Spherical: Clean up.

[davcri]

Description

• Put JSDoc on the line before the class definition so that IDEs can pick it up correctly.
• specify the used spherical convention

EG: this allows getting JSDoc while hovering over the Spherical class symbol.

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

Filesize dev	Filesize PR	Diff
669.6 kB (166.2 kB)	669.6 kB (166.2 kB)	+0 B

🌳 Bundle size after tree-shaking

Minimal build including a renderer, camera, empty scene, and dependencies.

Filesize dev	Filesize PR	Diff
449.8 kB (108.8 kB)	449.8 kB (108.8 kB)	+0 B