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Spatial Query System

CGPath - Code Plugins - Jun 24, 2024

Fast system for finding all/nearest/farthest/random actors in a specific area

  • Supported Platforms
  • Supported Engine Versions
    5.2 - 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.

What if you need to quickly find the nearest, farthest, or random actors in a specific area, or create a trigger zone? - This system helps you!

At the core of the Spatial Query System lies a simplified collision detection system, utilizing spatial accelerators such as a 3D Spatial Hash Grid or Bounding Volume Hierarchy.


YouTube video | Documentation | Example Build Project (Windows)


  • Fast finding the nearest, farthest, or random actor in a given area
  • Quickly determines an actor's position, direction, and distance in a given area
  • Uses simplified forms to define Query Shapes (Point, Sphere, Box, Capsule) and Query Action (Sphere, Box, Sector)
  • Uses multithreading for updates and queries
  • Uses SIMD optimizations to improve simplified collision detection
  • For each check, the System has corresponding functions and their asynchronous analogs
  • Additional search filters, based on Gameplay Tag or a parameters setup (movement state, shape type)

Technical Details

Code Modules:

  •  SpatialQuerySystemEditor (Editor)
  •  SpatialQuerySystemPlugin (Runtime)


Number of C++ Classes: 10

Network Replicated: possibility of separate functionality Server/Client

Supported Development Platforms: Windows

Supported Target Build Platforms: Windows

Documentation: Link

Example Project: Link

Simple setup playlist: Link