Version: 2019.2
public Vector3 size ;

Description

The size of the box area in which reflections will be applied to the objects. Measured in the probes's local space.

Размер куба будет масштабирован в соответствии с масштабом transform-а.

using UnityEngine;

public class Example : MonoBehaviour { void Start() { ReflectionProbe probe = GetComponent<ReflectionProbe>(); // Make the area long probe.size = new Vector3(10, 1, 1); } }