CPU proximity picking
Zero-GPU hit testing with mouseHit. Ten waypoint nodes around a soft loop — each one tested every frame against the cursor by projecting its origin to screen space and comparing against a configurable radius. The hit zone is drawn explicitly with bullsEye, which takes the same size and shape parameters as mouseHit — the gizmo is the hit zone, no guessing where the click registers. Use the panel to tune the radius and switch between circular and square hit shapes. ...