统一3D错误如何解决

Question

I am starting my project and i got this error can't figure out what's wrong with it. Really appreaciate help and sorry if it's stupid question. I am still new at unity. Thanks for all the answers.

I tried searching for help about this vector2(width,height) but to me it looks all fine. And also if anyone can please explain to my about this rect.center problem why did i got it?

Unity3d Error:

Assets/Scenes/Game/Scripts/GUI/GameGUI.cs(22,22): error CS1061: Type `UnityEngine.Rect' does not contain a definition for `center' and no extension method `center' of type `UnityEngine.Rect' could be found (are you missing a using directive or an assembly reference?)

Code:

using UnityEngine;
using System.Collections;

public class GameGUI : MonoBehaviour {


    void OnResume() {
        enabled = true;
    }

    void OnPause() {
        enabled = false;
    }


    void OnGUI() {
        int fps = (int) (1f/Time.deltaTime*Time.timeScale);
        GUILayout.Box( "FPS "+fps );

        Vector2 size = GUI.skin.label.CalcSize( new GUIContent("+") );
        Rect rect = new Rect(0, 0, size.x, size.y);
        rect.center = new Vector2(Screen.width, Screen.height)/2f;
        GUI.Label( rect, "+" );
    }


}

Thank you for your time.

Answer 1

The center property was introduced in Unity 3.5 according to Unity's Script Reference History page. . So you have to calculate the center on your own. Maybe your constructor should look something like this:

Rect rect = new Rect(Screen.width/2f, Screen.height/2f, size.x, size.y);