@babylonjs/viewer/dist/chunks/environment-rotation-fragment-YlVv5-fm.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 { T as ThrowLiteError } from './index-DMbDahsc.esm.js';

const BASE_DIRECTION = /var\s+([A-Za-z_]\w*)\s*=\s*normalize\(\w+\.positionUVW\)\s*;/;
const _apply = (fragment) => {
  const direction = fragment.match(BASE_DIRECTION)?.[1];
  if (!direction) {
    ThrowLiteError(213);
  }
  const rotatedDirection = `let _erc=cos(scene.envRotationY);let _ers=sin(scene.envRotationY);${direction}=vec3f(${direction}.x*_erc+${direction}.z*_ers,${direction}.y,-${direction}.x*_ers+${direction}.z*_erc);`;
  return fragment.replace(BASE_DIRECTION, `$&${rotatedDirection}`);
};

export { _apply };
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