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This question was closed Dec 16, 2016 at 08:20 AM by iwaldrop for the following reason:

Cannot create Components using the new keyword.

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Question by Ossorum · Dec 14, 2016 at 11:50 PM · c#gameobjectcomponent

Adding created component to game object.

I have a created Collider similar to this:

 MeshCollider col = new MeshCollider();

And I want to add it to a GameObject.

I can't use GameObject.AddComponent because it takes a type and creates one of that type, I need to add a created one not create one.

Please don't tell me I should do it differently, that's not my question (:

Is there a way to add a component that I already created?


EDIT

The conclusion was, "it can't be done". Assumedly due to the fact that Unity is coded in C++. Though you can create components with their C# type constructor ("new MeshCollider()") it's not actually useful because "Unity manages their own constructors".
So you have to create the component attached to a GameObject with AddComponent() to be useful.

So use:

 gameObject.AddComponent<MeshCollider>()
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avatar image JoshuaHodkinson · Dec 15, 2016 at 07:42 AM 1
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What can't you add a mesh collider to the gameobject and capture a reference to it, then adjust it as needed? You'd have to have a pretty good reason for not doing so. Why are you creating the collider separately?

e.g.

 $$anonymous$$eshCollider col = gameObject.AddComponent<$$anonymous$$eshCollider>();
avatar image Ossorum JoshuaHodkinson · Dec 15, 2016 at 10:50 PM 0
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Because I wanted to know if I could, it would be more convenient.

avatar image hexagonius Ossorum · Dec 16, 2016 at 12:00 AM 0
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you can't. unity handles it's constructors all by itself (I guess it has to do with the unmanaged c++ engine core). If you want any component on any gameobject and a reference, use JoshuaHodkinsons example, which is not even that much longer code to be written

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avatar image iwaldrop · Dec 16, 2016 at 07:10 AM 0
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Please post your solution or this question will be closed for not being clear.

avatar image Ossorum iwaldrop · Dec 16, 2016 at 08:11 AM 0
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Um, the answer was, "you can't".

I'll add it though for the sake of others, who may have stumbled into the wrong question.

avatar image iwaldrop Ossorum · Dec 16, 2016 at 08:14 AM 0
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Yes, this is the correct answer. :)

I just didn't understand what "It's not longer but where, but I made it work." was supposed to mean.

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