Yeah, but the only source of light is from ur computer screen which would ultimately attract even more attention to the screen.
Heres the plan, use that spy kit u bought as a kid from the school fair (guiltyyyyy) and use that motion sensor, put it in the hallway, and tweak it so that instead of making a sound when someone passes by it, it activates a STRONG vibrator that is on ur penis, which would lead to a quick ejaculation, which then leads to u already being done with ur business, thus, there is nothing to be caught doing, ur just watching the facts of life.