prsk's blog
0%

unity移动端灯光拍摄

发表于 更新于

思路

调用设备摄像头接口，获取设备图像，将图像上传至后端，调用C++程序处理生成json文件

代码

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
using System.Collections;
using System;
using System.Collections.Generic;
using UnityEngine.UI;
using UnityEngine;
using UnityEngine.Networking;

public class WebCam : MonoBehaviour
{
    // Start is called before the first frame update
    WebCamTexture WebTexture;
    public Image CamImage;
    public MeshRenderer meshRender;
    public Button StartUpload;
    public InputField UrlInput;
    public string JsonUrl = "/GetPosForm";
    public string FileUrl = "/GetFileForm";
    private byte[] PNGImage;
    void Start()
    {
        // 开启协程 
        StartCoroutine(OpenCamera());
        StartUpload.onClick.AddListener(Upload);
        UrlInput.text = "http://192.168.50.148:3000";
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    IEnumerator OpenCamera()
    {
        // 等待用户许可访问摄像机
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        {
            WebCamDevice[] devices = WebCamTexture.devices; // 获取设备
            string deviceName = devices[0].name;
            
            // 将设备图像绑定至WebTexure
            WebTexture = new WebCamTexture(deviceName,1920,1080,60);
            // 指定网格渲染图像为 WebTexure
            meshRender.material.mainTexture = WebTexture;
            WebTexture.Play();
        }
    }

    IEnumerator SaveImage(WebCamTexture Image)
    {
        // 根据传入贴图的大小与色彩颜色创建Textrue2D
        Texture2D Texture2DPic = new Texture2D(Image.width, Image.height, TextureFormat.ARGB32, true);
        
        // 保存当前图像
        Texture2DPic.SetPixels(Image.GetPixels());
        Texture2DPic.Apply();
        
        // 转码至PNG
        PNGImage = Texture2DPic.EncodeToPNG();
        yield return StartCoroutine(UploadFile());
    }

    public void Upload()
    {
        StartCoroutine(SaveImage(WebTexture));
        // Debug.Log(GetTimeOfDay());
    }
    
    IEnumerator UploadJson()
    {
        Debug.Log("Begin upload Json ...");
        WWWForm form = new WWWForm();
        form.AddField("Test",123);
        string Url = UrlInput.text + JsonUrl;
        using (UnityWebRequest www = UnityWebRequest.Post(Url, form))
        {
            yield return www.SendWebRequest();

            if (www.result == UnityWebRequest.Result.ConnectionError)
            {
                Debug.Log(www.error);
            }
            else
            {
                string text = www.downloadHandler.text;
                Debug.Log("服务器返回值" + text);
            }
        }
        
    }
    
    IEnumerator UploadFile()
    {
        Debug.Log("Being upload file");
        WWWForm form = new WWWForm();
        
        form.AddBinaryData("file",PNGImage,GetTimeOfDay() + ".PNG");
        
        string Url = UrlInput.text + FileUrl;
        Debug.Log(Url);
        using (UnityWebRequest www = UnityWebRequest.Post(Url, form))
        {
            yield return www.SendWebRequest();

            if (www.result == UnityWebRequest.Result.ConnectionError)
            {
                Debug.Log(www.error);
            }
            else
            {
                string text = www.downloadHandler.text;
                Debug.Log("服务器返回值" + text);
            }
        }
    }

    public string GetTimeOfDay()
    {
        //获取当前时间
        var hour = DateTime.Now.Hour;
        var minute = DateTime.Now.Minute;
        var second = DateTime.Now.Second;
        var year = DateTime.Now.Year;
        var month = DateTime.Now.Month;
        var day = DateTime.Now.Day;
        
        return string.Format("{0:D2}:{1:D2}:{2:D2}_" + "{3:D4}_{4:D2}_{5:D2}", hour, minute, second, year, month, day);
    }
}