Read analog stick input without using the Input Manager

Question

I'm making a quick prototype and there is no real reason for having a specific limit of players in the game (at this state) so I want to be able to read every single controller connected to the computer without having to make multiple axis in the Input Manager.

Answer 1

Answer by YesNoKonrad · Oct 18, 2016 at 12:51 AM

Yes indeed.

To ask for an arbitrary keycode you use the enumeration KeyCode.

The KeyCodes for the joysticks follow all the following formula:

KeyCode.Joystick*XButtonY where you replace X with the joystick number (order is determined by the order they are identified (i.e plugged in) by the computer) and Y with a number. numbers reach from 1 to 19.

hint: The * Behind Joystick is a bug.

for example Input.GetAxis(KeyCode.Joystick2Button1) should return either the vertical or horizontal axis of the left stick when im not mistaken.

Warning: I don't know if GetAxis() actually works with KeyCodes.

If yes, this is the way.
If no, there is only GetKey(Down/Up) left and that function only returns bool which means you cannot make decent use of the sticks without actually configuring them in the InputManager.

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PlayCreatively · Oct 18, 2016 at 01:32 AM 0

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No, GetAxis only reads the axis determined in the Input $$anonymous$$anager (as I'm aware). So my only known option is to use Get$$anonymous$$ey but I already knew about that. I was hoping for a solution to get analog input without using the Input $$anonymous$$anager. Thanks anyways.

YesNoKonrad PlayCreatively · Oct 18, 2016 at 01:37 AM 0

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Shame. Well, that is why they work on a new Input class. Can't be done soon enough if you ask me!

PlayCreatively YesNoKonrad · Oct 18, 2016 at 01:46 AM 0

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Oooh, sounds exciting. I shamefully start on new projects all the time, loosing interest in my current projects. Which means that I'm always starting from scratch and wasting allot of needless time on setting up the Input$$anonymous$$anager.

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Naphier · Oct 18, 2016 at 07:16 AM 0

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GetAxis will accept a string ("axis 1", etc). What we do to determine all available axes is generate a string (string.format("axis {0}", i)) for i = 1 to 20. Do this inside a try-catch, when the catch happens the previous i is your final available axis on the controller. I believe this is for all the connected controllers, so I'm not sure if there is a way to separate it, but is there is the string is likely "joystick 1 axis 1". This also works for the Input.Get$$anonymous$$eyDown("joystick 1 button 1"). We use the same try-catch method to determine the joystick number connected.

PlayCreatively Naphier · Oct 18, 2016 at 05:01 PM 0

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They all return an error. Joystick1Axis1 and etc doesn't exist.

Naphier PlayCreatively · Oct 18, 2016 at 05:02 PM 0

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It's just "axis 1" and spaces and capitalization is important "joystick 1 button 1"

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Read analog stick input without using the Input Manager

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