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I spent 3 months building an AI motion tool so creators d...
yesanson · 2026-05-18 · via DEV Community

Let me be honest for a second.

I don't have a team. I don't have a research lab. I don't have a mocap suit hanging in my closet (I wish).

I'm just a builder who got really, really tired of watching creators give up on cool ideas because the tools were too painful.

That's why I built Motion Control AI .
AI Motion Control preview

The three words that started everything
A while ago, someone asked me: "Can you make my character do this dance?"
They sent me a 15-second video of a person moving naturally. Nothing fancy.

I said: "Yes, but..."

● You'll need to extract poses
● Then find a model that does transfer
● Then hope the expressions carry over
● Then render it locally unless you want to pay per second
● Then fix the jitter frame by frame
● Then...

They just looked at me.
I stopped saying "but" after that day.
What it actually does (in plain English)
Upload a reference video. Upload a character image. Hit a button.

The AI copies:
● Body motion rhythm and timing
● Facial expressions + lip sync
● Camera movement

That's the whole pitch. No nodes. No Python. No "please install CUDA."
The part nobody warned me about
Everyone thinks building AI tools is about the models.

Kling 3.0. Kling 2.6. Wan 2.2 Animate / Replace. Seedance 2.0. I integrated all of them so you don't need five separate accounts.
But you know what I actually lost sleep over?

Queue management.
I'm serious. I sat at 2 AM staring at a queue system thinking: "If this breaks, someone's 7-minute render dies and they will never trust me again."

Also:
● Prompt reuse (because retyping is a form of slow violence)
● Consistent exports (so you can iterate without screaming)
● Graceful failure messages (instead of a blank white screen of despair)
These things don't sound sexy. But they're the difference between a tool and a toy.

The use cases that made me emotional
I started seeing people use this for things I never imagined:
● A VTuber making their model react to horror games – real-time fear in the eyes
● An indie animator who couldn't afford a studio, now making music videos solo
● A teacher using it to make historical figures "dance" for a class (students lost their minds)
● Someone's D&D character doing the floss, as mentioned – but honestly? That one made me laugh out loud
One user wrote: "I showed my mom. She didn't know it was AI. That's when I knew."

I almost cried.

What still sucks (and I'm not hiding it)

I could pretend everything works perfectly. But you're builders too. You know better.

Still hard:
● Occlusion-heavy scenes (two people hugging? AI gets confused about whose arm is whose)
● Multi-person interaction consistency (group choreography is a nightmare)
● Extremely fast camera motion
● Long videos drifting off into uncanny valley
● Fine hand/finger accuracy in some models (pianos are currently out of reach)

I fix one of these every week. Slowly. Like turning a big ship.

What I genuinely don't know yet
I'm posting here because I need real answers, not validation:

  1. Output quality – Compared to what you're using now, is this better, worse, or "interesting but not there yet"?
  2. All-in-one interface – Do creators actually want this? Or do you prefer picking best-of-breed models yourself?
  3. Pricing – What number makes you say "that's reasonable" vs "that's insulting"? Be honest. I have thick skin.
  4. Missing controls – What slider, mask, or knob do you wish existed? I'll build the top request.

Why I'm still doing this
Some days I ask myself: "Why didn't you just build another SaaS dashboard? It would have been so much easier."
But then I get an email. Or a DM. Or someone tags me in a video where their character finally, finally moves the way they imagined.
And I remember.

I built this because creativity shouldn't feel like debugging.
If you want to see what I've been obsessing over: motioncontrol.media
Motion Control AI

Try it. Break it. Love it. Hate it. Just tell me.
I'll be here reading everything.
– Someone who still believes simple tools can change how people make things