Photo Sensitive Glitch

Was playing a map and it was glitching bad... flashing parts on the ground almost sent me into a seizure (note: I do have epilepsy). Got out of the map. I was playing with my wife and father in law. Not sure if having the three of us contributed to glitch, the shock on ground, or monster mobs, but it was bad.

Edit: the ground wasn't flashing, it was the whole screen but I think it was the shock on the ground that caused the screen to flash