WindingOrder() Winding order defines the order of vertices for a triangle to be considered front-facing. Members staticconstantCesium.WindingOrder.CLOCKWISE 单面逆时针渲染 staticconstantCesium.WindingOrder.COUNTER_CLOCKWISE 单面顺时针渲染 staticconstantCesium.WindingOrder.NONE 双面渲染