CODEWITHSUNDEEP
c#unity-game-engine
greyspace
greyspace

Reputation: 545

Input.KeyDown() returns error but Input.GetKeyDown() does not

I'm having a weird problem. I'm trying to make an object move in the direction you press for as long as you hold that button. When I use Input.GetButton(), I get an error that the direction I use ("left," "right," "up," or "down") is not defined, but it is defined. If I use Input.GetKeyDown() instead, everything compiles as usual.

using UnityEngine;
using System.Collections;

public class MovementHandler : MonoBehaviour {

    void Update () {

//      if (Input.GetButton ("left")) //Does Not work
//          Debug.Log ("left");

        if (Input.GetKeyDown ("left")) //Works
            Debug.Log ("left");
    }
}

Upvotes: 1

Views: 2000

Answers (1)

Kyle Pittman
Kyle Pittman

Reputation: 3097

Input.GetButton and Input.GetKeyDown take two different inputs.

Input.GetKeyDown checks to see if the key "left" is being pressed. That being said, the documentation says you should be using a KeyCode object as your parameter, like this:

if (Input.GetKeyDown(KeyCode.LeftArrow)) // reads the left arrow key

(See GetKeyDown and KeyCode docs.)

Input.GetButton is expecting to check to see if a Button object with the specified name is being pressed.

if (Input.GetButton("Fire1")) //reads the CTRL key

Upvotes: 1

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