 1);
60        }
61        Debug.Log("neko : " + SelectUtil.getName());
62        webCamTexture.Play();
63    }
64
65    private void Update()
66    {
67        TextureChange();
68
69        if (webCamTexture?.isPlaying ?? false)
70        {
71                      //  transform.localEulerAngles = new Vector3(0, 0, -1 * (float)webCamTexture.videoRotationAngle);
72                      //  aspectRatioFitter.aspectRatio = (float)webCamTexture.width / (float)webCamTexture.height;
73
74        }
75    }
76
77    public void TextureChange()
78    {
79#if false
80        float width = 720;
81        float height = 1440;
82        float ratio = width / height;
83        float reko = webCamTexture.height * ratio;
84        float riko = height / webCamTexture.height;
85        // Texture -> Spriteに変換する
86        Texture2D texture = CameraStart2.ToTexture2D( webCamTexture);
87 Sprite texture_sprite = Sprite.Create(texture, new Rect((webCamTexture.width / 2) - reko / 2, 0, reko, webCamTexture.height), Vector2.zero);
88        //        Sprite texture_sprite = Sprite.Create(texture, new Rect(0, 0, 620, 480), Vector2.zero);
89        cameraImage.sprite = texture_sprite;
90        cameraImage.transform.position = new Vector3((-reko)/100.0f, -(webCamTexture.height)/100.0f, 0);
91        cameraImage.transform.localScale = new Vector3(riko, riko, 1);
92        Debug.Log("camTexture width : " + webCamTexture.width + " riko:"+riko);
93#else
94
95        float width = 720;
96        float height = 1440;
97        float ratio = width / height;
98        float reko = webCamTexture.width * ratio;
99        float riko = height / webCamTexture.height;
100        // Texture -> Spriteに変換する
101        Texture2D texture = CameraStart2.ToTexture2D(webCamTexture);
102        Sprite texture_sprite = Sprite.Create(texture, new Rect((webCamTexture.width / 2 ) - reko / 2, 0, reko, (webCamTexture.height ) - reko / 2), new Vector2(0.5f, 0.5f));
103        cameraImage.sprite = texture_sprite;
104        cameraImage.transform.localScale = new Vector3(riko, riko, 1);
105        cameraImage.transform.rotation = Quaternion.Euler(0, 0, -90);
106        Debug.Log("camTexture width : " + webCamTexture.width + " riko:" + riko);
107
108#if false
109        //camera.mainを変数に格納
110        Camera mainCamera = Camera.main;
111        //最初に作った画面のアスペクト比 
112        float defaultAspect = width / height;
113        //実際の画面のアスペクト比
114        float actualAspect = (float)Screen.width / (float)Screen.height;
115        //実機とunity画面の比率
116        float rerio = actualAspect / defaultAspect;
117        //サイズ調整
118        mainCamera.orthographicSize /= rerio;
119#endif
120
121#endif
122        //        cameraImage.material.color = Color.white;
123        //      cameraImage.material.mainTexture = webCamTexture;
124        //        cameraImage.material.color = Color.white;
125
126
127    }
128}
129コード