M3D / M3D / M3DMath / Frustum

Class: Frustum

M3D.M3DMath.Frustum

Memberof

M3D.M3DMath

Description

视锥体

Table of contents

Constructors

• constructor

Properties

• planes
• vertices

Methods

• ClipEdgeZ
• Define
• DefineOrtho
• Distance
• IsInside
• IsInsideFast
• ProjectAndMergeEdge
• Projected
• Transform
• Transformed
• UpdatePlanes
• copyFrom

Constructors

constructor

• new Frustum(): Frustum

Returns

Frustum

Description

构造函数

• new Frustum(frustum): Frustum

Parameters

Name	Type
frustum	Frustum

Returns

Frustum

Description

构造函数

Properties

planes

• planes: Plane[]

---

vertices

• vertices: Vector3[]

Methods

ClipEdgeZ

▸ ClipEdgeZ(v0, v1, clipZ): Vector3

Parameters

Name	Type
v0	Vector3
v1	Vector3
clipZ	number

Returns

Vector3

Description

更新平面剪裁边Z

---

Define

▸ Define(fov, aspectRatio, zoom, nearZ, farZ, transform): any

Parameters

Name	Type
fov	number
aspectRatio	number
zoom	number
nearZ	number
farZ	number
transform	Matrix3x4

Returns

any

Description

定义

▸ Define(near, far, transform): any

Parameters

Name	Type
near	Vector3
far	Vector3
transform	Matrix3x4

Returns

any

Description

定义

▸ Define(box, transform): any

Parameters

Name	Type
box	BoundingBox
transform	Matrix3x4

Returns

any

Description

定义

▸ Define(nearRightTop, nearRightBottom, nearLeftBottom, nearLeftTop, farRightTop, farRightBottom, farLeftBottom, farLeftTop): any

Parameters

Name	Type
nearRightTop	Vector3
nearRightBottom	Vector3
nearLeftBottom	Vector3
nearLeftTop	Vector3
farRightTop	Vector3
farRightBottom	Vector3
farLeftBottom	Vector3
farLeftTop	Vector3

Returns

any

Description

定义

---

DefineOrtho

▸ DefineOrtho(orthoSize, aspectRatio, zoom, nearZ, farZ, transform?): void

Parameters

Name	Type
orthoSize	number
aspectRatio	number
zoom	number
nearZ	number
farZ	number
transform?	Matrix3x4

Returns

void

Description

定义正交投影视锥

---

Distance

▸ Distance(point): number

Parameters

Name	Type
point	Vector3

Returns

number

Description

返回点到平截头体的距离，如果在内部，返回0

---

IsInside

▸ IsInside(point): Intersection

Parameters

Name	Type
point	Vector3

Returns

Intersection

Description

测试一个点是在内部还是外部

▸ IsInside(box): Intersection

Parameters

Name	Type
box	BoundingBox

Returns

Intersection

Description

测试包围盒是在内部还是外部

---

IsInsideFast

▸ IsInsideFast(box): Intersection

Parameters

Name	Type
box	BoundingBox

Returns

Intersection

Description

测试边界框是否（部分）在内部或外部

---

ProjectAndMergeEdge

▸ ProjectAndMergeEdge(v0, v1, rect, projection): void

Parameters

Name	Type
v0	Vector3
v1	Vector3
rect	Rect
projection	Matrix4

Returns

void

Description

投影并合并边线

---

Projected

▸ Projected(projection): Rect

Parameters

Name	Type
projection	Matrix4

Returns

Rect

Description

投影

---

Transform

▸ Transform(transform): any

Parameters

Name	Type
transform	Matrix3

Returns

any

Description

转换

▸ Transform(transform): any

Parameters

Name	Type
transform	Matrix3x4

Returns

any

Description

转换

---

Transformed

▸ Transformed(transform): Frustum

Parameters

Name	Type
transform	Matrix3

Returns

Frustum

Description

进行矩阵变换

▸ Transformed(transform): Frustum

Parameters

Name	Type
transform	Matrix3x4

Returns

Frustum

Description

进行矩阵变换

---

UpdatePlanes

▸ UpdatePlanes(): void

Returns

void

Description

更新

---

copyFrom

▸ copyFrom(rhs): void

Parameters

Name	Type
rhs	Frustum

Returns

void

Description

复制