Gizmos.DrawSphere

public static void DrawSphere (Vector3 center, float radius);

Description

使用 center 和 radius 绘制一个实心球体。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnDrawGizmosSelected() {
        Gizmos.color = Color.yellow;
        Gizmos.DrawSphere(transform.position, 1);
    }
}