DriftEngine

Model loading · function

orientMeshes

Stand an asset up, given which of its axes points at the sky.

Explained in Importing models.

function orientMeshes(meshes: readonly MeshData[], assetUp: UpAxis): MeshData[]
import { orientMeshes } from '@driftengine/assets';

Parameters

ParameterTypeDescription
meshesreadonly MeshData[]
assetUpUpAxis

In depth

Normals take the same matrix as positions rather than an inverse transpose, and that is exact rather than an approximation: for a rotation the two are the same matrix. There is no scale here by construction, which is the other half of why.