How can I add objects to a scene via button click in Unity?

Question

I would like to know how to use a button click to bring objects to the scene.

I would start by looking here. Also, please read How to Ask. — Nahuel Ianni
– Nahuel Ianni, Commented Jun 27, 2016 at 14:12
Once again, please read How to Ask. If you have a new question, post it as such. Stating "I have a problem" without explaining it and detailing ALL the relevant code will make it impossible for us to help. — Nahuel Ianni
– Nahuel Ianni, Commented Jun 27, 2016 at 14:30

Primaël Quémerais · Accepted Answer · 2016-06-27 15:38:23Z

4

1) Create a button using Unity GUI system.

2) Create a script:

public GameObject sampleObject;

public void AddObject()
{
    Instantiate(sampleObject, Vector3.zero, Quaternion.Identity);
}

3) Attach this script to an object in the scene, and set a prefab to sampleObject.

4) Select your button and in the Inspector add a new OnClick script, and select the object with the new script attached, select AddObject() method.

Now when you click on the button it should instantiate an object at (0.0f, 0.0f, 0.0f).

Hope that helps you.

answered Jun 27, 2016 at 15:38

Primaël Quémerais

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2 Comments

sena Over a year ago

Thx it was helpful can you just tell me more because I do not understand 4th step. Please. Thank you

Primaël Quémerais Over a year ago

Well, when you select your button, you should see at the bottom of the inspector window a little + button, this will add a new OnClick behavior, in there you should have a script variable, just drag and drop the object with the script attached. The you should be able to select a public method from that script using the drop down menu. Hope that clarified the step :)

Hüseyin Burak Karadag · Accepted Answer · 2016-06-27 21:27:13Z

0

I think use gameObject z postion value and show or hide when this object allready created

Find current gameObject and set transform.postion.z = -1 or 1

if gameObject z postion set to -1 hideObject else showObject

sampleCode

 float yourChose = -1f; // chose object hide or show (-1 or 1 )

 foreach (var item in  FindObjectsOfType(typeof(GameObject)) as GameObject[])
            {                               
                if (item != null && item.name == "CurrentObjectName")
                {
                    item.transform.position = new Vector3(item.transform.position.x, item.transform.position.y, yourChose); 
                }
            }

answered Jun 27, 2016 at 21:27

Hüseyin Burak Karadag

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