Me being a human Mograph Effector. Uses optical flow from openCV to capture the pixel movement. I've added a little particle system on the end which blends the position back to it's original over time.
The Selfie Drone is the smartphone-controlled drone that captures and shares stunning first-person photos and video without a clumsy selfie stick. Ideal for novice flyers, the drone can take off and land from your hand and features a 98' range, obstacle avoidance, and optical flow for stable flight that creates a hovering tripod.