Question Unable to make Input.GetKey work

Apologies if this is a dumb question.

I'm trying to create a custom physics system for a unique racing game, and I've begun to get the following error message from my player controller script:



Here is the code I'm using:



using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;

public class playerController : MonoBehaviour
{
public GameObject player;

bool leftInput = Input.GetKey(KeyCode.A);
bool rightInput = Input.GetKey(KeyCode.D);
bool forwardInput = Input.GetKey(KeyCode.W);
bool backInput = Input.GetKey(KeyCode.S);

float smooth = 5.0f;
float tiltLeft = -60.0f;
float tiltRight = 60.0f;

private void Update()
{
if (leftInput == true)
{
float tiltAroundZ = Input.GetAxis("Horizontal") * tiltLeft * Time.deltaTime;
};

if (rightInput == true)
{
float tiltAroundZ = Input.GetAxis("Horizontal") * tiltRight * Time.deltaTime;
};

if (forwardInput == true)
{
transform.position = player.transform.position + new Vector3(0, 0, 20 * Time.deltaTime);
};

if (backInput == true)
{
transform.position = player.transform.position + new Vector3(0, 0, -10 * Time.deltaTime);
};
}


}

 

if this was one of the first attempts at coding in unity, it's not bad! But, a couple of things:

First, use code tags in the forum when you submit code, more info about that here.

Regarding your problem:
this way you would only read the keyboard one time when this class is instantiated anyway.
And you need constant read out, so you can react to player input during the application running, right?

So, initialize the

leftInput

-like variables with

false

(or simple don't initialize them, same thing) and then move the read into the beginning of the Update method.

Code (CSharp):

1. private void Update ()
2. {
3.     leftInput = Input.GetKey(KeyCode.A);
4.     rightInput = Input.GetKey(KeyCode.D);
5.     forwardInput = Input.GetKey(KeyCode.W);
6.     backInput = Input.GetKey(KeyCode.S);
7. [...]

Later you can learn more effective ways to handle input, but it is great for a first.

 

That worked! Thanks so much for your response, and noted regarding the code tags.