Intersection helper for Tracks trajectories

Extracts the first/last rows for a given id/time range and computes the intersection with the unit circle.

Usage

line_circle_intercept_traj(traj, id, range)

Arguments

traj

Tracks

id

Identifier of the trajectory

range

Numeric index vector (e.g., rows within a trial)

Value

Tibble with `x_int`/`y_int`