Unity中相机拍照并保存下来脚本

以下是一个示例的Unity拍照脚本，用于拍摄相机看到的内容并保存在工程根目录下：

using System;
using UnityEngine;
using System.IO;

public class CameraCapture : MonoBehaviour
{
    public Camera captureCamera; // 要拍摄的相机


    public void CaptureScreenshot()
    {
        string filePath = Path.Combine(Application.dataPath, "screenshot.png");


        if (File.Exists(filePath))
        {
            File.Delete(filePath);
        }


        RenderTexture renderTexture = new RenderTexture(Screen.width, Screen.height, 24);
        captureCamera.targetTexture = renderTexture;
        
        captureCamera.Render();

        RenderTexture.active = renderTexture;
        Texture2D screenshot = new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, false);
        screenshot.ReadPixels(new Rect(0, 0, Screen.width, Screen.height), 0, 0);
        screenshot.Apply();


        byte[] bytes = screenshot.EncodeToPNG();
        File.WriteAllBytes(filePath, bytes);


        RenderTexture.active = null;
        captureCamera.targetTexture = null;
        renderTexture.Release();


        Debug.Log("截图已保存至：" + filePath);
    }

    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.C))
        {
            CaptureScreenshot();
        }
    }
}

要使用该脚本，将其附加到一个游戏对象上，然后将要拍摄的相机指定给captureCamera变量。可以通过调用CaptureScreenshot()方法来进行拍照，它会将截图保存在工程根目录下的screenshot.png文件中。