How to Animate an Irex Walk Cycle in Autodesk Maya

Master dinosaur locomotion, weight shifts, tail balance, blocking and spline polish in a production-style Maya workflow

Created byJonathan Symmonds

Last updated 3/2026

English

What you'll learn

Build a realistic Irex walk cycle in Autodesk Maya using structured blocking and spline refinement workflows.
Animate convincing dinosaur weight shifts, hip drive, tail counterbalance, and predator rhythm.
Refine animation curves for clean, professional spline motion suitable for showreel presentation.
Create a seamless loop-ready creature animation using production-style animation principles.
Analyze hybrid theropod biomechanics to avoid floaty or mechanically incorrect movement.

Course content

5 sections • 5 lectures • 3h 15m total length

Introduction0:53
Overview of the project, final result, and what makes theropod locomotion unique.

Blocking the Walk Cycle59:35
In this lesson, we begin blocking the Irex walk cycle in stepped mode inside Autodesk Maya. You’ll focus on establishing strong contact, down, passing, and up poses while maintaining believable weight shifts and forward drive.
We carefully construct the foundation of the animation, ensuring the hips, torso, and legs support proper theropod balance. Emphasis is placed on timing, spacing, and maintaining a clear silhouette.
Blocking is where the quality of the animation is decided. This structured approach prevents floaty movement and mechanical stiffness later in spline refinement.

Upper Body, Spine & Tail Animation52:43
This section focuses on adding believable upper-body motion and tail mechanics to support the Irex’s massive weight and momentum.
You will animate spine overlap, subtle torso rotation, and predator posture while ensuring the tail reacts naturally to each step. Proper tail counterbalance is essential in large dinosaur animation to prevent instability or artificial movement.
We also refine body mechanics to maintain forward energy and remove stiffness introduced during the blocking phase.
By the end of this lesson, your Irex walk will feel grounded, heavy, and dynamically balanced.

Fine Tuning the Walk Cycle56:37
In this lesson, we transition from blocking to refinement inside Autodesk Maya. You’ll adjust animation curves, smooth transitions, and eliminate mechanical pops.
We refine timing, polish arcs, and adjust secondary motion to create a more natural predator rhythm. Small details such as torso compression, head stabilization, and weight settling dramatically improve realism.
This stage transforms the animation from functional blocking of the Irex into believable creature performance suitable for professional showreels.

Finishing Touches & Presentation Polish25:40
The final section focuses on spline polish and presentation refinement. You will clean animation curves, correct foot sliding, refine arc consistency, and ensure seamless looping.
We address common spline mistakes that weaken creature animation and apply final adjustments to achieve professional-level smoothness.
By the end of this lesson, you will have a polished Irex walk cycle ready for inclusion in your demo reel, portfolio, or VFX animation showcase.

Requirements

Basic familiarity with Autodesk Maya interface and keyframing
Understanding of basic animation principles (timing, spacing, weight)
Maya 2019 or newer recommended
A computer capable of running Maya smoothly

Description

If you want to animate convincing dinosaur locomotion in Autodesk Maya, this course will teach you how to build a powerful Irex walk cycle from start to finish using a structured professional workflow.

Animating a large theropod is very different from animating a quadruped. The Irex combines predator weight, forward momentum, heavy tail counterbalance, and hybrid anatomical structure. Without proper planning, the walk will feel floaty, disconnected, or mechanically wrong. Creature animation is a unique skill to master and who better to teach it than the former creature animation specialist who worked as the Lead animator on the Game of Thrones.

In this course, you’ll learn how to approach dinosaur animation with clarity and control.

We begin with reference analysis and understanding hybrid biomechanics. From there, you’ll block the entire walk cycle in stepped mode, focusing on contact poses, weight shifts, hip drive, and balance.

You will then move through:

• Blocking strong contact and passing positions
• Establishing believable weight and ground interaction
• Animating hips, spine, and tail counterbalance
• Controlling head rhythm and predator intent
• Refining animation curves for clean spline motion
• Polishing arcs and removing mechanical stiffness
• Preparing a loop-ready final result suitable for your demo reel

This course focuses on clarity, control, and production workflow — not shortcuts.

By the end, you will have a polished dinosaur walk cycle that demonstrates advanced creature animation fundamentals and strengthens your showreel for VFX, film, or game development.

Who this course is for:

Intermediate Maya animators who want to improve creature animation skills
Students building a VFX, film, or game animation showreel
Animators looking to master dinosaur and large theropod locomotion
Creature artists who want a structured, production-style workflow
Anyone serious about improving biomechanical animation accuracy

How to Animate an Irex Walk Cycle in Autodesk Maya

What you'll learn

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Course content

Introduction1 lecture • 1min

Blocking the Foundation1 lecture • 1hr

Upper Body & Tail Mechanics1 lecture • 53min

Refinement & Secondary Motion1 lecture • 57min

Final Polish & Presentation1 lecture • 26min

Requirements

Description

Who this course is for: