Unity3d之如何截屏

Unity3d中有时有截屏的需求，那如何截屏呢，代码如下：

    /// <summary>
    /// 截屏
    /// </summary>
    /// <param name="camera">截屏的摄像机</param>
    /// <param name="rect">图片大小</param>
    /// <returns>屏幕快照</returns>
    Texture2D CaptureCamera(Camera camera, Rect rect)
    {
        RenderTexture rt = new RenderTexture((int)rect.width, (int)rect.height, );
        RenderTexture originRT = camera.targetTexture;      // 临时把camera中的targetTexture替换掉
        camera.targetTexture = rt;
        camera.RenderDontRestore();                         // 手动渲染
        camera.targetTexture = originRT;

        RenderTexture.active = rt;
        Texture2D screenShot = new Texture2D((int)rect.width, (int)rect.height);
        screenShot.ReadPixels(rect, , );                  // 读取的是 RenderTexture.active 中的像素
        screenShot.Apply();
        GameObject.Destroy(rt);
        RenderTexture.active = null;

        return screenShot;
    }

如何保存 Texture2D 图片：

    static void SaveImage(Texture2D image, string path)
    {
        byte[] buffer = image.EncodeToPNG();
        File.WriteAllBytes(path, buffer);
    }

转载请注明出处：http://www.cnblogs.com/jietian331/p/6899725.html