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Turbo Sequence Overview

Turbo Sequence is built to support a modern way to render Skeletal Meshes. It's using GPU Instancing with Niagara to manage draw calls efficiently, which is mostly the bottleneck of traditional rendering systems. Turbo Sequence is using bones to animate the meshes, which allow IK and layer mask blending per Bone.

A Crowd

What is Turbo Sequence

Turbo Sequence is a Plugin for Unreal Engine 5 which is Open Source with an MIT License. The advantage of using Turbo Sequence over VATs is that Turbo Sequence uses bone joint bending instead of pre-computed animations, which allows runtime bone joint bending like IK or Sockets. Turbo Sequence is trying to use Draw-Calls per archetype efficiently and not per instance, which has an advantage compared to traditional rendering methods.

Traditional Rendering:

CPU       GPU
         |
         v
Instance 1 (Mesh data 1) -> Draw call
         |                      |
         v                      v
Instance 2 (Mesh data 2) -> Draw call
         |                      |
         v                      v
Instance N (Mesh data N) -> Draw call

GPU Instancing

CPU       GPU
         |
         v
Base mesh data -> Draw call
                  | (all instances combined)
                  v
                  Rendered instances

TS is optimized for crowds around 10k - 50k, if you need more units, use VATs, Turbo Sequence is built to combine Animation Quality with Modern Rendering which means it is just as fast as the Quality of Bone joint bending allows it.

Nanite

In UE 5.5 Nanite Skeletal Meshes are here, before using Turbo Sequence, UEs Skeletal Mesh system for crowds can be a good option when using Nanite.

Features

Playing Animations
Stop Animation
Get IK Transform
Set IK Transform
Tweak Animation ( Speed, Weight, Start/End Transition )
Most Possible Skeleton Rig Support without Bugs
Blend Spaces
Switch Material
Switch Mesh
Editor UI
Windows Support
Linux Support
Dynamic Chunked Async Animation Loading
Get Socket Transform
Get Animation Curves
Root Motion
Animation Layer Masks Per Bone
Optimization: Smart Vertex iterations on the Material
Optimization: Update Groups
Smooth, Flat Normals
Level Of Details
Multi-Mesh-Character Animations
Blueprint Support
Hybrid Animation Mode between the UE System and the TS System
Add Instances
Remove instances
Per Instance Custom Data

Limits

Blueprint-only projects are not supported.
A Blueprint API Exists, but I highly recommend using the C++ API because it's so much faster.
Only Windows and Linux are supported, Not IOS and Android or Mac.

Turbo Sequence is not built to handle metahumans, please use UE Nanite Skeletal Meshes instead.

Quick Start Guide

Download Turbo Sequence
Install Turbo Sequence in your UE project in the Plugin Folder
Open the Feature Demo Map and press Play
Navigate to the Wiki to get started with the API

Download Turbo Sequence:

Navigate to the Releases and download the source of your Unreal Engine Version

Install Turbo Sequence:

Extract the TS Release on your Computer
Copy the extracted Root folder to the Plugin folder of your Games UE project ( Not in the Engine ).
Compile the Project and open it in Unreal Engine

Demo

Inside Unreal Engine, navigate to ..\Plugins\TurboSequence\Content\Demo and play through the demos; there is no additional setup required.

Docs

The official documentation and API can be found here:

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Support and Responsibility

Turbo Sequence is a Hobby Project, nothing commercial behind the Repo, the Contributors are not responsible for solving bugs for users of Turbo Sequence, features may or may not come; if you really need a specific feature, please fork the Repo and build your own system on top of it; and optional create a pull request if you really think it should be part of the original Turbo Sequence Repo.

If you encounter a bug, create an issue and when I have the time, I try to respond to it.

Contribution

Contributions are welcome; if you want to contribute, Fork the Repo, create an Exp Branch, and create a Pull Request from the Exp Branch. Pull requests need to be reviewed to maintain the quality standards of this Repo in terms of runtime performance and the UE Coding Standards.