M3D / M3D / Animation / KeyframeChannelFollowPath

Class: KeyframeChannelFollowPath

M3D.Animation.KeyframeChannelFollowPath

Memberof

M3D.Animation

Description

位置值的离散插值

Author

YF

Export

Hierarchy

• KeyframeChannelCurve

  ↳ KeyframeChannelFollowPath

Table of contents

Constructors

• constructor

Properties

• ItemType
• b
• bConstant
• bEaseInOut
• bLinear
• bNoRotate
• bRelative
• c
• channeltype
• control_polygon
• cp
• curvelength
• factor1
• factor2
• tangent1
• tangent2
• tmatrix
• tmatrix2
• type

Methods

• calculateCurveFactor
• calculateHermiteTangents
• clone
• interpolate
• interpolateHermiteSpline
• setConstant
• setEaseInOut
• setRelative

Constructors

constructor

• new KeyframeChannelFollowPath(): KeyframeChannelFollowPath

Returns

KeyframeChannelFollowPath

Memberof

KeyframeChannelFollowPath

Overrides

KeyframeChannelCurve.constructor

Properties

ItemType

• ItemType: number

Inherited from

KeyframeChannelCurve.ItemType

---

b

• b: number

Inherited from

KeyframeChannelCurve.b

---

bConstant

• bConstant: boolean

Description

如果此关键帧的值与前一个关键帧的值相同，则该值为true

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.bConstant

---

bEaseInOut

• bEaseInOut: boolean

Description

如果开启了启动和停止的平滑过渡，则该值为true，否则为false

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.bEaseInOut

---

bLinear

• bLinear: boolean

---

bNoRotate

• bNoRotate: boolean

---

bRelative

• bRelative: boolean

Description

是否关联

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.bRelative

---

c

• c: number

Inherited from

KeyframeChannelCurve.c

---

channeltype

• channeltype: ANIChannelType

Description

通道类型

Memberof

KeyframeChannel

Inherited from

KeyframeChannelCurve.channeltype

---

control_polygon

• control_polygon: Vector3

Inherited from

KeyframeChannelCurve.control_polygon

---

cp

• cp: Vector3

Description

通道坐标

Memberof

KeyframeChannel

Inherited from

KeyframeChannelCurve.cp

---

curvelength

• curvelength: number

Inherited from

KeyframeChannelCurve.curvelength

---

factor1

• factor1: number

Inherited from

KeyframeChannelCurve.factor1

---

factor2

• factor2: number

Inherited from

KeyframeChannelCurve.factor2

---

tangent1

• tangent1: Vector3

Inherited from

KeyframeChannelCurve.tangent1

---

tangent2

• tangent2: Vector3

Inherited from

KeyframeChannelCurve.tangent2

---

tmatrix

• tmatrix: number[]

---

tmatrix2

• tmatrix2: number[]

---

type

• type: ANIKeyframeType

Description

关键帧类型

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.type

Methods

calculateCurveFactor

▸ calculateCurveFactor(tl, keyframe): void

Parameters

Name	Type	Description
tl	Timeline	计算正确曲线因子所需的时间线
keyframe	number	当前关键帧

Returns

void

Description

预先计算曲线因子

Memberof

KeyframeChannelCurve

Inherited from

KeyframeChannelCurve.calculateCurveFactor

---

calculateHermiteTangents

▸ calculateHermiteTangents(p0, p2, p3, a?): void

Parameters

Name	Type	Default value	Description
p0	Vector3	undefined	正切计算的第一点
p2	Vector3	undefined	正切计算的第二点
p3	Vector3	undefined	正切计算的第三点
a?	number	0.5	hermite样条的常量

Returns

void

Description

预先计算埃尔米特样条的切线

Memberof

KeyframeChannelCurve

Inherited from

KeyframeChannelCurve.calculateHermiteTangents

---

clone

▸ clone(): KeyframeChannel

Returns

KeyframeChannel

Description

克隆

Memberof

KeyframeChannel

Inherited from

KeyframeChannelCurve.clone

---

interpolate

▸ interpolate(posarray, keyframe, fraction, length): Vector3

Parameters

Name	Type	Description
posarray	KeyframeChannel[]	KeyframeChannel对象的数组
keyframe	number	关联帧
fraction	number	从这个关键帧到下一个关键帧的分数
length	number	关键帧数组中的条目数

Returns

Vector3

插值结果

Description

计算这个关键帧和下一个关键帧之间的插值

Memberof

KeyframeChannelCurve

Inherited from

KeyframeChannelCurve.interpolate

---

interpolateHermiteSpline

▸ interpolateHermiteSpline(fraction, p1, p2): Vector3

Parameters

Name	Type	Description
fraction	number	第一个控制点和第二个控制点之间的距离
p1	Vector3	第一个控制点
p2	Vector3	第二个控制点

Returns

Vector3

Description

插值一条Hermite样条

Memberof

KeyframeChannelCurve

Inherited from

KeyframeChannelCurve.interpolateHermiteSpline

---

setConstant

▸ setConstant(constant): void

Parameters

Name	Type
constant	boolean

Returns

void

Description

使用此方法保持关键帧值不变

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.setConstant

---

setEaseInOut

▸ setEaseInOut(easeinout): void

Parameters

Name	Type
easeinout	boolean

Returns

void

Description

使用此方法表明您希望在开始时实现平稳过渡

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.setEaseInOut

---

setRelative

▸ setRelative(relative): void

Parameters

Name	Type
relative	boolean

Returns

void

Description

设置是否相关

Memberof

Keyframe

Inherited from

KeyframeChannelCurve.setRelative