KLine2d.onLeftSide() method
检查一个点是不是在直线的左侧。
Check whether a point is on the left side of the line.
Signature:
onLeftSide(point: KPoint2d, tol?: number): boolean;
Links: onLeftSide(point: KPoint2d, tol?: number): boolean;
Parameters
Parameter | Type | Description |
|---|---|---|
point | 待检查的点。 Point to check. | |
tol | number | (Optional) 距离容差。如果没有给定，则采用全局容差。 distance tolerance. If it is not provided, then global tolerance is used. |
Returns:
boolean
如果点在直线左侧则返回真，否则为假。
True, if the point is on the left side of the line, otherwise false.