v0.4.0

Major Updates

1. Optimized PC navigation fluidity.
2. Optimized mobile navigation fluidity.
3. Compatible with scenes without spherical harmonics data.
4. Updated load interface parameters; added update interface.
5. Added multiple performance tuning interfaces.
6. Added scene bounding box retrieval interface.
7. Added spherical harmonics data detection interface.
8. Added depth testing and projection coordinate retrieval interfaces (Cesium version only).

Bug Fixes

None

Removed Features

None