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This article introduces the knowledge of "how to shield unity response events". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Shielding UI response events in the 3D World

In Unity game development, we often encounter such a problem: drag and drop 3D scenes to preview the current world. That is, by dragging the mouse to control the position of the camera. But in the scene, there is usually a UI interface suspended at the top.

When we swipe the scroll list on the UI interface, we will find that the scene will move with it. This is what we don't want to see. The correct result should be that the camera does not move until you drag the scene, which is in line with our settings. Therefore, an interface is needed to determine whether the current mouse is clicked on the UI.

Public bool IsPointerOverGameObject ()

{

If (Input.GetMouseButton (0)

| | (Input.touchCount > 0 & & Input.GetTouch (0). Phase = = TouchPhase.Began))

{

# if UNITY_EDITOR

If (EventSystem.current.IsPointerOverGameObject ())

Return true

# else

If (Input.touchCount > 0)

{

Int fingerId = Input.GetTouch (0). FingerId

If (EventSystem.current.IsPointerOverGameObject (fingerId))

{

Return true

}

}

# endif

}

Return false

}

If the function interface above returns true, it indicates that the current mouse has clicked UI.

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