IEnumerator getScreenTexture(ScreenCut cut, int capx, int capy, int capwidth, int capheight)
{
yield return(new WaitForEndOfFrame());
Texture2D t = new Texture2D(capwidth, capheight, TextureFormat.RGB24, true); //需要正确设置好图片保存格式
t.ReadPixels(new UnityEngine.Rect(capx, capy, capwidth, capheight), 0, 0, false); //按照设定区域读取像素；注意是以左下角为原点读取
t.Apply();
cut.DispatchWith(lib.Event.COMPLETE, t);
}
public void GetScreenCut(ScreenCut cut, int x, int y, int width, int height)
{
StartCoroutine(getScreenTexture(cut, x, y, width, height));
}