Vroom.

An arcade driving game for my nephew, built in SceneKit with motion tuned to feel smooth in small hands.

Stack: Swift, SceneKit, iOS
Scale: One very demanding user
Role: Solo

Flow

Touch input
Smoothed steering
SceneKit physics
Camera follow
Frame

How it works

Steering input is smoothed and clamped so a child's thumbs produce gentle motion rather than jitter, and the camera follows with a slight lag to keep the horizon steady.

Hard parts

Making it feel good rather than making it accurate.

Outcome

Played daily by its audience of one.