@orillusion/core

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Class: CubicBezierPath

Defined in: src/math/CubicBezierPath.ts:17

Constructors

Constructor

new CubicBezierPath(controlVertices, t?): CubicBezierPath

Defined in: src/math/CubicBezierPath.ts:26

Parameters

controlVertices

Vector3[]

t?

CubicBezierType = CubicBezierType.Open

Returns

CubicBezierPath

Methods

getPathType()

getPathType(): CubicBezierType

Defined in: src/math/CubicBezierPath.ts:31

Return the path type (open or closed).

Returns

CubicBezierType

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isClosed()

isClosed(): boolean

Defined in: src/math/CubicBezierPath.ts:36

Return true if the path is closed.

Returns

boolean

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isValid()

isValid(): boolean

Defined in: src/math/CubicBezierPath.ts:43

Returns

boolean

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clear()

clear(): void

Defined in: src/math/CubicBezierPath.ts:48

Reset the path to empty, open state with no control vertices or segments.

Returns

void

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computeApproxLength()

computeApproxLength(): number

Defined in: src/math/CubicBezierPath.ts:56

Compute an approximate path length by summing squared distances between interpolated points.

Returns

number

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computeApproxParamPerUnitLength()

computeApproxParamPerUnitLength(): number

Defined in: src/math/CubicBezierPath.ts:78

Return the approximate change in the raw parameter t per unit of path length.

Returns

number

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computeApproxNormParamPerUnitLength()

computeApproxNormParamPerUnitLength(): number

Defined in: src/math/CubicBezierPath.ts:84

Return the approximate change in the normalized parameter t per unit of path length.

Returns

number

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interpolatePoints()

interpolatePoints(knots, t): void

Defined in: src/math/CubicBezierPath.ts:90

Build the path from interpolated knots, generating interior control vertices automatically (knots.length must be >= 2).

Parameters

knots

Vector3[]

t

CubicBezierType

Returns

void

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setControlVertices()

setControlVertices(cvs, t): void

Defined in: src/math/CubicBezierPath.ts:187

Set the path directly from explicit control vertices; for a closed path the last CV must match the first.

Parameters

cvs

Vector3[]

t

CubicBezierType

Returns

void

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getPoint()

getPoint(t): Vector3

Defined in: src/math/CubicBezierPath.ts:203

Return the point on the path at parameter t in [0, numSegments]; closed paths wrap out-of-range t.

Parameters

t

number

Returns

Vector3

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getPointNorm()

getPointNorm(t): Vector3

Defined in: src/math/CubicBezierPath.ts:234

Return the point on the path at normalized parameter t in [0, 1] over all segments.

Parameters

t

number

Returns

Vector3

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getTangent()

getTangent(t): Vector3

Defined in: src/math/CubicBezierPath.ts:241

Return the (un-normalized) tangent on the path at parameter t in [0, numSegments].

Parameters

t

number

Returns

Vector3

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getTangentNorm()

getTangentNorm(t): Vector3

Defined in: src/math/CubicBezierPath.ts:270

Return the (un-normalized) tangent at normalized parameter t in [0, 1] over all segments.

Parameters

t

number

Returns

Vector3

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computeClosestParam()

computeClosestParam(pos, paramThreshold): number

Defined in: src/math/CubicBezierPath.ts:278

Find the parameter t of the closest point on the path to pos, searching with the given param threshold.

Parameters

pos

Vector3

paramThreshold

number

Returns

number

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computeClosestNormParam()

computeClosestNormParam(pos, paramThreshold): number

Defined in: src/math/CubicBezierPath.ts:304

Like computeClosestParam but returns the closest point as a normalized parameter t in [0, 1].

Parameters

pos

Vector3

paramThreshold

number

Returns

number