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Pitfalls & Tricks

Panel

Panel is used to represent a box-like UI, e.g.

  • background panel for other UI elements.
  • a round-corner boundary, to show "highlight" effect.

To change the look, we need to create a new StyleBox inside Inspector > Theme Overrides > Styles > Panel

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Mouse_entered/exited

Note that mouse_exited will be triggered if the mouse enter a child Control/CollisionObject2D element!

To avoid this, we need to set mouse filter in Inspector:

image-20240813212853329

  • Stop (default): not applying filter, i.e., it will trigger mouse signals normally.
  • Ignore: ignore all mouse signals.