tutorial.md

Tutorial

Build kd-tree and do 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.

Use asynchronous version

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.