Application.isEditor

설명

Are we running inside the Unity editor? (Read Only)

Returns true if the game is being run from the Unity editor; false if run from any deployment target.

using UnityEngine;

class Example : MonoBehaviour
{
    void Start()
    {
        if (Application.isEditor)
        {
            print("We are running this from inside of the editor!");
        }
    }
}