excaliburjs / Excalibur / 20923652117 / 1

88%

main: 88%

push

github

feat: [#3649] Add rgb and lrgb color lerp modes (#3658)

<!--
Hi, and thanks for contributing to Excalibur!
Before you go any further, please read our contributing guide: https://github.com/excaliburjs/Excalibur/blob/main/.github/CONTRIBUTING.md
especially the "Submitting Changes" section:
https://github.com/excaliburjs/Excalibur/blob/main/.github/CONTRIBUTING.md#submitting-changes
---
A quick summary checklist is included below for convenience:
-->

=== :clipboard: PR Checklist :clipboard: ===

- [x] :pushpin: issue exists in github for these changes
- [x] :microscope: existing tests still pass
- [x] :see_no_evil: code conforms to the [style guide](https://github.com/excaliburjs/Excalibur/blob/main/STYLEGUIDE.md)
- [x] :triangular_ruler: new tests written and passing / old tests updated with new scenario(s)
- [x] :page_facing_up: changelog entry added (or not needed)

==================

<!-- If you're closing an issue with this pull request, or contributing a significant change, please include your changes in the appropriate section of CHANGELOG.md as outlined in https://github.com/excaliburjs/Excalibur/blob/main/.github/CONTRIBUTING.md#creating-a-pull-request. -->

<!--Please format your pull request title according to our commit message styleguide: https://github.com/excaliburjs/Excalibur/blob/main/.github/CONTRIBUTING.md#commit-messages -->

<!-- Thanks again! -->

<!--------------------------------------------------------------------------------------------->

Closes #3649

## Changes:

- `Color.lerp` rename to `Color.lerpHSL`
- add `Color.lerpRGB` method, which uses linear interpolation for blending color
- add `Color.lerpLRGB` method, which uses linear interpolation with gamma correction
- add `Color.lerp` again, now as alias for other lerp methods with optional `colorSpace` param

5392 of 7341 branches covered (73.45%)

14866 of 16748 relevant lines covered (88.76%)

24518.62 hits per line