Release/v2.1.0

What's Changed

Exciting New Features 🎉

• Feat/v2.1.0 by @LinkunGao in #300
• Fix bugs and update get calculate sphere position function by @LinkunGao in #303

Other Changes

• update render by @LinkunGao in #305

Full Changelog: Release/v2.0.9...Release/v2.1.0