1 using UnityEngine; 2 using System.Collections; 3 using System.IO; 4  5 public class ScreenShot : MonoBehaviour 6 { 7     // Use this for initialization 8     void Update() 9     {10         if (Input.GetKey(KeyCode.LeftAlt) && Input.GetKeyDown(KeyCode.L))11         {12             StartCoroutine(CaptureScreen());13         }14 15     }16 17     public IEnumerator CaptureScreen()18     {19         // 渲染完成之后在读取屏幕缓冲20         yield return new WaitForEndOfFrame();21         int width = Screen.width;22         int height = Screen.height;23         Texture2D tex = new Texture2D(width, height, TextureFormat.RGB24, false);//要保存图片的大小24         //截取的区域25         tex.ReadPixels(new Rect(0, 0, width, height), 0, 0);26         tex.Apply();27         //把图片数据转换为byte数组28         byte[] buffer = tex.EncodeToPNG();29         Destroy(tex);30         //然后保存为图片31         File.WriteAllBytes(Application.persistentDataPath + "/" + System.DateTime.Now.ToFileTime() + ".png", buffer);32 38     }39 }

    上面的代码参考了Unity的脚本手册，实现同时按下LeftAlt和L键进行屏幕截图。下一篇文章我将实现通知中心的功能，讲截图完成的信息显示出来。