3d

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Building a 360° Panorama Viewer with Three.js — Geometry, Rendering & Device Motion A deep dive into the geometry, projection math, and gyroscope-driven motion mode behind a WebGL panorama viewer built as an Astro component using Three.js.

June 24, 2026 — 38 min read — 5,873 words

WEBGLTHREE.JSPANORAMAGEOMETRYASTRO3DQUATERNIONDEVICE ORIENTATION