Terrain.treeBillboardDistance

Description

Дистанция до камеры, при которой деревья будут визуализированы плоско, как "на доске".

Decreasing this value improves performance but makes the transition look worse because the difference between billboards and trees will be more obvious.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Start() {
        Terrain.activeTerrain.treeBillboardDistance = 100;
    }
}