'Create array GameObject Background

i am trying to create a gameobject array of 4 backgr. Every time you pass the screen, you will change to another backgr. I don't know where I'm going wrong, please help

    public GameObject[] Backgrounds;
    public SpriteRenderer BakcgrRenderer;
    public Vector2 BackgrSize { get => mapRenderer.size; }
    public void ChangeBackgr(int? id)
    {
        if (id == null)
        {
            return;
        }
        BackgrRenderer.sprite = Backgrounds[(int)id];
    }
unity3d


Solution 1:[1]

You can use a Dictionary, You can use an ID and a Value, After that you can set a gameobjet from the Dictionary by doing this,

a.Add(Id, Value);

and for getting the value :

GameObject g;
a.TryGetValue(Id, out g);
if (g != null)
{
// code here
}

for this Dictionary I use this :

Dictionary<string, GameObject>

Solution 2:[2]

You are attempting to assign a game Object to the value of a sprite.

Instead of

BackgrRenderer.sprite = Backgrounds[(int)];

You need to access the sprite from the gameObject and assign that

BackgrRenderer.sprite = Backgrounds[(int)].sprite;

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Suky Laplante
Solution 2 Jay

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