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public bool videoVerticallyMirrored ;


Возвращает, если текстура изображение поворачивается вертикально

Please note, that this will query platform-specific part, which might be not ready before actual video feed started; so it is not enough to call it once after play.

scaleY = webcam.videoVerticallyMirrored ? -1.0 : 1.0;
texture.transform.localScale = new Vector3(width, scaleY * height, 0.0);