Deactivate a edge detection effect on camera with a key

Unity Engine
1

i’m quite confuse on this, i’m trying to acces a script on my camera wich is part of the unity effect, the edge detection script.
trying to enable it and disable it with a key

my code is

```csharp
*using UnityEngine;
using System.Collections;

public class test_scriptenabler : MonoBehaviour
{

void Update()
{
    ed = Camera.main.EdgeDetection;

    if (Input.GetKey(KeyCode.Space))
    {
        ed.enabled = !ed.enabled;
    }
}

}
_```*_

well i’m getting an error " Assets/Script/test_scriptenabler.cs(13,27): error CS0103: The name `ed’ does not exist in the current context "

i dont understand why ?
2

Two issues going on.

Your compiler error is because you need to declare “ed” before you use it. e.g. “EdgeDetection ed = …”

The Camera class also doesn’t have a member variable named “EdgeDetection”. I’m guessing you meant .GetComponent()

3

Also, GetKey will be true for every frame you’re holding spacebar, so the effect will flicker on and off while you hold it. Use .GetKeyDown or .GetKeyUp instead.

4

yeah well thx for the answer but i dont understand where the hell and most of all wich kind of declaration form i need to use, before void start or in update, i’m kinda new to code and it’s not very simple for me

hence i understand the GetComponent use

thx for trying