How to add a script to an gameobject when it is instanced in the scene view ?

Question

How do I go about adding a script component to any gameobject instanced in scene view .

i.e If i create a new Cube or a point light, a particular script will get attached to it .

I ave been looking at AssetPostprocessor but i did not find an answer there . the closest thing was using ModelImporter to get between the import process of models . but this will only work for models , models imported into unity.

Answer 1

Answer by pako · Jun 07, 2015 at 07:24 PM

You can use GameObject.AddComponent:

http://docs.unity3d.com/ScriptReference/GameObject.AddComponent.html

For example when the following script is attached on GameObject1 in the scene, when it is clicked, it will first create a cube primitive in the scene, and then add a CustomMonobehaviour to it:

 public class AddBehaviour : MonoBehaviour {
 
     // Use this for initialization
     void OnMouseDown() {

          GameObject cube = GameObject.CreatePrimitive(PrimitiveType.Cube)
          cube.AddComponent<CustomMonoBehaviour>(); 

     }
 
 }

This seems to be what you want.

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DaiMangouDev · Jun 08, 2015 at 01:43 AM 0

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I meant that; when if i click GameObjecy/3D Object/Cube and instance a cube , I want a particular script (custom script) to be added to it.

sure this method would work but than i could just drag the scripts on the objects too.

pako · Jun 08, 2015 at 07:02 AM 0

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I only had to change Start() to On$$anonymous$$ouseDown() in my answer to adjust it to your new info. Now, whenever the GameObject/3D Object/Cube with this script gets clicked to instance a cube, it will add the custom script e.g. "Custom$$anonymous$$onoBehaviour.cs" to the instanced cube.

I use a public variable 'go' as the gameObject where the custom script is added, and also I don't show the instantiation code, because this is an example. In your actual code, you just use the variable that holds an instance of the GameObject you instantiate, ins$$anonymous$$d of 'go' in the example.

pako · Jun 08, 2015 at 07:10 AM 0

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I edited my answer, yet again, to include cube creation code as well, just in case my answer was still not clear.

How to add a script to an gameobject when it is instanced in the scene view ?

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