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All Projects → nutti → UE4-Kdtree

nutti / UE4-Kdtree

Licence: MIT License
UE4 Plugin: k-d tree

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kd-treeue4ue4-pluginue4-pluginsue4-blueprint

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UE4 Plugin: kd-tree

This is a UE4 plugin to provide utility functions for building kd-tree as Blueprint Function Library.

Supported Environment

This plugin is tested on the below environment.

  • UE4 Version: 4.22
  • OS: Windows/Mac

Installation

1. Download source code

Download whole project's source code from GitHub and unzip it.

2. Move the plugin

Move the plugin folder (Kdtree directory) into the "Plugins" directory in your UE4 project folder.

3. (re-) Generate project files

Generate project files (for example with RMouseButton on the *.uproject) for Visual Studio (Windows) or XCode (Mac).

4. Build

Build the project.

5. Launch UE4 editor and enable the plugin

Launch .uproject file and enable the plugin via Settings > Plugins > Project > Other > kd-tree.

Features / Tutorials

Build kdtree and radius search

  1. Build Kdtree builds a kd-tree (Kdtree object in Blueprint) from Vector objects.
    • Dump Kdtree to Console outputs the internal information of Kdtree object to the console for debugging.
    • Validate Kdtree checks the Kdtree object and halts the game play if there is a incorrect in it.
  2. Collect from Kdtree collects Vector objects in the sphere (center location is Center, radius is Radius). Collect from Kdtree also returns indicies of list that is input argument of Build Kdtree.
  3. If you don't use Kdtree any more, you can destroy Kdtree object and free memories by Clear Kdtree.

Build kdtree and radius search (Async version)

Async version is also provided by this plugin.

  1. Build Kdtree Async is an asynchronous version of Build Kdtree.
    • All synchronous versions (Collect from Kdtree, Dump Kdtree to Console, Validate Kdtree and Clear Kdtree) can be applicatable to Kdtree object after Build Kdtree Async is completed.
  2. Collect from Kdtree Async is an asynchronous version of Collect from Kdtree.

Change Log

See CHANGELOG.md

Project Authors

Owner

@nutti

Indie Game/Application Developer.
Especially, I spend most time to improve Blender and Unreal Game Engine via providing the extensions.

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Contributor

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