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Question by drulludanni · Dec 08, 2013 at 04:45 AM · c#getcomponentlinerenderer

How do i refer to a linerenderer attached to my object?

I'm kind of new in unity so, sorry if this question is kind of stupid.

So I have a prefab that is just an empty game object with a Linerenderer on it however I have no idea how to refer to said Linerenderer in code(that is attached to the prefab). all i want to do in the code is set the startpoint and endpoint of the laser I'd probably have to do it somehow like this :

 laser.setposition(0,startpoint);
 laser.setposition(1,endpoint);

that is if I knew how to assign the attached linerenderer as laser.

I assume I should use some kind of getcomponent command, but I have no idea how to use it. I could probably just generate a line renderer using code but I would like to learn how to do this to avoid similar problems in the future. ( i have looked up scripting reference for linerenderer and getcomponent without any success)

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Answer by GameVortex · Dec 08, 2013 at 08:50 AM

Setting a reference to a linerenderer is the same as setting the reference to any other component in Unity. You have to add a public variable to your class and drag in the component in the inspector.

Do something like this:

 public class YourClass : Monobehaviour
 {
     public LineRenderer laser; //This will be available in the inspector. 
 
     //So will both of these. 
     public Vector3 startPoint;
     public Vector3 endPoint; 
 
 
     private void Start()
     {
        laser.setPosition(0,startPoint);
        laser.setPosition(1,endPoint);
     }
 }

Now you can drag the linerenderer into the laser variable in the inspector.

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avatar image drulludanni · Dec 08, 2013 at 12:42 PM 0
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Thanks, that's exactly what i needed!

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Answer by Julien-Lynge · Dec 08, 2013 at 06:22 AM

C#:

 laser.GetComponent<LineRenderer>().[whatever method]
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