I’m really confused about how frustumCulling is supposed to work with InstancedMeshes. My initial assumption was that I could manually compute a bounding sphere that surrounds all of the instances, but this produces bizarre results - it seems to behave as through my bounding sphere is always located…

Turns out it wasn’t that hard: import { Sphere } from 'three'; export interface CullableObject { boundingSphere?: Sphere; cullable?: boolean; } const _sphere = new Sphere(); // Patch Frustum to allow culling at object level. const prevImpl = Frustum.prototype.intersectsObject; Frustum.protot…

How to do frustum culling with instancedMesh?

Questions

philswan January 16, 2022, 12:24pm 7

Cool! Can you explain some more how this code works?

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How to do frustum culling with instancedMesh?

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