What about her clothes? or were those too out of reach? The bedspread? pillows?

Whilst we're about it - where is the OP since this sensational thread saw the light of day?

Does it sound reasonable if you have had someone come into your room whilst you are disporting yourself naked - and the seems reasonable to me - someone enters your room telephone in camera mode in hand and instead of ordering him out (most people would have fled I suspect) you then come on Flyertalk to ask what best to do about it? I'd know exactly what to do and it would not be to come on the internet to discuss what to do. If it was a genuine error and the person had left tout de suite, I'd warn the Front Desk and that would be that. What is alleged here is much more serious, and I would have had the police come to this unnamed hotel in this unnamed city.