椎体模型如下图思路：不断改变椎体的偏航角（Y轴），从而实现选择代码：//获取锥体的坐标var position = Cesium.Cartesian3.fromDegrees(108.95813233063066,34.22065543077288,30);var heading = 0;//偏航角（Y轴）var pitch = 0; //俯仰角（X轴）var roll = 0;//翻滚角（Z轴）