检查鼠标是否在游戏窗口内

发布于 2024-12-01 01:20:40 字数 564 浏览 1 评论 0原文

我正在使用 XNA 在窗口中可视化 3D 场景（= 非全屏）。用户可以单击并拖动鼠标来移动相机：

Public Sub New()
    ...
    Me.IsMouseVisible = True
    Me.Window.AllowUserResizing = True
    ...
End Sub

Protected Overrides Sub Update(ByVal gameTime As Microsoft.Xna.Framework.GameTime)
    Dim m = Mouse.GetState()

    ' Change camera position based on m
    ...
End Sub

这可行。问题是，当鼠标不在游戏窗口内时，这仍然有效，这看起来有点奇怪（我在 Outlook 中移动邮件，另一个窗口中的 3D 场景开始转动）。

我没有找到 Mouse.IsInsideGameWindow() 属性。我还能（轻松）做些什么来避免这种情况吗？

原文

I'm using XNA to visualize a 3D scene in a window (= not full-screen). The user can click and drag the mouse to move the camera:

Public Sub New()
    ...
    Me.IsMouseVisible = True
    Me.Window.AllowUserResizing = True
    ...
End Sub

Protected Overrides Sub Update(ByVal gameTime As Microsoft.Xna.Framework.GameTime)
    Dim m = Mouse.GetState()

    ' Change camera position based on m
    ...
End Sub

This works. The problem is that this even works when the mouse is not inside the game window, which looks a bit strange (I move a mail in Outlook and the 3D scene in the other window starts turning).

I didn't find a Mouse.IsInsideGameWindow() property. Is there anything else that I can (easily) do to avoid this?

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む无字情书 2024-12-08 01:20:40

bool IsMouseInsideWindow()
{
    MouseState ms = Mouse.GetState();
    Point pos = new Point(ms.X, ms.Y);
    return GraphicsDevice.Viewport.Bounds.Contains(pos);
}

bool IsMouseInsideWindow()
{
    MouseState ms = Mouse.GetState();
    Point pos = new Point(ms.X, ms.Y);
    return GraphicsDevice.Viewport.Bounds.Contains(pos);
}

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