Haptic Rendering - Computerphile
Computerphile
Mar 26, 2026
Haptic rendering relies on a high-frequency control loop to simulate physical resistance in virtual environments. Unlike visual rendering, which tolerates lower frame rates, haptic systems must operate at 1,000Hz to maintain stability and prevent the 'popping' or instability that occurs when a user interacts with virtual objects.
Key insight: Haptic rendering requires a 1,000Hz update rate to remain stable, whereas visual rendering typically functions at only 30-60Hz; dropping below this threshold causes the system to become unstable and physically unrealistic.
