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Question by $$anonymous$$ · Sep 17, 2014 at 02:39 AM · destroycomponentsthis

Remove "this" Component

If I add a Component to a GameObject using gameObject.addComponent();, and I want to remove that component from the MyComponent C# file, is there anyway I can do something like:

 Destroy(this);

instead of:

 Destroy(gameObject.GetComponent<MyComponent>();

I know the latter works, but it just bugs me that I have to specify the name of the component that I am in.

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Answer by Bunny83 · Sep 17, 2014 at 02:45 AM

Of course you can use

 Destroy(this);

Keep in mind that this will only destroy the component but keep the GameObject and all other components. The Destroy method works with all instance-references that are derived from UnityEngine.Object. This includes GameObjects, Components, Meshes, Materials, ...

Unfortunately they removed the hierarchy view from the documentation. With it it was easy to see all classes derived from a certain base class like Object, Collider, Renderer, ...

edit
Actually your first version is the more reliable one since if the GameObject holds multiple instances of the same component, only the first one is returned and that isn't necessarily the instance invoking GetComponent.

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avatar image $$anonymous$$ · Sep 17, 2014 at 02:48 AM 0
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Well I feel foolish. I thought Destroy(this) would destroy the actual script. Thanks!

avatar image Bunny83 · Sep 17, 2014 at 02:52 AM 0
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@$$anonymous$$: Uhm with "actual script" you mean the class itself? That's not possible since all classes are compiled into one (a few) DLL assembly files which can't be altered at runtime.

Destroy(this) will remove the script instances that is invoking that line.

avatar image Kiwasi · Sep 17, 2014 at 02:52 AM 0
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It destroys the instance of the script. Not the actual script itself.

avatar image $$anonymous$$ · Sep 17, 2014 at 02:54 AM 0
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I got scared cuz I accidentally deleted a prefab once. Thanks for your help!!

avatar image Kiwasi · Sep 17, 2014 at 02:58 AM 0
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Destroy shouldn't be able to touch assets. DestroyImmediate can.

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