KLoop2d 接口
export interface KLoop2d 
KLoop2d代表二维环。
The KLoop2d represents a 2d loop.
属性
loop
loop: KBoundedCurve2d[];
二维环。 注意:环的每一条轮廓线 必须是首尾相连。
The 2d uv loop. NOTE: The caller need to make sure the edges of the loop are connected tail to head.
类型: KBoundedCurve2d[]