Simple R15 IK Foot-Planting Module

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#1

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Summary

Hello, fellow developers! I created an extremely simple and easy-to-use module that integrates with any R15 game to make your character feel more realistic.

What’s foot-planting?

Foot-Planting is the process of aligning a character’s legs to match the surface they’re standing on, making the character feel more realistically integrated into their environment. I wanted to make a module that would achieve this efficiently and be easy to drag-and-drop into any project.

Examples

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How to use

Simply put the module into StarterPlayerScripts.

Module (Toolbox)
or
V1_Test.rbxl (63.5 KB)

Usage Rights

  • If using the system in your game, I would appreciate credit, but ultimately it is not required.
  • Please do not claim use directly as your own.
  • Feel free to edit however you’d like to adjust to your own needs.
  • Please do not redistribute edited versions without credit or claim system as your own.

Feedback

I always look for feedback. I’m sure this system isn’t perfect, if anyone has any suggestions, edits, or feature requests, I’m listening.

I can’t test everything by myself, unfortunately.

Version History
1.0.0 - 1/9/2024 - Uploaded, Let me know of any issues you encounter.

Known Issues

  • The rays intersect parts which the player can’t collide with (this is an easy fix I just haven’t gotten to doing it yet)
  • The target points don’t consider the upper leg position/rotation and cause the feet to drift together
  • Exaggerated animation packs often completely destroy the IK, again because I don’t take into account the animation’s influence on the feet position.
  • Replication!

EDITS

5/30/2024 - Hey Y’all! I’m working on a majorly improved version of this that’ll include foot planting while moving, other animation packages, and turn-in-place support. I’m taking my sweet time and getting busy with other things but it’ll get done eventually

31 Likes
#2

This is the first dedicated module I’ve seen for R15 footplanting, good work! One thing I noticed is that there’s no smoothing on the IK, the feet snap into place. Is this customizable?

3 Likes
#3

Some issues I’ve noticed when testing your system:

  • When using non-default animations the legs can periodically spasm resulting in undesirable poses when animating on surfaces.
  • The legs seem to have a habit of wanting to drift together in your test space when left standing still.
  • On parts which are transparent, the hit detection still hits and causes the legs to fold into the body. This is easily fixed by a programmer however.
1 Like
#5

FINALLY - i can walk down stairs properly

1 Like
#6

This is really cool!
However, I tested and found out it doesn’t replicate server-side (may not replicate to other clients as well).

#7

Looks good! However, I have noticed something. The legs spasm when using custom animation packages

#8

Hey this module looks really cool. Can’t wait to see what that new and improved version looks like, assuming this is still actively maintained.

EDIT: I know have nightmares
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2 Likes