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How to use the Motionbuilder STORY to IMPROVE your WORKFLOW

Matt Courtois

MotionBuilderIndustrialMotion SynthesisRetargeting

Technical tour of MotionBuilder's Story Tool as a non-linear mocap editor, covering clip blending, pose library, track management, and the workflow advantages for real-time motion editing and cut-scene assembly.

Abstract

This technical tour demonstrates MotionBuilder's Story tool as a non-linear mocap editor across several practical use cases. It shows retiming whole takes or fragments via the scale function and razor cuts (including slow-motion on hit reactions and attacks), repositioning clips with the ghost manipulator to align animation to the world axes or to geometry, and using the reverse time-warp to mirror a strafe motion. The presenter then stitches clips into longer sequences across multiple character tracks, blending between a run and a combo swing by keying track weight and using pass-through so lower tracks let content flow from takes above. It finishes with layering a Mixamo rhino hit reaction reacting to the samurai strike, plotting both characters to a new take, and exporting Story clips for reuse as an animation library across other FBX files.

How to read this

Category
Production talk: MotionBuilder Story tool as a non-linear mocap editor
Contributions
  • Demonstrates retiming whole takes or fragments via the scale function and razor cuts, including slow-motion on hit reactions
  • Shows repositioning clips with the ghost manipulator and a reverse time-warp to mirror motion, then stitching clips across multiple character tracks with weight keying and pass-through blending
  • Layers a Mixamo rhino hit reaction onto a samurai strike, plots both characters to a new take, and exports Story clips as a reusable animation library across FBX files
Context
A practical workflow tour of MotionBuilder's Story tool for non-linear mocap editing and cut-scene assembly; no academic lineage, it builds on standard MotionBuilder practice.
Correctness
Studio/tool practice, not peer-reviewed; the techniques are demonstrated workflows shown to work in the tool rather than validated results.
Clarity
Highly accessible and hands-on; a single watch conveys the techniques.
How to read it
Watch once with MotionBuilder open and follow along on a sample take; revisit specific segments (blending, time-warp, export) only as needed for your own edits.

Related work

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