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标题: Unity中三种截屏方法 [打印本页]

作者: 王者再临 时间: 2015-10-30 00:15
标题: Unity中三种截屏方法

/// <summary>
/// 截取全屏的方法包括UI
/// </summary>
public void CaptureScreen()
{
      Application.CaptureScreenshot("截取全屏.png", 0);
      Debug.Log(1);
}

/// <summary>
/// 自定义截图大小其中包含UI
/// </summary>
public Texture2D CaptureScreen(Rect rect)
{
      Texture2D screenShot = new Texture2D((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);

      screenShot.ReadPixels(rect, 0, 0);

      screenShot.Apply();

      byte[] bytes = screenShot.EncodeToPNG();
      string filename = Application.dataPath + "/ScreenShot.png";
      System.IO.File.WriteAllBytes(filename, bytes);

      return screenShot;
}

/// <summary>
/// 针对不同的相机进行截图，可以把UI和游戏分开
/// </summary>
/// <param name="c"></param>
/// <param name="r"></param>
/// <returns></returns>
public Texture2D CaptureScreen(Camera c, Rect r)
{
      RenderTexture rt = new RenderTexture((int)r.width, (int)r.height, 0);

      c.targetTexture = rt;
      c.Render();

      RenderTexture.active = rt;
      Texture2D screenShot = new Texture2D((int)r.width, (int)r.height, TextureFormat.RGB24, false);
      screenShot.ReadPixels(r, 0, 0);
      screenShot.Apply();

      c.targetTexture = null;
      RenderTexture.active = null;
      GameObject.Destroy(rt);

      byte[] bytes = screenShot.EncodeToPNG();
      string filename = Application.dataPath + "/ScreenShot.png";
      System.IO.File.WriteAllBytes(filename, bytes);

      return screenShot;
}

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