Menu
Workshop

Introduction to Massive Prime

A Workshop
by Reza Ghobadinic

Crowd Simulation Techniques with Reza Ghobadinic

intermediate
11h 14m
19 Lessons
A Workshop
by Reza Ghobadinic
Get Started
Subscribe

Your comprehensive introduction to Massive Prime has arrived. Head of Crowd/FX TD, Reza Ghobadinic, demonstrates all the key aspects of working with Massive Prime software in this detailed workshop, sharing with you his industry-proven tips and tricks for producing credible crowd simulations suitable for film and TV productions.


During the course of 11 hours of instruction, Reza covers everything you need to know, from the basics of the interface, through to many more advanced topics that are essential to grasping the fundamentals of Massive Prime. Lessons detail how to create agents from scratch including how to gradually add features that will improve their behavior, and discuss the importance of designing the brain in an organized and systematic manner, as used in feature film production. Reza also lectures on how to create a biped crowd agent from a skinned rig and edit animation clips to use for your agent, as well as how to complete it with a dynamic explosion simulation scene.


This essential introduction provides the fundamental knowledge needed to create, test, and render impressive crowd simulations with Massive Prime.

19 Lessons

01IntroductionFree

This workshop by Reza Ghobadinic establishes the foundational knowledge needed to begin working in Massive software. Reza introduces the six core pages and their functions provides the framework for creating crowd simulations. Reza emphasizes the importance of proper project organization and keeping the manual handy to look up technical details used in future lessons.

Duration: 13m 32s

Introduction
02SceneFree

This lesson lays essential groundwork for working in Massive by covering proper scene organization, file management, and basic animation techniques. Artists learn that all Massive files are text-based and manually editable, which is crucial for troubleshooting and workflow efficiency. This separate save system for different scene elements offers flexibility for team-based workflows in larger studios.

Duration: 42m

Scene
03Agent Basics

In this lesson, artists will learn the fundamentals for creating custom agents in Massive, with a focus on proper joint hierarchy, geometry organization, and variable-based randomization. Reza creates a reusable template for future lessons by establishing a base agent with modular components. This workflow demonstrates how the node-based system allows for flexible character creation and efficient control over large crowds.

Duration: 52m 9s

Agent Basics
Unlock lesson
04Brain Basics — Part 01

This lesson shows how to create intelligent agent behaviors through visual node-based programming. Artists learn to combine eight node types with regular and alt connections to create complex, randomized behaviors without traditional scripting. This fuzzy logic approach allows for nuanced variations, moving beyond binary decision-making to create realistic simulations.

Duration: 40m 22s

Brain Basics — Part 01
Unlock lesson
05Brain Basics — Part 02

This lesson goes over the techniques for creating sophisticated, modular agents in Massive. Reza organizes logic into reusable modules with exposed parameters to ensure the workflow remains scalable as complexity increases. Upcoming topics such as crowd containment and vision-based obstacle avoidance are introduced to build toward a complete crowd simulation system.

Duration: 33m 4s

Brain Basics — Part 02
Unlock lesson
06Sound

Sound-based agent control is an effective way to add spatial awareness and collision avoidance in multi-agent simulations. Artists learn to structure logic modules accounting for distance and direction so agents can maintain boundaries naturally. This approach illustrates core principles that can be expanded for more complex behaviors through the fine-tuning of parameters.

Duration: 55m 39s

Sound
Unlock lesson
07Agent Field

Agent fields provide a powerful and scalable method for creating realistic crowd behaviors in Massive. Reza demonstrates replacing a legacy sound-based system with a cleaner agent field implementation for more polished results. While production work requires additional refinement, this setup provides a strong foundation for professional-quality simulations.

Duration: 21m 6s

Agent Field
Unlock lesson
08Vision

Vision-based obstacle avoidance gives agents the spatial awareness they need to navigate around geometry in a scene, though at a computational cost. Artists learn to adjust detection parameters and color filters to create realistic avoidance while maintaining performance control. This technique is particularly valuable for dynamic pathfinding in complex environments.

Duration: 17m 52s

Vision
Unlock lesson
09Terrain Adaptation and Color

This lesson presents an alternative to vision-based navigation by leveraging terrain color channels and gradient detection. Reza shows how painting colored regions on terrain allows agents to intelligently avoid obstacles and respond to the environment. This approach offers better performance than vision systems while maintaining effective navigation.

Duration: 40m 16s

Terrain Adaptation and Color
Unlock lesson
10Flow Field and Lane

In this lesson, artists learn about two path-following systems in Massive, each suited for different scenarios. Flow fields work well for terrain-based movement, while lanes provide flexibility for complex traffic or aerial paths. Adding controlled randomness through noise parameters prevents unrealistic clustering and creates organic variation in agent behavior.

Duration: 57m 15s

Flow Field and Lane
Unlock lesson
11Spawn and Collide

This lesson provides essential techniques for creating interactive agent behaviors involving spawning, collision detection, and conditional actions. Reza demonstrates how combining timers and agent fields allows for the efficient creation of complex combat simulations. Libraries and the pilot buffer are used to manage larger projects and maintain consistent behaviors.

Duration: 36m 14s

Spawn and Collide
Unlock lesson
12Cloth and Hair

This lesson demonstrates a workflow for adding realistic cloth and hair elements to Massive agents while maintaining production efficiency. Artists learn to use multi-pass rendering and file optimization to reduce file count and rendering time.

Duration: 43m 11s

Cloth and Hair
Unlock lesson
13Agent from Rigs

This lesson creates a versatile character agent in Massive by combining multiple asset sources and using the software's variable system. Reza demonstrates how to build a single agent representing many different character appearances by setting up skeleton structures and geometry nodes.

Duration: 37m 42s

Agent from Rigs
Unlock lesson
14Actions and Motion Trees — Part 01

This lesson dives into a workflow for integrating professional motion capture data into animated agents. Artists learn to manage timing and transition curves to achieve smooth, realistic character movement. Proper configuration of agent curves and motion trees enables the creation of sophisticated animation systems with interconnected states.

Duration: 33m 19s

Actions and Motion Trees — Part 01
Unlock lesson
15Actions and Motion Trees — Part 02

This lesson demonstrates advanced crowd animation techniques in Massive, showing how to transform repetitive movements into natural-looking crowd behavior. Reza provides insights into layering randomization techniques, such as phase offsets and rate variations, to create believable diversity. The result is a realistic simulation that avoids the look of basic repeated animations.

Duration: 44m 14s

Actions and Motion Trees — Part 02
Unlock lesson
16Foot Locking IK

Setting up proper IK for character feet is an important step for creating realistic walk cycles in Massive. Artists learn to configure joint hierarchies and timing adjustments to use hold curves for foot locking. Terrain adaptation features are also utilized to ensure characters navigate uneven surfaces convincingly.

Duration: 28m 37s

Foot Locking IK
Unlock lesson
17Dynamic Ragdolls — Part 01

In this lesson, artists will learn the fundamentals for creating realistic, physics-based character reactions to explosions in 3D animation. Reza shows that success lies in a meticulous setup phase, in which joint shapes and physics parameters are configured before simulation. These realistic ragdoll effects significantly enhance the believability of explosion scenes in animation projects.

Duration: 36m 18s

Dynamic Ragdolls — Part 01
Unlock lesson
18Dynamic Ragdolls — Part 02

This lesson gives a comprehensive workflow for creating believable, dynamic ragdoll simulations with explosion forces in 3D animation. Artists learn to balance force calculations and optimize performance by deactivating the conditional agent. Following these steps allows animators to create realistic crowd responses to environmental forces while maintaining efficiency.

Duration: 28m

Dynamic Ragdolls — Part 02
Unlock lesson
19Rendering

By the end of this workshop, artists will have essential knowledge to render massive crowd simulations using various tools. Reza highlights that while the Velocity renderer offers speed, its flexibility in exporting to other renderers makes Massive adaptable to any pipeline. This foundation enables independent learning through continued experimentation.

Duration: 13m 10s

Rendering
Unlock lesson

Primary tools

For this workshop you’ll need:

Massive

* Note that these programs and materials will not be supplied with the course.

Skills Covered

Who’s this Workshop for?

This workshop is designed for VFX artists, crowd TDs, and CG generalists who want to build a strong foundation in Massive Prime for film and television production. It is well suited for artists who are new to Massive Prime, as well as those transitioning from other crowd simulation tools and looking to understand industry-standard workflows.


Technical directors, effects artists, and animation supervisors working in studio environments will also benefit from this training. Artists responsible for large-scale simulations who need reliable, organized systems for crowd behavior, animation, and rendering will gain practical knowledge applicable to real production scenarios.

Learning Outcomes

By completing this workshop, artists will gain a solid understanding of how to create, manage, and render professional crowd simulations using Massive Prime.


Key skills include:

  • How to navigate Massive Prime’s interface and understand its core concepts and workflow.
  • How to create crowd agents from the ground up with structured, scalable brain systems.
  • How to design and organize agent behaviors for believable, production-ready simulations.
  • How to build biped crowd agents using existing skinned character rigs.
  • How to prepare, edit, and integrate animation clips for use in crowd systems.
  • How to test and iterate on crowd simulations to ensure stability and visual credibility.
  • How to integrate crowd agents into dynamic scenarios, including interaction with explosion simulations.

Get Started
Subscribe
Workshop
Introduction to Massive Prime
Crowd Simulation Techniques with Reza Ghobadinic
A Workshop by Reza GhobadinicHead Of Crowd / Fx Technical Director at Framestore
intermediate
11h 13m
19 Lessons
Tools
Instructor Reza GhobadinicHead Of Crowd / Fx Technical Director at Framestore

Reza Ghobadinic is a seasoned visual effects professional specializing in crowd simulation and FX. With a background in computer science, he began his career as a self-taught 3D generalist in the mid-1990s. His technical acumen led him to focus on FX and crowd dynamics, areas where he could leverage his programming skills.


Over the past 15 years, Reza has contributed to numerous high-profile films, including Happy Feet, Avatar, Sucker Punch, Walking with Dinosaurs 3D, The Lego Movie, Dracula Untold, and Mary Poppins Returns. His expertise has been instrumental in bringing complex crowd scenes to life, enhancing the realism and scale of cinematic experiences.


Currently, he serves as the Global Head of the Crowd Department at Framestore's film division, overseeing teams in London and Montreal. In this role, he supervises crowd teams on various film projects, ensuring the seamless integration of crowd elements into visual narratives.

View profile
Frequently asked questions
Everything you need to know about the Gnomon Workshop
All subscriptions gain you unlimited access to our entire training library of 350+ tutorials with 1000+ hours of training. Watch as many as you like - there are no limits.
A Team License is suitable for any team of 2 or more artists working for a company or attending an educational institution. Licenses can be scaled to accommodate hundreds, or even thousands, of artists or students across multiple groups, teams, or departments.

Learn more about our plans available for Studios here.

Learn more about our School plan options here.
Yes! Whether you’re looking to gift 1 month of The Gnomon Workshop, or would like to gift 3, 6, or 12 months, we’ve got you covered. Just head to https://thegnomonworkshop.com/gift, select your preferred quantity, and your recipient will receive an email notification with their gift card and instructions for how to claim their gift. You’ll also receive a receipt for your purchase by email.
If you have questions, please contact us.
The best way to contact us is via our Contact Form, Emails are responded to on a daily basis, Monday-Friday.
Watch this workshop and hundreds more
Unlimited access to every workshop
Taught by industry leaders & working professionals(1500+ hours of professional training)
Project files available for selected titles
Learn at your own pace
Get Started
Subscribe