Police AI

flux - Blueprints - Mar 19, 2023

Police AI vehicles with patrol and chase mode including a full AI traffic system.

  • Supported Platforms
  • Supported Engine Versions
    5.0 - 5.4
  • Download Type
    Complete Project
    This product contains a full Unreal Engine project folder, complete with Config files, Content files and .uproject file, which can be used as a template to create a new project.

Preview Video: https://www.youtube.com/watch?v=DT0G8-EdltM

Demo (Windows): https://drive.google.com/file/d/1L4wqMcaP9FQoQPb8YdsX4F5tcaUUvdiS/view?usp=sharing

Documentation: https://drive.google.com/file/d/18_0NF24hL0uDFoMnq1EY4fzShcBqR6ZL/view?usp=sharing

The Police AI has the ability to patrol, chase and trace the player while dodging traffic vehicles. This asset features a complete traffic system with AI vehicles and traffic light crossings.

Police AI Abilities:

  • Calculate throttle, brake and steering
  • Patrol mode (obeying the traffic laws)
  • Chase mode (following the player from any place via trace inside of any type of city, freeway, and highway)
  • Dodge traffic vehicles while following the player
  • Start chase if player collides with Police AI
  • Spawning based on wanted levels
  • Reverse out if blocked


  • Police AI spawn rate based on wanted level
  • AI traffic vehicles (police/sedan/truck/van)
  • Traffic light crossings including light sequence function
  • Police siren light and sound function (replaceable sound files)
  • RPM based engine sound function (replaceable sound file)
  • Collision sound effect function based on impact velocity (replaceable sound file)
  • Third person and first person (cockpit view) with movable camera
  • Vehicle light functions (functional reverse and brake lights for all vehicles)

Police AI Customizability:

  • Customizable wanted levels and max AI spawn amount
  • Customizable throttle intensity for patrol or chase mode
  • Customizable player trace length and detection distance
  • Full vehicle customizability (frame, wheels, interior, suspension and engine setup)
  • Variable update interval for Police AI actors (blueprint performance)

Traffic AI Customizability:

  • Customizable speed limit in MPH
  • Customizable throttle intensity for AI vehicles
  • Customizable traffic light sequence in seconds
  • Full vehicle customizability (frame, wheels, interior, suspension and engine setup)
  • Variable update interval for AI traffic actors (blueprint performance)


  • Police AI blueprint
  • Player wanted level UI
  • Chased vehicle trace blueprint
  • Traffic AI system including AI vehicles and traffic light crossings
  • Police siren sound blueprint (including transformed audio files 1 & 2 licensed under CC0 1.0 free commerical use)
  • Engine sound blueprint (including transformed audio file licensed under CC0 1.0 free commerical use)
  • Velocity based impact sound blueprint (city sample sounds)
  • Spline mesh populating tool
  • Low poly city blockout

Technical Details

  • Customizable Police AI wanted levels and driving performance
  • Designable AI traffic roads for any terrain (closed loops)
  • No max AI actor count
  • Features City Sample Vehicles
  • City Sample Vehicles' complex meshes not supported on mobile versions (view Chapter 1.3 inside the documentation for quick and easy vehicle mesh replacement)
  • This product supports chaos physics, nanite, and lumen for Unreal Engine 5.0+ Versions
  • This product requires the chaos plugin in order to function properly
  • Chaos plugin and nanite only enabled for vehicles