How to access mouse wheel? I'd like to use it for changing an opacity of some elements during the experiment.

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asked Mar 26, 2019 by anonymous

1 Answer

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answered Apr 2 by Ilia Korjoukov (13,040 points)
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You can use HID input element and select the mouse as an input device there. Then, the mouse wheel can be accessed as an axis value, which usually returns 0 for the wheel still state, 120 for scrolling up state and 56416 for the scrolling down state. The axis values change rapidly, so I would use a Control Loop script that continuously monitors the axis value

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