# Wind

Piecewise-constant wind segments parameterized by speed and `direction_from` (0° = from behind shooter; 90° = from shooter’s left). Each segment has an `until_distance` limit and a 3D vector representation used by integrators.

???+ api "API Documentation"

    [`py_ballisticcalc.conditions.Wind`][py_ballisticcalc.conditions.Wind]<br>
