Asset Version：1.3.4 - 1.3.7 Engine version: 4.25 - 4.27,5.3,5.5

High-Performance Underwater AI Simulation

The Advanced Flock System – Multithreaded Fish AI and Reactive School Behavior is a powerful solution for creators building aquatic environments. This high-performance system allows for the simulation of realistic fish schools with minimal impact on game performance. By utilizing background threading, the system ensures that the core logic does not bottleneck the main game thread. Consequently, developers can populate their scenes with thousands of interactive entities without sacrificing stability.

Dynamic Movement and Reactive Behavior

The system supports both free and bounded movement. Users can let fish swim in open water or restrict them to a defined box area. Furthermore, the AI features reactive behavior, allowing schools to avoid obstacles and collide with primitives, pawns, or characters. Additionally, schools can be configured to follow specific actors or even exhibit aggressive attack behaviors toward players. Therefore, the environment feels more alive and interactive for the user.

Key Features of the Flock System:

Multithreaded Logic: Background processing keeps the main thread focused on rendering instances.
Collision Awareness: Intelligent obstacle avoidance for characters and scene geometry.
Flexible Movement: Choose between open-water swimming or bounded box areas.
Follow and Attack: Configure schools to track actors or engage in player-focused attacks.

Optimization and Customization

Performance remains a primary focus for this tool. For instance, the developer demonstrates that the system can handle up to 10,000 fish at 120+ FPS on specific hardware. Moreover, the animation remains consistent across different instance counts, ensuring smooth motion at all times. However, results may vary depending on the specific project requirements. Users can also fine-tune parameters like school size, turn responsiveness, and interaction sensitivity to suit their specific project needs.

Simple Integration and Proven Reliability

Integration is straightforward and designed to work with your existing meshes and scene settings. The creator brings over seven years of experience in Unreal Engine development to this project. Their work has been featured in the Epic Games Showcase, reflecting a commitment to quality. Regular updates are provided, and many features are implemented directly from community feedback. In conclusion, the Advanced Flock System – Multithreaded Fish AI and Reactive School Behavior provides a robust, optimized, and flexible framework for any aquatic simulation.