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;
using System.Collections;

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