ISSUE #3100: Add support for different animations mode, reverse, ping pong, looping or not

[12alkry45]

Describe your changes

Add --animation-mode and --animation-repeat CLI options. You can choose the mode of the animation: backward, forward or pingpong. Set the number of repeats to the animation.

Issue ticket number and link if any

ISSUE #3100: Add support for different animations mode, reverse, ping pong, looping or not

Checklist for finalizing the PR

• I have performed a self-review of my code
• I have added tests for new features and bugfixes
• I have added documentation for new features
• If it is a modifying the libf3d API, I have updated bindings
• If it is a modifying the .github/workflows/versions.json, I have updated docker_timestamp

AI Disclosure

• I have not used AI to generate any of the content of this pull request
• I have used AI to generate code in this pull request:
  • I have carefully read and understood the AI policy.
  • I have carefully reviewed and completely understood every generated line.
  • I disclose below which parts of the code were generated and with which AI model:

...

Continuous integration

Please write a comment to run CI, eg: \ci fast.
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[mwestphal]

@12alkry45 please disclose AI usage in the PR description

[12alkry45]

@12alkry45 please disclose AI usage in the PR description

I only used Google (AI search) for internal/informational research. No code or PR text was generated by AI. Since I haven't completed the issue yet, I thought I'd check the box later, but, okay, it's indeed important, sorry)

[mwestphal]

@12alkry45 please disclose AI usage in the PR description

I only used Google (AI search) for internal/informational research. No code or PR text was generated by AI. Since I haven't completed the issue yet, I thought I'd check the box later, but, okay, it's indeed important, sorry)

No worries, we are being swamped by ai PRs atm, so we are checking right away.
Do not hesitate to modify the ai disclosure during the PR if you need to :)

[12alkry45]

\ci fast

[12alkry45]

Hello, @mwestphal , could you please review the code before I add tests and update docs? might be I have missed smth

[github-actions]

❌ Invalid CI command "fast"

[12alkry45]

Hello, @mwestphal , could you please review the code before I add tests and update docs? might be I have missed smth

[mwestphal]

Sorry I missed this. Ill review.

[mwestphal]

That looks great! please move forward with doc and tests :)