Input.GetKeyDown not working

Question

Hi, I'm trying to get an input from the "space" button, but it looks like it doesn't take the input when I click. Here's my code:

 else if (other.gameObject.tag == "RedDoor") {
             if (redKey_canvas.enabled) {
                    print("entered the door with the key");
                 if (Input.GetKeyDown(KeyCode.Space)) {
                     print("Space clicked!);
                 
                 //OPEN DOOR
                 other.gameObject.GetComponent<SpriteRenderer>().sprite = enterDoor;
                 redKey_canvas.enabled = false;
                 }
             }

In the console, I get the "entered door with key" message, but when I press Space, nothing happens.

I've also tried to add an Axis to the Input Manager named "DoorEnter", but it doesn't work either...

Answer 1

Answer by Balgy · Dec 24, 2016 at 11:39 PM

Input.GetKeyDown needs to be called from the Update() function since the state gets reset each frame. It will not return true until the user has released the key and pressed it again.

If you already have it in the Update() function, then try

 Input.GetKeyDown("space")

Instead of

 Input.GetKeyDown(KeyCode.Space)

seems to have solved my problem.

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Answer 2

Answer by tanoshimi · Dec 24, 2016 at 07:40 PM

What function is this code contained in? I'm guessing it's something like OnTriggerEnter? That fires in a single frame in which you enter a trigger. And Input.GetKeyDown also fires in only a single frame in which you press a key. So, do you really press the space bar key and enter the trigger at exactly the same 1/60th of a second?

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Answer 3

Answer by knightOfSecrets · Aug 21, 2019 at 01:19 PM

make sure that after running the game at unity u click by the mouse on the game scene (i.e. make sure the game scene is selected)

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roshanjafri31_unity · Mar 08, 2020 at 02:46 PM 0

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Thank you this worked . lol sometimes why you have the scene and game view side by side , issues like this pop up.

Input.GetKeyDown not working

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