Continued New Scrolling problems about aoe2techtree HOT 7 CLOSED

Agreed, the current behavior is horrible in Chrome/Mac when using the touch pad.

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Here's an example of the jumping behavior.

I first scroll in one direction by swiping left on a trackpad a few times, then scroll back by swiping right.
Notice the jumping behavior, especially when scrolling back.

from aoe2techtree.

Well, I do not have access to an input device that does multidirectional scrolling. This means I cannot test if this simple solution works for you both, so please test it and report back: https://hszemi.github.io/aoe2techtree/#Aztecs

While this feature might in its current state be a nuisance to you, and understandably so, it has been requested by others. I myself find it very handy as well. Therefore I would very much like to keep it, and instead try to make it work for you as well.

The right hand side part of the tech tree should adapt its height to the available vertical space, so scrolling vertically there should never be necessary. If that is not the case, I would consider that a bug. Alternatively, there should be a vertical scrollbar that can be used. Or keyboard arrows, as you suggested.

A UI control to disable the feature I would see as a last resort since that would take up valuable screen space. I hope there is a more covert way to resolve your issues.

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I can repro the odd scrolling issues when using the trackpad on my macbookpro.

I spent some time with https://hszemi.github.io/aoe2techtree/ and it seems smooth there, no jumps.

I will point out that there's an alternative to this wheel/delta handling… The shiftkey + scrollwheel combo does universally scroll horizontally. AFAIK it's been supported in OS/browsers for decades.

I have been successfully using shift+wheel on the webapp for a while now. (you can try on my older fork that's missing the wheel handling) Of course, most people aren't aware of this and that's a UX challenge on its own.

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Thank you for testing and reporting your result 💛
Since the change apparently is an improvement and does not have new known side effects, I have applied it to the main site.

I know about scrolling vertically with shift+wheel, but on the techtree website it feels like walking with ball and chain to me. I need 11 turns of the wheel to traverse the tech tree completely with shift+wheel, as opposed to about six turns with horizontal auto-scroll.
An added bonus is of course that the in-game tech tree also scrolls horizontally without shift.

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An added bonus is of course that the in-game tech tree also scrolls horizontally without shift.

yeah that's a very good point.

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Looks like the current solution has not spawned new issues so far 🙂
Closing this for now.

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