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The versatility of Unity makes it a widely used game engine, hence, mastering different functionalities like cursor management can come handy while creating an immersive user experience. One of the problems that often puzzles many developers is locking and hiding the cursor in Unity. This article will address this issue and provide a solution in C#.
Locking and Hiding Cursor in Unity
The solution to the problem lies in a simple snippet of C# code leveraging Unity’s Cursor class. This class provides developers with options to manipulate the computer’s hardware cursor parameters. The visibility and lock state of the cursor can be manipulated using `Cursor.visible` and `Cursor.lockState` respectively.
void Update ()
{
Cursor.lockState = CursorLockMode.Locked;
Cursor.visible = false;
}
This snippet allows you to lock the cursor to the center of the screen and hide it simultaneously.
Step-By-Step Explanation of The Code
In Unity, the monobehavior function `void Update()` is called once per frame. This allows the cursor to stay locked and hidden during gameplay. The parameters `CursorLockMode.Locked` and `Cursor.visible = false` lock the cursor to the center and hide it.
The `Cursor.lockState` property is used to confine the cursor to the game window or lock it at the center of the view when the game goes into play mode. `CursorLockMode` is an enumeration that offers three values: None, Confined, and Locked. In our case, `CursorLockMode.Locked` keeps the cursor at the center.
`Cursor.visible` is a boolean property used to control the visibility of the cursor. Setting `Cursor.visible = false` hides the cursor.
Useful Libraries and Functions
Cursor management in Unity does not necessitate additional libraries. Unity’s Inbuilt Cursor class provides all required functionality. However, to further enhance control over the cursor or other user-interface aspects, you might want to explore `UnityEngine.EventSystems` or `UnityEngine.UI`.
While, Unity’s Cursor class provides control over appearance and visibility, The `UnityEngine.EventSystems` namespace offers powerful tools for detecting cursor events, such as clicks or hovering over an object.
The `UnityEngine.UI` allows you to develop intricate and interactive UI, which could be useful when creating a custom cursor or engaging buttons that players may interact with.
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