Advanced Flock System

Fish react to any primitive objects with a collision of any complexity and react on any pawn or characters. This plugin uses multithreading.

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  • Supported Platforms
  • Supported Engine Versions
    4.25 - 4.27, 5.0 - 5.4
  • Download Type
    Engine Plugin
    This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.

Advanced Flock System Is suitable for creating a simulation of a fish herd.

Demo Video, Video2 - Uses Tropical Fish asset.

Free support for our products in Discord.

Update 1.3.4

+ Fixed issue with different speeds for different number of instances. The animation is now smoother.

+ Small optimization.

Update 1.3 Video

+ New optimization +40% performance (10.000 fish 120+ FPS)

+ Fish can attack the player.

+ Added a piranha with animated material.

Update 1.2 Video - The flock fishes can now follow any actor.

Comparison with Advanced Fly Insects System and Advanced Insects System on Link Google Doc


Easy use! This plugin uses multithreading.

Fish can move in Box or a free-range. Fish react to any primitive objects with a collision of any complexity and react on any pawn or characters.

The core code is realized by C++. The main thread only move instances. In the background, threads calculate all logic flock system for more FPS.

It has a large number of different settings so that you can achieve the desired effect.

Technical Details


  • 5000 fish instances 120+ FPS. 20000 fish instances 50-60 FPS on AMD Ryzen 5 2700x.
  • You can select the desired number of threads and the number of fish instances!
  •  One C++ class
  •  Two actor blueprint
  •  3 Fish static mesh
  • 1 Aquarium static mesh
  • 3 Materials for fish with animation wings
  • Texture Resolutions 1024x1024
  • One BP class Pawn for testing
  • Doesn't require knowledge of C ++

Code Modules:

  •  AdvancedFlockSystem (Type: Runtime)

Number of Blueprints: 2

Number of C++ Classes: 1

Network Replicated: No

Supported Development Platforms: Win64

Supported Target Build Platforms: Win64

Documentation: GoogleDoc link, Discord

Example Project: Included

Important/Additional Notes: No