CODEWITHSUNDEEP
c#unity-game-engineraycasting
RyanH2796
RyanH2796

Reputation: 1209

C# raycast code not working with Unity

Hi so I wrote some code to create a raycast that follows the mouse position on the screen, I have the gun set up and I have the barrel down properly with a collider etc, but I keep getting the error: NullReferenceException: Object reference not set to an instance of an object. I just can't work out what the problem is, here's my code:

    void Update ()
    {
        if (gun.active) {
                    if (Input.GetButtonDown ("Fire1")) {
                            Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
                            RaycastHit hit = new RaycastHit ();
                            if (Physics.Raycast (ray, out hit)) {
                                    if (hit.collider.gameObject.name == "barrel") {
                                            Debug.Log ("Hit the Barrel");
                                            Destroy (hit.collider.gameObject);
                                    }
                            }
                    }
            }

    }

Upvotes: 0

Views: 1219

Answers (1)

axwcode
axwcode

Reputation: 7824

Your Camera is not tagged as main camera in the Editor.

That is why your code can't find it and thus why it throws an exception.

Upvotes: 4

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