DOCS: How to use processors by ritamerkl · Pull Request #2171 · Unity-Technologies/InputSystem

ritamerkl · 2025-04-23T15:02:53Z

Description

This adds more documentation on how to use processors.

Testing status & QA

No testing

Overall Product Risks

Complexity: low
Halo Effect: low

Comments to reviewers

Checklist

Before review:

Changelog entry added.
- Explains the change in Changed, Fixed, Added sections.
- For API change contains an example snippet and/or migration example.
- JIRA ticket linked, example (case %%). If it is a private issue, just add the case ID without a link.
- Jira port for the next release set as "Resolved".
Tests added/changed, if applicable.
- Functional tests Area_CanDoX, Area_CanDoX_EvenIfYIsTheCase, Area_WhenIDoX_AndYHappens_ThisIsTheResult.
- Performance tests.
- Integration tests.
Docs for new/changed API's.
- Xmldoc cross references are set correctly.
- Added explanation how the API works.
- Usage code examples added.
- The manual is updated, if needed.

During merge:

Commit message for squash-merge is prefixed with one of the list:
- NEW: ___.
- FIX: ___.
- DOCS: ___.
- CHANGE: ___.
- RELEASE: 1.1.0-preview.3.

After merge:

Create forward/backward port if needed. If you are blocked from creating a forward port now please add a task to ISX-1444.

…es/InputSystem into docs-processors

lilisha-unity

I did my first pass on the PR. Please fix the note formatting and replace the placeholder image alt text with something more descriptive. Also, there are quite a few sentences written in passive voice—please rewrite them in active voice where appropriate. You can refer to the Unity style guide for reference: https://docs-style-guide.unity.com/style/use-active-voice.

…sors.md Co-authored-by: lilisha-unity <94024889+lilisha-unity@users.noreply.github.com>

Co-authored-by: lilisha-unity <94024889+lilisha-unity@users.noreply.github.com>

…sors.md Co-authored-by: lilisha-unity <94024889+lilisha-unity@users.noreply.github.com>

Co-authored-by: lilisha-unity <94024889+lilisha-unity@users.noreply.github.com>

codecov-github-com · 2025-05-27T17:33:31Z

Codecov Report

All modified and coverable lines are covered by tests ✅

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lilisha-unity

Finished my review with some suggestions.

Co-authored-by: lilisha-unity <94024889+lilisha-unity@users.noreply.github.com>

…es/InputSystem into docs-processors

ekcoh

Looks good to me, added some minor comments

ekcoh · 2025-06-11T14:07:11Z

+
+#### Example: Racing game speend control
+
+In a case where the player is not supposed to fall below a certain base speed, but also cannot exceed a certain maximum speed, the Clamp Processor is the one you may want to use.


Generally, IMO this to be game-logic and not input logic, but its fine as-is to show as example.

ekcoh · 2025-06-11T14:09:37Z

Looks like there is some CI issues that needs attention

jfreire-unity

Thanks, an important improvement for our docs!
I added some minor suggestions.
Mostly nitpicks around using "Processors" and "processors". I probably didn't catch them all, but it would be good to always use the same.

jfreire-unity · 2025-06-12T12:05:49Z

+    "invert,normalize(min=0,max=10)"
+```
+
+## Choose the right Processor


Great section 👏

jfreire-unity · 2025-06-12T12:09:18Z

+The [Scale Processor](ProcessorTypes.md#scale) multiplies the input value by a given factor X. This applies to float values as well as vectors, where each axis is multiplied by the corresponding factor specified for that axis.
+This allows you to assign weight to input values, which can, for example, make a particular type of control easier to use.
+
+#### Example: Horizontally aligned Camera


I don't think it makes sense to add now but I feel it can be mentioned. This example would be a great shout out to another package users might not be aware of, such as Cinemachine!

Co-authored-by: João Freire <joao.freire@unity3d.com>

ritamerkl added 2 commits April 17, 2025 16:42

restructure processors documentation

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added scenarios for each processor

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ritamerkl marked this pull request as draft April 23, 2025 15:05

ritamerkl added 6 commits April 25, 2025 17:32

uniforming scenarios & explanation and adding more details

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ritamerkl marked this pull request as ready for review April 29, 2025 13:32

Merge branch 'develop' into docs-processors

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ritamerkl requested a review from jfreire-unity April 29, 2025 13:32

ritamerkl added 5 commits April 29, 2025 15:46

fixed formatting

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Merge branch 'docs-processors' of https://github.com/Unity-Technologi…

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…es/InputSystem into docs-processors

updated file references to processors

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LeoUnity requested a review from JonMUnity May 1, 2025 12:26

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ritamerkl and others added 10 commits May 27, 2025 15:39

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ritamerkl and others added 7 commits May 27, 2025 15:44

Update Packages/com.unity.inputsystem/Documentation~/UsingProcessors.md

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remove TOC for autogenerated TOC

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ritamerkl and others added 7 commits May 28, 2025 18:13

added formatting to Notes

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fixed note comment

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Merge branch 'docs-processors' of https://github.com/Unity-Technologi…

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ritamerkl requested review from jfreire-unity and removed request for JonMUnity June 12, 2025 11:55

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Update Packages/com.unity.inputsystem/Documentation~/ProcessorTypes.md

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ritamerkl merged commit 05635ca into develop Jun 13, 2025
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ritamerkl deleted the docs-processors branch June 13, 2025 08:38


		#### Example: Racing game speend control

		In a case where the player is not supposed to fall below a certain base speed, but also cannot exceed a certain maximum speed, the Clamp Processor is the one you may want to use.

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