Obsidian's projection-mapped cyr act is a fixture at tech launch keynotes. The floor projection reacts to wheel angle in real time via IR tracking.
// Technical rider excerpt
Rigging: Ground-based, projector spec sheet included
Min ceiling: 12 ft (clean to fly point)
Min floor: 24 x 24 ft (safety clearance)
Load-in: 90 min · Sound check: 30 min · Change: 20 min
Crew required: 2 + venue's house rigger