How can I implement a full-screen mode toggle option in my game’s settings menu using Unity?

Implementing a Full-Screen Mode Toggle Option in Unity

To implement a full-screen mode toggle in Unity, you need to utilize Unity’s UI elements and scripting capabilities. Below is a step-by-step guide:

1. Setting Up the UI

• Create a Toggle: Open your Canvas in the Unity Editor and add a Toggle UI element. This will be used as the switch for enabling and disabling full-screen mode.
• Label the Toggle: Use a Text component to label the toggle appropriately, such as “Full-Screen Mode”.

2. Writing the Script

using UnityEngine;
using UnityEngine.UI;

public class ScreenModeToggle : MonoBehaviour
{
    public Toggle fullscreenToggle;

    void Start()
    {
        fullscreenToggle.onValueChanged.AddListener(delegate {ToggleFullScreen(fullscreenToggle.isOn);});
        // Set the toggle to match current screen mode
        fullscreenToggle.isOn = Screen.fullScreen;
    }

    void ToggleFullScreen(bool isFullScreen)
    {
        Screen.fullScreen = isFullScreen;
    }
}

3. Attaching the Script

• Attach Script to a GameObject: Create an empty GameObject in the scene and attach the ScreenModeToggle script to it.
• Link the Toggle: In the Unity Editor, link your toggle UI element to the fullscreenToggle field in the script.

4. Testing

Run your game in the editor to test the toggle functionality. Ensure that the toggle correctly switches between full-screen and windowed modes by observing the editor or a standalone build’s response.

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