How can I implement a feature in my game that allows players to reposition a windowed game that has moved off-screen?

Implementing Window Repositioning for Off-Screen Games in Godot

Understanding Window Positioning in Godot

In Godot, handling windowed applications and ensuring they remain on-screen is essential for providing a smooth user experience. By default, Godot allows some window management through its scripting API.

Detecting Off-Screen Windows

1. Get Current Window Position: Use OS.window_position to get the current window position. This property is crucial for determining whether your game window is off-screen.
2. Check Against Screen Dimensions: Use OS.get_screen_size() to fetch the dimensions of the current screen. Compare the window’s position with the screen size to ascertain if part or all of the window has moved off-screen.

Repositioning Off-Screen Windows

1. Calculate New Positions: If a window is detected off-screen, calculate a suitable position that places the window back within the visible area. A simple approach is repositioning it to the top-left corner of the screen.
2. Set New Position: Utilize OS.window_position to set the new position, ensuring the window appears on-screen:

if window_position.x < 0 or window_position.y < 0 or window_position.x + window_size.x > screen_size.x or window_position.y + window_size.y > screen_size.y:
    OS.window_position = Vector2(0, 0)  # Example reposition to top-left

Handling Multi-Monitor Setups

For setups involving multiple monitors, extend the window repositioning logic to consider virtual desktop size and available monitors using functions like OS.get_screen_count() and OS.get_screen_position().

Get ready for an exciting adventure!

Testing and Iteration

Test the implementation across various resolutions and monitor configurations to ensure robustness. Logs can be integrated to track window positions, aiding in debugging and improvement.

Best Practices

• User Controls: Allow users to manually reset the window position via a hotkey or in-game menu option.
• Graceful Recovery: Provide feedback or automated solutions when unintended off-screen actions occur.
• Performance: Prevent continuous window reposition calculations to avoid performance bottlenecks.