截图

all_camera.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.IO;

public class CaptureScreen : MonoBehaviour {
	public bool Capture;
	private void Update() {
		if(Capture)
		{
			Capture = false;
			StartCoroutine(CaptureTexture());
		}
		
	}

	IEnumerator CaptureTexture()
	{
		yield return new WaitForEndOfFrame();

		var screenSnapshot = new Texture2D( Screen.width, Screen.height, TextureFormat.RGBA32, false, false );
		screenSnapshot.ReadPixels( new Rect( 0, 0, Screen.width, Screen.height ), 0, 0, false );
		screenSnapshot.Apply();
		byte[] bytes = screenSnapshot.EncodeToPNG();

		string path = Application.dataPath + "/../" + (System.DateTime.Now).ToBinary().ToString() + ".png";
		Debug.LogError("SavePath=" + path);
		FileStream file = File.Open(path , FileMode.Create);
		BinaryWriter writer = new BinaryWriter(file);
		writer.Write(bytes);
		file.Close();
		Texture2D.DestroyImmediate(screenSnapshot);

	}
}

CaptureScreen.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.IO;
[RequireComponent(typeof(Camera))]
public class CaptureScreen : MonoBehaviour {
	void OnGUI() {
		if(GUI.Button(new Rect(Vector2.zero, 100 * Vector2.one), "截屏"))
		{
			StartCoroutine(CaptureTexture());
		}
	}

	IEnumerator CaptureTexture()
	{
		var cam = GetComponent<Camera>();
		RenderTexture rt = RenderTexture.GetTemporary(Screen.width, Screen.height, 0, RenderTextureFormat.ARGB32);
		cam.targetTexture = rt;
		yield return new WaitForEndOfFrame();

		RenderTexture.active = rt;
		var screenSnapshot = new Texture2D( Screen.width, Screen.height, TextureFormat.RGBA32, false, false );
		screenSnapshot.ReadPixels( new Rect( 0, 0, Screen.width, Screen.height ), 0, 0, false );
		screenSnapshot.Apply();
		byte[] bytes = screenSnapshot.EncodeToPNG();

		string path = Application.dataPath + "/../" + (System.DateTime.Now).ToBinary().ToString() + ".png";
		Debug.LogError("SavePath=" + path);
		FileStream file = File.Open(path , FileMode.Create);
		BinaryWriter writer = new BinaryWriter(file);
		writer.Write(bytes);
		file.Close();
		Texture2D.DestroyImmediate(screenSnapshot);

		cam.targetTexture = null;
	}
}