C# Parsing Error

Question

I'm making a Game Called UnityCraft and I tried making a way to switch blocks!
Here is my Code:

using UnityEngine;
using System.Collections;

public class BuildScript : MonoBehaviour {

    RaycastHit hit;

    public int blockSelected = 1;

    public Transform prefab;

    // Use this for initialization
    void Start () {
    }

    // Update is called once per frame
    void Update () {
        if(Input.GetButtonDown(1)){
            blockSelected = 1;
        }

        if(Input.GetButtonDown(2)){
            blockSelected = 2;
        }

        if(blockSelected == 1){
            prefab = dirt;
        }

        if(blockSelected == 2){
            prefab = brick;
        }


        Ray ray = camera.ViewportPointToRay (new Vector3 (0.5f, 0.5f, 0));
        Vector3 G = new Vector3 (Mathf.Round (hit.point.x), Mathf.Ceil (hit.point.y), Mathf.Round (hit.point.z));

        if (Physics.Raycast (ray, out hit)) {
            if (Input.GetMouseButtonDown (0)) {
                Destroy (hit.collider.gameObject);
                print ("Block Destroyed!");
            }

            if (Input.GetMouseButtonDown (1)) {
                Instantiate (prefab, G, Quaternion.identity);
            }
        }
    }
}

I have a prefab called brick and one called dirt, and they are linked to blocks.

It comes up with parsing error

jezza23
– jezza23

2014-01-28 20:27:57 +00:00
Commented Jan 28, 2014 at 20:27 — jezza23
– jezza23, Commented Jan 28, 2014 at 20:27
What is your question?

SLaks
– SLaks

2014-01-28 20:28:28 +00:00
Commented Jan 28, 2014 at 20:28 — SLaks
– SLaks, Commented Jan 28, 2014 at 20:28
In what line is the error? What is the error message?

O. R. Mapper
– O. R. Mapper

2014-01-28 20:30:36 +00:00
Commented Jan 28, 2014 at 20:30 — O. R. Mapper
– O. R. Mapper, Commented Jan 28, 2014 at 20:30

Bart · Accepted Answer · 2014-01-28 20:59:47Z

2

I'm assuming that the problem you're referring to is in the line

if(Input.GetButtonDown(1)){

That won't work, because GetButtonDown does not have an integer argument. It takes a string, which you can find or define in the input manager.

From your code I do take it that you want to simply use number keys? In that case, don't use the GetButton calls, but use GetKey instead. So change your code to something like

if(Input.GetKeyDown(KeyCode.Keypad1)){

for the case where pressing 1 should trigger something.

answered Jan 28, 2014 at 20:59

Bart

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