Version: 2017.2
public static void DrawWireSphere (Vector3 center, float radius);

説明

centerradius からワイヤーフレームの球体を描画します

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public float explosionRadius = 5.0F; void OnDrawGizmosSelected() { Gizmos.color = Color.white; Gizmos.DrawWireSphere(transform.position, explosionRadius); } }