Class: CubicBezierCurve ​

三阶贝塞尔曲线

Constructors ​

• constructor

Methods ​

• setControlVerts
• getPoint
• getTangent
• getClosestParam
• getClosestParamRec

Constructors ​

constructor ​

• new CubicBezierCurve(cvs)

创建贝塞尔曲线对象

Parameters ​

Defined in ​

src/engine/math/CubicBezierCurve.ts:13

Methods ​

setControlVerts ​

▸ setControlVerts(cvs): void

设置控制点

Parameters ​

Returns ​

void

Defined in ​

src/engine/math/CubicBezierCurve.ts:21

getPoint ​

▸ getPoint(t): Vector3

获取给定位置的坐标

Parameters ​

Returns ​

Vector3

选定的坐值

Defined in ​

src/engine/math/CubicBezierCurve.ts:31

getTangent ​

▸ getTangent(t): Vector3

返回指定点的切线向量

Parameters ​

Returns ​

Vector3

切线向量

Defined in ​

src/engine/math/CubicBezierCurve.ts:52

getClosestParam ​

▸ getClosestParam(pos, paramThreshold?): number

获取临近坐标

Parameters ​

Returns ​

number

临近值

Defined in ​

src/engine/math/CubicBezierCurve.ts:73

getClosestParamRec ​

▸ getClosestParamRec(pos, beginT, endT, thresholdT): number

根据给定范围计算临近值

Parameters ​

Returns ​

number

Defined in ​

src/engine/math/CubicBezierCurve.ts:85