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.

github repo

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
12/31/2024 - Hey again, it’s been a bit and I totally haven’t gotten as far as I would’ve liked, I got busy! I moved this project’s source code into a github repo, if you’d like to contribute, please be my guest! I’ll work to formalize this process as we pick up steam. For now, you can find the most recent version here on github.

38 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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3 Likes
#9

Thank you! I tried making this myself a while ago, but it didn’t work out. This script saved me! I’m also giving credit now!

#10

YOINK. I’ll be using that.

Also 2 posts up someone misspelled now and spelled know.

#11

Thanks for the resource! I’m having trouble toggling the FootPlanting in the configuration, in a separate script I’ve tried to require the module and make a path to this setting but it keeps throwing errors. As a solution I’ve tried disabling the entire module on and off, which doesn’t seem to work that great. I’ve googled it and watched a couple videos but I can’t seem to change this “FootPlanting” variable from other scripts. Maybe I’m just being stupid? I’m an amateur scripter, I apologize.

#12

Update: I was requiring a module from a module, sill me. I’ve managed to toggle the FootPlanting variable, but the foot planting is still on regardless? Not sure at this point.