Version: 2018.2 (switch to 2018.3b or 2017.4)
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  • C#

ExecuteInEditMode

class in UnityEngine

/

Implemented in:UnityEngine.CoreModule

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Description

Makes all instances of a script execute in edit mode.

By default, MonoBehaviours are only executed in play mode. By adding this attribute, any instance of the MonoBehaviour will have its callback functions executed while the Editor is not in playmode.

The functions are not called constantly like they are in play mode.
- Update is only called when something in the scene changed.
- OnGUI is called when the Game View receives a non-editor-only Event that it does not use (e.g., EventType.ScrollWheel) and does not forward to the Editor's keyboard shortcut system (e.g., EventType.KeyDown, EventType.KeyUp). Events forwarded to the Game View are enqueued and are not guaranteed to be processed immediately.
- OnRenderObject and the other rendering callback functions are called on every repaint of the Scene View or Game View.

See Also: runInEditMode, EditorApplication.QueuePlayerLoopUpdate.

// The PrintAwake script is placed on a GameObject.  The Awake function is
// called when the GameObject is started at runtime.  The script is also
// called by the Editor.  An example is when the scene is changed to a
// different scene in the Project window.
// The Update() function is called, for example, when the GameObject transform
// position is changed in the Editor.

using UnityEngine;

[ExecuteInEditMode] public class PrintAwake : MonoBehaviour { void Awake() { Debug.Log("Editor causes this Awake"); }

void Update() { Debug.Log("Editor causes this Update"); } }

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