WindZoneMode.Directional

Зона ветра влияет на всю Scene в одном направлении.

// Creates a Directional Wind Zone that blows wind up.
using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    void Start()
    {
        var wind = gameObject.AddComponent<WindZone>();
        wind.mode = WindZoneMode.Directional;
        transform.rotation = Quaternion.LookRotation(Vector3.up);
    }
}