Inverted scrollrect

Question

Hi! I have a bunch of buttons that are being aranged by a GridLayoutGroup. Attactched to that parent object i have a scrollbar with a scrollrect. Everything works just fine, I can scroll it and the buttons move around just as I wanted them to. The only problem is that the scrolling is inverted. Drag the mouse up and the scrollbar moves down and move the mouse down and the scrollbar moves up. I've tried adjusting the sensitivity to a negative value but the sensitivity makes no difference to the direction and not even the speed! What am I doing wrong? Thanks in regards!

Btw, I cannot find any other topic than “Strange IOC”, I don’t even know what that means but I had to enter a topic...

Answer 1

Answer by huulong · Dec 29, 2021 at 07:55 PM

I got this on UI Toolkit Scroller. The child Slider automatically set Inverted to true despite the scroller being Horizontal (Scroller.cs code constructor says it should only be Inverted when vertical). I don't know if that applies to your case, but I suspect some behaviours are common between UI and UI Toolkit.

EDIT after reading comments: to be clear, the behaviour was definitely wrong, as the scroller was Horizontal, not Vertical, and clicking on the left arrow moved the slider to the right, and vice-versa.

I have reported the bug for UI Toolkit (for Editor window).

In the meantime, my workaround is to set myScroller.slider.inverted = false manually after UI elements construction when the scroller is horizontal. Maybe it will work with your UI system too.

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Inverted scrollrect

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