Cesium学习笔记2-4:更多官方示例

https://sandcastle.cesium.com/?src=3D%20Models.html

https://sandcastle.cesium.com/?src=CZML%20Path.html&label=CZML

 键盘控制飞机飞行

https://sandcastle.cesium.com/?src=HeadingPitchRoll.html&label=Tutorials