KNurbsCurve2d interface

KNurbsCurve2d 类代表着二维空间中的一条非均匀有理样条曲线

The KNurbsCurve2d class represents a nurbs curve in 2d space

Signature:

export interface KNurbsCurve2d extends KBoundedCurve2d 

Links: export interface KNurbsCurve2d extends KBoundedCurve2d

Extends: KBoundedCurve2d

Properties

Property	Modifiers	Type	Description
controlPoints	readonly	KPoint2d[]	获取当前样条曲线的控制点集 Get the control points of the nurbs curve
degree	readonly	number	获取当前样条曲线的阶数。 Get the degree of the nurbs curve.
knots	readonly	number[]	获取当前样条曲线的节点向量。 Get the knots of the nurbs curve.
weights	readonly	number[]	获取当前样条曲线的权重 Get the weights of the nurbs curve

Methods

Method	Description
getTangent(point)	获得样条曲线上一点处的切向量。 注意：该函数调用需要确保传入点在样条曲线上。 Get tangent vector of a point on the nurbs curve. NOTE: the caller needs to make sure the point is on the nurbs curve.