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Hair Effects in Trolls World Tour

Nick Augello, Michael Juarez, Kelly Shay, Arunachalam Somasundaram

DigiProDreamWorks0 citesCFX

Production techniques for a wide range of passive and active hair effects across diverse musical troll tribes in Trolls World Tour.

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Abstract

The world of hair in DreamWorks’ film Trolls World Tour got much bigger than in the first film Trolls [Missey et al. 2017]. The distinct musical genre that each Troll tribe was devoted to influenced their hair design and movement. The wide variety of hair effects, both passive and active, exhibited by the Trolls in various environments and situations, provided interesting challenges. This talk presents the techniques used to bring that expansive world of hair to life.

How to read this

Category: Production talk: hair effects breakdown
Contributions: Presents techniques for a wide variety of passive and active hair effects in Trolls World Tour
Shows how each Troll tribe's musical genre shaped its hair design and movement
Discusses meeting the challenges of diverse hair behavior across many environments and situations
Context: A sequel-driven escalation of the hair work from the first Trolls film, connected to DreamWorks fur-motion tooling such as the Skunk fur motion system.Builds on: Skunk: DreamWorks Fur Motion System
Correctness: Studio practice, not peer-reviewed; results are production-proven and art-directed for a stylized film, so methods are tuned to that look rather than offered as general algorithms.
Clarity: Accessible; a single pass conveys the effects and the design-driven approach.
How to read it: Read once for the catalogue of stylized hair effects and the genre-to-motion mapping; revisit specific effects only if you face a similar art-directed hair challenge.

Builds on

Skunk: DreamWorks Fur Motion System 2019

Built upon by

Nothing yet.

Related work

Skunk: DreamWorks Fur Motion System 2019 / DigiPro
Hair Emoting with Style Guides in Turning Red 2022 / SIGGRAPH
XGen: Arbitrary Primitive Generator 2003 / SIGGRAPH
Hummingbird: DreamWorks Feather System 2019 / SIGGRAPH

Keywords

hair fur grooming hair simulation collision detection procedural wind character effects screen space sketching drawover camera-based screen sculpting secondary motion curve jiggle cloth solver interpolation control styler hair stylers willow skunk whip solver

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