What code or settings should I use to enable fullscreen mode in my PC game using Unity?

Enabling Fullscreen Mode in Unity PC Games

Unity Settings for Fullscreen

To enable fullscreen mode in a Unity PC game, you can adjust the settings in the Player Settings:

• Go to Edit > Project Settings > Player.
• Under the Resolution and Presentation section, find Fullscreen Mode.
• Select Fullscreen Window or Exclusive FullScreen, depending on the desired behavior.

Code Implementation for Fullscreen Toggle

In addition to Player Settings, you can enable fullscreen mode programmatically using C#. Here’s how you can toggle fullscreen mode via code:

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using UnityEngine;

public class FullscreenToggle : MonoBehaviour {
    void Update() {
        // Toggle fullscreen mode on F11 key press
        if (Input.GetKeyDown(KeyCode.F11)) {
            Screen.fullScreen = !Screen.fullScreen;
        }
    }
}

Best Practices for Fullscreen Implementation

• Consider using Screen.fullScreenMode to specify different fullscreen modes such as FullScreenMode.ExclusiveFullScreen or FullScreenMode.FullScreenWindow.
• Ensure that the resolution settings are handled appropriately to avoid stretching or distortion. Use Screen.SetResolution(width, height, fullscreen) to explicitly set desired screen resolution.
• Bear in mind that the behavior may vary depending on the player’s operating system and monitor setup; testing across multiple environments is advisable.

For advanced fullscreen settings, refer to Unity’s official documentation on Screen class and Player Settings for Standalone.