M3D / M3D / Render / VertexBuffer

Class: VertexBuffer

M3D.Render.VertexBuffer

Memberof

M3D.Render

Description

顶点缓冲

Hierarchy

• GPUObject

  ↳ VertexBuffer

Table of contents

Constructors

• constructor

Properties

• id
• count

Methods

• bind
• clearCacheData
• create
• deleteBuffer
• getBufferStruct
• getBufferType
• getCentersCoordsOffset
• getColorData
• getColorLength
• getColorOffset
• getDynamic
• getEvents
• getId
• getNormalData
• getNormalLength
• getNormalOffset
• getOffset
• getRenderContext
• getTextureCoordsData
• getTextureCoordsLength
• getTextureCoordsOffset
• getVertexData
• getVertexLength
• getVertexOffset
• hasValue
• registerEvent
• removeEvent
• setBufferStruct
• setCentersCoordsOffset
• setColorData
• setColorLength
• setColorOffset
• setDataRange
• setDynamic
• setId
• setNormalData
• setNormalLength
• setNormalOffset
• setOffset
• setRenderContext
• setSize
• setTextureCoordsData
• setTextureCoordsLength
• setTextureCoordsOffset
• setVBOSize
• setVertexData
• setVertexLength
• setVertexOffset
• subBuffer
• unbind
• updateBuffer
• writeBuffer

Constructors

constructor

• new VertexBuffer(renderContext): VertexBuffer

Parameters

Name	Type
renderContext	RenderContext

Returns

VertexBuffer

Description

构造函数

Overrides

GPUObject.constructor

Properties

id

• id: number

Inherited from

GPUObject.id

---

count

▪ Static count: number

Inherited from

GPUObject.count

Methods

bind

▸ bind(): void

Returns

void

Description

绑定buffer

---

clearCacheData

▸ clearCacheData(): void

Returns

void

Description

清空缓存数据

---

create

▸ create(buffer): boolean

Parameters

Name	Type
buffer	ArrayBuffer

Returns

boolean

Description

在GPU端申请空间

▸ create(buffer): boolean

Parameters

Name	Type
buffer	Float32Array

Returns

boolean

Description

在GPU端申请空间

▸ create(bufferSize?): boolean

Parameters

Name	Type
bufferSize?	number

Returns

boolean

Description

在GPU端申请空间：设置是否创建VBO对象，如果不创建，在绑定时默认绑定到0，不影响使用。

---

deleteBuffer

▸ deleteBuffer(): void

Returns

void

Description

删除Buffer

---

getBufferStruct

▸ getBufferStruct(): BufferStuct

Returns

BufferStuct

Description

获取BufferStuct

---

getBufferType

▸ getBufferType(): number

Returns

number

Description

获取buffer类型

---

getCentersCoordsOffset

▸ getCentersCoordsOffset(): number

Returns

number

Description

获取线框模式坐标偏移量

---

getColorData

▸ getColorData(): any

Returns

any

Description

获取颜色数据

---

getColorLength

▸ getColorLength(): number

Returns

number

Description

获取颜色坐标长度

---

getColorOffset

▸ getColorOffset(): number

Returns

number

Description

获取颜色坐标偏移量

---

getDynamic

▸ getDynamic(): boolean

Returns

boolean

Description

获取GPU申请空间是否为动态

---

getEvents

▸ getEvents(): M3DEvent[]

Returns

M3DEvent[]

Description

获得事件列表

Inherited from

GPUObject.getEvents

---

getId

▸ getId(): number

Returns

number

Description

获取id

Inherited from

GPUObject.getId

---

getNormalData

▸ getNormalData(): any

Returns

any

Description

获取法向量的数据

---

getNormalLength

▸ getNormalLength(): number

Returns

number

Description

获取法向量的长度

---

getNormalOffset

▸ getNormalOffset(): number

Returns

number

Description

获取法向量的偏移量

---

getOffset

▸ getOffset(): number

Returns

number

Description

获取数据相对于起点的偏移量

---

getRenderContext

▸ getRenderContext(): RenderContext

Returns

RenderContext

渲染上下文

Description

获取渲染上下文

Inherited from

GPUObject.getRenderContext

---

getTextureCoordsData

▸ getTextureCoordsData(): any

Returns

any

Description

获取纹理坐标数据

---

getTextureCoordsLength

▸ getTextureCoordsLength(): number

Returns

number

Description

获取纹理坐标长度

---

getTextureCoordsOffset

▸ getTextureCoordsOffset(): number

Returns

number

Description

获取纹理坐标偏移量

---

getVertexData

▸ getVertexData(): any

Returns

any

Description

获取顶点数据

---

getVertexLength

▸ getVertexLength(): number

Returns

number

Description

获取顶点长度

---

getVertexOffset

▸ getVertexOffset(): number

Returns

number

Description

获取顶点的偏移量

---

hasValue

▸ hasValue(): boolean

Returns

boolean

Description

判断是否有值

---

registerEvent

▸ registerEvent(event): void

Parameters

Name	Type	Description
event	M3DEvent	M3D事件

Returns

void

Description

注册事件

Inherited from

GPUObject.registerEvent

---

removeEvent

▸ removeEvent(): void

Returns

void

Description

删除事件

Inherited from

GPUObject.removeEvent

---

setBufferStruct

▸ setBufferStruct(bufferStruct): void

Parameters

Name	Type
bufferStruct	BufferStuct

Returns

void

Description

设置BufferStuct

---

setCentersCoordsOffset

▸ setCentersCoordsOffset(offset): void

Parameters

Name	Type
offset	number

Returns

void

Description

设置线框模式坐标偏移量

---

setColorData

▸ setColorData(value): void

Parameters

Name	Type
value	any

Returns

void

Description

设置颜色数据

---

setColorLength

▸ setColorLength(length): void

Parameters

Name	Type
length	number

Returns

void

Description

设置颜色坐标长度

---

setColorOffset

▸ setColorOffset(offset): void

Parameters

Name	Type
offset	number

Returns

void

Description

设置颜色坐标偏移量

---

setDataRange

▸ setDataRange(data, start): boolean

Parameters

Name	Type
data	number[] | Float32Array
start	number

Returns

boolean

Description

分段将数据拷贝到GPU端

---

setDynamic

▸ setDynamic(dynamic): void

Parameters

Name	Type
dynamic	boolean

Returns

void

Description

设置GPU申请空间是否为动态

---

setId

▸ setId(v): void

Parameters

Name	Type	Description
v	number	ShapeId

Returns

void

Description

设置id

Inherited from

GPUObject.setId

---

setNormalData

▸ setNormalData(value): void

Parameters

Name	Type
value	any

Returns

void

Description

设置法向量的数据

---

setNormalLength

▸ setNormalLength(length): void

Parameters

Name	Type
length	number

Returns

void

Description

设置法向量的长度

---

setNormalOffset

▸ setNormalOffset(offset): void

Parameters

Name	Type
offset	number

Returns

void

Description

设置法向量的偏移量

---

setOffset

▸ setOffset(offset): void

Parameters

Name	Type
offset	number

Returns

void

Description

设置数据相对于起点的偏移量

---

setRenderContext

▸ setRenderContext(v): void

Parameters

Name	Type	Description
v	RenderContext	渲染上下文

Returns

void

Description

设置GL

Inherited from

GPUObject.setRenderContext

---

setSize

▸ setSize(bufferSize, dynamic?): void

Parameters

Name	Type
bufferSize	number
dynamic?	boolean

Returns

void

Description

设置数据大小

---

setTextureCoordsData

▸ setTextureCoordsData(value): void

Parameters

Name	Type
value	any

Returns

void

Description

设置纹理坐标数据

---

setTextureCoordsLength

▸ setTextureCoordsLength(length): void

Parameters

Name	Type
length	number

Returns

void

Description

设置纹理坐标长度

---

setTextureCoordsOffset

▸ setTextureCoordsOffset(offset): void

Parameters

Name	Type
offset	number

Returns

void

Description

设置纹理坐标偏移量

---

setVBOSize

▸ setVBOSize(bufferByteSize, dynamic?): void

Parameters

Name	Type
bufferByteSize	number
dynamic?	boolean

Returns

void

Description

设置VBO大小

---

setVertexData

▸ setVertexData(value): void

Parameters

Name	Type
value	any

Returns

void

Description

设置顶点的数据

---

setVertexLength

▸ setVertexLength(length): void

Parameters

Name	Type
length	number

Returns

void

Description

设置顶点的长度

---

setVertexOffset

▸ setVertexOffset(offset): void

Parameters

Name	Type
offset	number

Returns

void

Description

设置顶点的偏移量

---

subBuffer

▸ subBuffer(data, byteOffset): void

Parameters

Name	Type
data	any
byteOffset	any

Returns

void

Description

子级Buffer

---

unbind

▸ unbind(): void

Returns

void

Description

解绑buffer

---

updateBuffer

▸ updateBuffer(buffer, offset?): void

Parameters

Name	Type
buffer	Float32Array
offset?	number

Returns

void

Description

动态绘制时，更新绑定Buffer数据

---

writeBuffer

▸ writeBuffer(): void

Returns

void

Description

数据写到缓冲区中