@babylonjs/viewer/dist/chunks/gltf-strided-attribute-BaBDvhqc.esm.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import { F as F32, ai as U32, U as U16, j as U8 } from './index-By0tcgYN.esm.js';

const FLOAT = 5126;
const UNSIGNED_SHORT = 5123;
const UNSIGNED_INT = 5125;
function copyStridedAttribute(accessor, bufferView, binChunk, componentCount, componentBytes) {
  const ct = accessor.componentType;
  const count = accessor.count;
  const Ctor = ct === FLOAT ? F32 : ct === UNSIGNED_INT ? U32 : ct === UNSIGNED_SHORT ? U16 : U8;
  const out = new Ctor(count * componentCount);
  const base = (bufferView.byteOffset ?? 0) + (accessor.byteOffset ?? 0);
  const stride = bufferView.byteStride;
  for (let v = 0; v < count; v++) {
    const row = base + v * stride;
    for (let c = 0; c < componentCount; c++) {
      const off = row + c * componentBytes;
      out[v * componentCount + c] = ct === FLOAT ? binChunk.getFloat32(off, true) : ct === UNSIGNED_INT ? binChunk.getUint32(off, true) : ct === UNSIGNED_SHORT ? binChunk.getUint16(off, true) : binChunk.getUint8(off);
    }
  }
  return out;
}

export { copyStridedAttribute };
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