BufferGeometry类 参考

类 BufferGeometry 继承关系图:

Public 成员函数
	BufferGeometry (EnumPrimitiveType type, long instanceCount)
	BufferGeometry (EnumPrimitiveType type)
EnumPrimitiveType	GetPrimitiveType ()
void	SetPrimitiveType (EnumPrimitiveType val)
long	GetInstanceCount ()
void	SetInstanceCount (long val)
boolean	GetMultiDraw ()
void	SetMultiDraw (boolean val)
AABox	GetBoundingBox ()
ArrayBuffer	GetSubDrawIndex ()
void	SetSubDrawIndex (ArrayBuffer val)
Int32Buffer	GetSubDrawCount ()
void	SetSubDrawCount (Int32Buffer val)
long	GetFlags ()
void	SetFlags (long val)
ElementAttribute	GetIndex ()
long	GetUpdateVersion ()
long	GetVertexCount ()
void	SetBoundingBox (AABox box)
boolean	IsEmpty ()
void	RequestUpdate ()
BufferAttribute	GetAttribute (long idx)
void	AddAttribute (EnumAttributeSemantic loc, EnumAttributeComponents component, ArrayBuffer data)
void	SetIndex (Uint32Buffer data)
void	SetIndex (Uint16Buffer data)
BufferAttribute	FindAttribute (EnumAttributeSemantic location)
boolean	HasColorAttribute ()
boolean	HasAttribute (EnumAttributeSemantic semantic)
void	ComputeBoundingBox ()
AABox	GetSafeBoudingBox ()
Public 成员函数 继承自 GfxObject
long	GetUuid ()

详细描述

<> 图元几何对象.

成员函数说明

AddAttribute()

void BufferGeometry.AddAttribute	(	EnumAttributeSemantic	loc,
		EnumAttributeComponents	component,
		ArrayBuffer	data
	)

添加属性

参数

loc	位置
component	每个顶点对应几个数据
data	数据

ComputeBoundingBox()

void BufferGeometry.ComputeBoundingBox

(

)

计算包围盒

FindAttribute()

BufferAttribute BufferGeometry.FindAttribute

(

EnumAttributeSemantic

location

)

根据位置查找属性

参数

location

位置

返回

属性

GetAttribute()

BufferAttribute BufferGeometry.GetAttribute

(

long

idx

)

根据索引获取属性

参数

idx

the index

GetSafeBoudingBox()

AABox BufferGeometry.GetSafeBoudingBox

(

)

获取包围盒。若不存在，则从顶点计算

返回

包围

GetVertexCount()

long BufferGeometry.GetVertexCount

(

)

顶点个数

HasAttribute()

boolean BufferGeometry.HasAttribute

(

EnumAttributeSemantic

semantic

)

是否存在属性

参数

semantic

属性类型

返回

true存在

HasColorAttribute()

boolean BufferGeometry.HasColorAttribute

(

)

是否有颜色属性

返回

true存在

IsEmpty()

boolean BufferGeometry.IsEmpty

(

)

是否为孔对象

返回

RequestUpdate()

void BufferGeometry.RequestUpdate

(

)

更新

SetBoundingBox()

void BufferGeometry.SetBoundingBox

(

AABox

box

)

设置包围盒

参数

box

包围盒

SetIndex() [1/2]

void BufferGeometry.SetIndex

(

Uint16Buffer

data

)

设置顶点索引

参数

data

数据

SetIndex() [2/2]

void BufferGeometry.SetIndex

(

Uint32Buffer

data

)

设置顶点索引

参数

data

数据