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Votes

1

Found in [Package]

1.1.0-pre.6

Issue ID

ISXB-31

Regression

Yes

[Input System] CompositeBinding doesn't work with Mouse Scroll Wheel

Package: Input System

-

How to reproduce:
1. Open user-submitted project
2. Press Play
3. Scroll Mouse Wheel Down

Expected result: Text changes from 1 to 2
Actual result: Text remains at 1

Reproducible with: 1.1.0-pre.6, 1.1.1 (2021.2.0b16, 2022.1.0a12)
Not reproducible with: 1.1.0-pre.5 (2021.2.0b16, 2022.1.0a12)
Could not test with: 1.1.0-preview.3 (error CS1061: 'InputSystemUIInputModule' does not contain a definition for 'AssignDefaultActions'), 2019.4.31f1 (SerializationException: Unable to find assembly 'UnityEditor.CoreModule), 2020.3.20f1, 2021.1.25f1 (The list of \[SerializeReference] objects being deserialized is from a more recent version of Unity. This is not supported and objects will be skipped.)

  1. Resolution Note:

    Project binds to an inverted scroll/y axis and then uses WasPressedThisFrame()/WasReleasedThisFrame() on the value. The axis will go [-1..1] and thus, given that "pressed" is evaluated by magnitude, will trigger both on scrolling up and down. Adding a clamp with [0..1] fixes that and press detection works as expected. In 1.4, we have added up/down/left/right controls to bind to scroll directions easily without having to apply processors.

    The behaviour change between 1.1.0-pre5 and 1.1.0.-pre6 is is a result of fixing behaviour where minimum and maximum values were not respected in Axis Composite Bindings https://issuetracker.unity3d.com/issues/inputsystem-1d-axis-composite-binding-will-return-a-incorrect-value-if-minvalue-and-maxvalue-is-not-1-and-1

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