@simversus/yjvis

---

@simversus/yjvis / cameras / Camera

Class: Camera

Defined in: cameras/Camera.ts:14

相机

Extends

• Transform

Extended by

• CaxCamera

Constructors

Constructor

new Camera(): Camera

Defined in: cameras/Camera.ts:167

Returns

Camera

Overrides

Transform.constructor

Properties

_visible

_visible: boolean = true

Defined in: core/Transform.ts:51

是否可见

Inherited from

CaxCamera._visible

---

aspect

aspect: number = 1

Defined in: cameras/Camera.ts:92

透视投影时的视图宽高比

---

bottom

bottom: number = -1

Defined in: cameras/Camera.ts:100

正交投影下边界

---

castShadow

castShadow: boolean = false

Defined in: core/Transform.ts:27

是否投射阴影

Inherited from

CaxCamera.castShadow

---

children

children: Transform[] = []

Defined in: core/Transform.ts:57

子节点

Inherited from

Transform.children

---

classHierarchy

classHierarchy: ClassEnum[]

Defined in: core/baseObject.ts:19

继承链

Inherited from

Transform.classHierarchy

---

far

far: number = 1000

Defined in: cameras/Camera.ts:82

x轴视锥体远端面

---

fov

fov: number = 45

Defined in: cameras/Camera.ts:87

透视投影的视角

---

id

readonly id: number

Defined in: core/Transform.ts:40

唯一序号

Inherited from

CaxCamera.id

---

isPerspective

isPerspective: boolean = true

Defined in: cameras/Camera.ts:110

是否为透视投影

---

label?

optional label: string

Defined in: core/baseObject.ts:27

自定义标识

Inherited from

Transform.label

---

layerMask

layerMask: number = 0

Defined in: core/Transform.ts:139

层级掩码，用于控制不同层级对象的可见性或交互

Inherited from

CaxCamera.layerMask

---

left

left: number = -1

Defined in: cameras/Camera.ts:94

正交投影左边界

---

matrix

matrix: Mat4

Defined in: core/Transform.ts:71

本地变换矩阵 (相对于父节点)

Inherited from

Transform.matrix

---

modelViewMatrix

modelViewMatrix: Mat4

Defined in: core/Transform.ts:82

模型视图矩阵 (ModelMatrix * ViewMatrix) 用于着色器计算

Inherited from

CaxCamera.modelViewMatrix

---

near

near: number = 0.1

Defined in: cameras/Camera.ts:77

相机视锥体近端面

---

normalMatrix

normalMatrix: Mat3

Defined in: core/Transform.ts:88

法线矩阵 (模型视图矩阵的逆转置矩阵的左上3x3部分) 用于变换法向量

Inherited from

CaxCamera.normalMatrix

---

occlusionTest

occlusionTest: boolean = false

Defined in: core/Transform.ts:35

是否进行遮挡查询测试

Inherited from

CaxCamera.occlusionTest

---

onAfterRender()?

optional onAfterRender: (node) => void

Defined in: core/Transform.ts:134

渲染后的回调

Parameters

node

Transform

Returns

void

Inherited from

Transform.onAfterRender

---

onBeforeRender()?

optional onBeforeRender: (node, scene?, camera?, geometry?, material?, group?) => void

Defined in: core/Transform.ts:122

渲染前的回调

Parameters

node

any

scene?

Scene

camera?

Camera

geometry?

BufferGeometry

material?

NodeMaterial

group?

any

Returns

void

Inherited from

Transform.onBeforeRender

---

parent?

optional parent: Transform

Defined in: core/Transform.ts:63

父节点

Inherited from

Transform.parent

---

position

position: Vec3

Defined in: core/Transform.ts:100

位置

Inherited from

Transform.position

---

projectionMatrix

projectionMatrix: Mat4

Defined in: cameras/Camera.ts:60

投影矩阵

---

projectionMatrixInverse

projectionMatrixInverse: Mat4

Defined in: cameras/Camera.ts:64

投影矩阵的逆矩阵

---

quaternion

quaternion: Quat

Defined in: core/Transform.ts:112

旋转

Inherited from

Transform.quaternion

---

receiveShadow

receiveShadow: boolean = false

Defined in: core/Transform.ts:31

是否接收阴影

Inherited from

CaxCamera.receiveShadow

---

renderOrder

renderOrder: number = 0

Defined in: core/Transform.ts:45

渲染顺序

Inherited from

CaxCamera.renderOrder

---

right

right: number = 1

Defined in: cameras/Camera.ts:96

正交投影右边界

---

rotation

rotation: Euler

Defined in: core/Transform.ts:117

旋转信息的欧拉表达

Inherited from

Transform.rotation

---

scaling

scaling: Vec3

Defined in: core/Transform.ts:106

缩放

Inherited from

Transform.scaling

---

top

top: number = 1

Defined in: cameras/Camera.ts:98

正交投影上边界

---

up

up: Vec3

Defined in: core/Transform.ts:94

上方向

Inherited from

Transform.up

---

userData

userData: object = {}

Defined in: core/baseObject.ts:23

用户自定义数据

Inherited from

Transform.userData

---

uuid

uuid: string

Defined in: core/baseObject.ts:15

唯一标识符

Inherited from

CaxCamera.uuid

---

viewMatrix

viewMatrix: Mat4

Defined in: cameras/Camera.ts:68

视图矩阵

---

VPmatrix

VPmatrix: Mat4

Defined in: cameras/Camera.ts:72

投影视图矩阵

---

worldMatrix

worldMatrix: Mat4

Defined in: core/Transform.ts:76

世界变换矩阵 (相对于世界坐标系)

Inherited from

Transform.worldMatrix

---

zoom

zoom: number = 1

Defined in: cameras/Camera.ts:105

平行投影时的缩放系数

Accessors

_renderSize

Get Signature

get _renderSize(): Number2

Defined in: cameras/Camera.ts:162

获取到渲染区域的大小，即偏移量

Returns

Number2

---

h

Get Signature

get h(): number

Defined in: cameras/Camera.ts:131

获取相机的高度 (正交投影)

Returns

number

Set Signature

set h(value): void

Defined in: cameras/Camera.ts:138

设置相机的高度 (正交投影)，会自动更新 top 和 bottom

Parameters

value

number

Returns

void

---

mtime

Get Signature

get mtime(): number

Defined in: core/baseObject.ts:56

获取对象的最后修改时间戳

Returns

number

Inherited from

PixelData.mtime

---

parallelScale

Get Signature

get parallelScale(): number

Defined in: cameras/Camera.ts:147

平行投影下, 世界空间中的长度 / 视图中的长度

Returns

number

Set Signature

set parallelScale(value): void

Defined in: cameras/Camera.ts:154

设置平行投影下, 世界空间中的长度 / 视图中的长度，会修改相机的zoom

Parameters

value

number

Returns

void

---

visible

Get Signature

get visible(): boolean

Defined in: core/Transform.ts:170

获取可见性状态

Returns

boolean

Set Signature

set visible(value): void

Defined in: core/Transform.ts:177

设置可见性状态

Parameters

value

boolean

Returns

void

Inherited from

Transform.visible

---

w

Get Signature

get w(): number

Defined in: cameras/Camera.ts:115

获取相机的宽度 (正交投影)

Returns

number

Set Signature

set w(value): void

Defined in: cameras/Camera.ts:122

设置相机的宽度 (正交投影)，会自动更新 left 和 right

Parameters

value

number

Returns

void

Methods

add()

add(...nodes): void

Defined in: core/Transform.ts:358

添加子节点 会自动将子节点从原来的父节点移除

Parameters

nodes

...Transform[]

要添加的子节点列表

Returns

void

Inherited from

Transform.add

---

addEventListener()

addEventListener(type, cb): void

Defined in: core/baseObject.ts:105

添加事件监听器

Parameters

type

string

事件类型字符串

cb

Function

事件触发时的回调函数

Returns

void

Inherited from

Transform.addEventListener

---

changed()

changed(): void

Defined in: core/baseObject.ts:72

标记对象为已修改 更新修改时间戳并触发所有注册的变更回调

Returns

void

Inherited from

Transform.changed

---

clone()

clone(): this

Defined in: cameras/Camera.ts:288

克隆当前相机实例

Returns

this

返回克隆后的相机实例，类型为this

Overrides

Transform.clone

---

copy()

copy(camera): Camera

Defined in: cameras/Camera.ts:268

复制另一个相机的属性

Parameters

camera

Camera

Returns

Camera

Overrides

Transform.copy

---

dispatchEvent()

dispatchEvent(event): void

Defined in: core/baseObject.ts:126

分发事件 触发所有注册了该事件类型的监听器

Parameters

event

事件对象，包含 type 和可选的 data

data?

any

type

string

Returns

void

Inherited from

Transform.dispatchEvent

---

dispose()

dispose(): void

Defined in: core/baseObject.ts:80

销毁该对象 分发 dispose 事件，通知监听者对象即将被销毁

Returns

void

Inherited from

Transform.dispose

---

getRotation()

getRotation(): Number3

Defined in: core/Transform.ts:208

获取欧拉角旋转信息 (数组形式)

Returns

Number3

[x, y, z] 旋转角度数组

Inherited from

Transform.getRotation

---

getScalingForAdjustCamera()

getScalingForAdjustCamera(worldPosition, maxSize, ratio, isMinSide): number

Defined in: cameras/Camera.ts:254

获取一个模型的缩放适应视图的缩放系数, ratio = model / view

Parameters

worldPosition

Vec3

maxSize

number

ratio

number = 1

isMinSide

boolean = true

Returns

number

---

getWorldDirection()

getWorldDirection(): Vec3

Defined in: cameras/Camera.ts:176

获取世界空间下的朝向

Returns

Vec3

Overrides

Transform.getWorldDirection

---

getZdepthAndZoomWhenMatchViewSize()

getZdepthAndZoomWhenMatchViewSize(maxSizeOfModel, isMinSide): object

Defined in: cameras/Camera.ts:239

一个物体渲染最大边 等于 视图指定边 时的相机zdepth/zoom

Parameters

maxSizeOfModel

number

模型的最大边(作为宽边)

isMinSide

boolean = true

Returns

object

zdepth

zdepth: number

zoom

zoom: number

---

is()

is(t): boolean

Defined in: core/baseObject.ts:65

检查对象是否属于指定的类类型

Parameters

t

ClassEnum

类类型枚举值

Returns

boolean

如果对象是该类型或继承自该类型，则返回 true

Inherited from

Transform.is

---

lookAt()

lookAt(target): void

Defined in: core/Transform.ts:291

使节点看向指定目标点 (改变朝向)

Parameters

target

Vec3 = ...

目标点坐标 (Vec3)

Returns

void

Inherited from

Transform.lookAt

---

lookTo()

lookTo(direction): void

Defined in: core/Transform.ts:304

使节点看向指定方向

Parameters

direction

Vec3

方向向量 (Vec3)

Returns

void

Inherited from

Transform.lookTo

---

onChanged()

onChanged(cb): () => void

Defined in: core/baseObject.ts:90

注册对象变更回调 当对象发生改变(调用 changed 方法)时触发

Parameters

cb

Function

回调函数

Returns

取消注册该回调的函数

(): void

Returns

void

Inherited from

Transform.onChanged

---

project()

project(v): Vec3

Defined in: cameras/Camera.ts:184

投影，世界坐标 -> ndc

Parameters

v

Vec3

Returns

Vec3

---

remove()

remove(...nodes): void

Defined in: core/Transform.ts:372

移除子节点

Parameters

nodes

...Transform[]

要移除的子节点列表

Returns

void

Inherited from

Transform.remove

---

removeEventListener()

removeEventListener(type, cb): void

Defined in: core/baseObject.ts:116

移除事件监听器

Parameters

type

string

事件类型字符串

cb

Function

要移除的回调函数

Returns

void

Inherited from

Transform.removeEventListener

---

rotate()

rotate(param0): void

Defined in: core/Transform.ts:270

绕本地坐标系的 X, Y, Z 轴旋转及从欧拉角选择

Parameters

param0

包含 dx, dy, dz 的对象 (弧度)

dx?

number

dy?

number

dz?

number

Returns

void

Inherited from

Transform.rotate

---

rotateOnAxis()

rotateOnAxis(axis, radian): void

Defined in: core/Transform.ts:251

绕本地坐标系的指定轴旋转

Parameters

axis

Vec3

旋转轴 (Vec3)

radian

number

旋转角度 (弧度)

Returns

void

Inherited from

Transform.rotateOnAxis

---

rotateOnWorldAxis()

rotateOnWorldAxis(axis, radian): void

Defined in: core/Transform.ts:261

绕世界坐标系的指定轴旋转

Parameters

axis

Vec3

旋转轴 (Vec3)

radian

number

旋转角度 (弧度)

Returns

void

Inherited from

Transform.rotateOnWorldAxis

---

scale()

scale(param0): void

Defined in: core/Transform.ts:280

缩放节点 (在现有缩放基础上累乘)

Parameters

param0

包含 dx, dy, dz 的对象

dx?

number

dy?

number

dz?

number

Returns

void

Inherited from

Transform.scale

---

setMatrix()

setMatrix(m): void

Defined in: core/Transform.ts:190

设置节点的本地变换矩阵 会自动分解出 position, quaternion, scaling

Parameters

m

Mat4

变换矩阵

Returns

void

Inherited from

Transform.setMatrix

---

setRotation()

setRotation(x, y, z): void

Defined in: core/Transform.ts:218

设置旋转角度 (欧拉角)

Parameters

x

number

X轴旋转角度 (弧度)，也可传入 Vec3

y

number = x

Y轴旋转角度 (弧度)

z

number = x

Z轴旋转角度 (弧度)

Returns

void

Inherited from

Transform.setRotation

---

toJSON()

toJSON(): object

Defined in: cameras/Camera.ts:292

序列化为 JSON 对象

Returns

object

包含位置、旋转和缩放的 JSON 对象

_parentClass

_parentClass: any

aspect

aspect: number

far

far: number

fov

fov: number

h

h: number

isPerspective

isPerspective: boolean

near

near: number

up

up: number[] | TypedArray

w

w: number

zoom

zoom: number

Overrides

Transform.toJSON

---

translate()

translate(param0): void

Defined in: core/Transform.ts:240

沿本地坐标系的 X, Y, Z 轴平移

Parameters

param0

包含 dx, dy, dz 的对象

dx?

number

dy?

number

dz?

number

Returns

void

Inherited from

Transform.translate

---

translateOnAxis()

translateOnAxis(axis, distance): Camera

Defined in: core/Transform.ts:230

沿指定轴平移节点 轴是在本地坐标系下指定的，但移动方向受当前旋转影响

Parameters

axis

Vec3

移动轴 (Vec3)

distance

number

移动距离

Returns

Camera

this

Inherited from

Transform.translateOnAxis

---

traverse()

traverse(cb): void

Defined in: core/Transform.ts:199

遍历场景树，对当前节点及所有后代节点执行回调

Parameters

cb

(node) => void

回调函数，接收当前正在处理的节点作为参数

Returns

void

Inherited from

Transform.traverse

---

unproject()

unproject(v): Vec3

Defined in: cameras/Camera.ts:194

逆投影，ndc -> 世界坐标

Parameters

v

Vec3

Returns

Vec3

---

updateMatrix()

updateMatrix(): void

Defined in: core/Transform.ts:313

更新本地矩阵 根据当前的 position, quaternion, scaling 组合计算 matrix

Returns

void

Inherited from

Transform.updateMatrix

---

updateProjectionMC()

updateProjectionMC(isPerspective?): void

Defined in: cameras/Camera.ts:213

更新投影矩阵

Parameters

isPerspective?

boolean

是否使用透视投影

Returns

void

---

updateWorldMatrix()

updateWorldMatrix(updateParant, updateChildren): void

Defined in: cameras/Camera.ts:203

重载更新矩阵函数

Parameters

updateParant

boolean = false

updateChildren

boolean = true

Returns

void

Overrides

Transform.updateWorldMatrix

---

createOrthographicCamera()

static createOrthographicCamera(left, right, top, bottom, near, far): Camera

Defined in: cameras/Camera.ts:24

创建正交相机

Parameters

left

number = -1

左边界

right

number = 1

右边界

top

number = 1

上边界

bottom

number = -1

下边界

near

number = 0.1

近裁剪面

far

number = 2000

远裁剪面

Returns

Camera

---

createPerspectiveCamera()

static createPerspectiveCamera(fov, aspect, near, far): Camera

Defined in: cameras/Camera.ts:47

创建透视相机

Parameters

fov

number = 50

视场角 (Field of View)

aspect

number = 1

宽高比

near

number = 0.1

近裁剪面

far

number = 2000

远裁剪面

Returns

Camera