THREE.JS / FOUNDATIONS 41

Measure the hierarchy.

Compare the official triangle Octree with an external mesh BVH and the unaccelerated Raycaster on the same terrain.

query path

terrain segments 160

probe count 24

BVH leaf target 10

sphere radius 1.6

build BVH in worker show hierarchy helpers animate probes

Initializing

Renderer

Starting the terrain, Octree, and BVH.

Run a query to compare the broad phase and exact triangle work.

Drag to orbit · press R to reset · change settings then rebuild