Class: VertexArrayObject

VertexArrayObject

new VertexArrayObject(gl, id, params)

renderer/VertexArrayObject.js, line 22

VAO

Name Type Description
gl WebGLRenderingContext
id String

缓存id
params Object

Members Show Inherited

Name Type Default Description
className String VertexArrayObject
isVertexArrayObject Boolean true
useVao Boolean false

是否使用 vao
useInstanced Boolean false

是否使用 instanced
mode GLenum gl.TRIANGLES

绘图方式
isDirty Boolean true

是否脏

static,readonlyVertexArrayObject.cacheCache

缓存

Methods Show Inherited

staticVertexArrayObject.getVao(gl, id, params){VertexArrayObject}

renderer/VertexArrayObject.js, line 44

获取 vao

Name Type Description
gl WebGLRenderingContext
id String

缓存id
params Object
Returns:
Type Description
VertexArrayObject

staticVertexArrayObject.reset(gl)

renderer/VertexArrayObject.js, line 61

重置所有vao

Name Type Description
gl WebGLRenderingContext

staticVertexArrayObject.bindSystemVao()

renderer/VertexArrayObject.js, line 73

绑定系统vao

bind()

renderer/VertexArrayObject.js, line 163

bind

unbind()

renderer/VertexArrayObject.js, line 221

unbind

draw()

renderer/VertexArrayObject.js, line 230

draw

getVertexCount(){Number}

renderer/VertexArrayObject.js, line 247

获取顶点数量

Returns:
Type Description
Number 顶点数量

drawInstance(primcount)

renderer/VertexArrayObject.js, line 262

drawInstance

Name Type Default Description
primcount Number 1 optional

addIndexBuffer(data, usage){Buffer}

renderer/VertexArrayObject.js, line 282

addIndexBuffer

Name Type Description
data GeometryData
usage GLenum

gl.STATIC_DRAW|gl.DYNAMIC_DRAW
Returns:
Type Description
Buffer Buffer

addAttribute(geometryData, attribute, usage, onInit){AttributeObject}

renderer/VertexArrayObject.js, line 307

addAttribute

Name Type Description
geometryData GeometryData
attribute Object
usage GLenum

gl.STATIC_DRAW|gl.DYNAMIC_DRAW
onInit function
Returns:
Type Description
AttributeObject attributeObject

addInstancedAttribute(attribute, meshes, getData){AttributeObject}

renderer/VertexArrayObject.js, line 348

addInstancedAttribute

Name Type Description
attribute Object
meshes Array
getData function
Returns:
Type Description
AttributeObject attributeObject

getResources(resources){Array.<Object>}

renderer/VertexArrayObject.js, line 386

获取资源

Name Type Default Description
resources Array.<Object> [] optional
Returns:
Type Description
Array.<Object>

destroyIfNoRef(renderer){VertexArrayObject}

renderer/VertexArrayObject.js, line 404

没有被引用时销毁资源

Name Type Description
renderer WebGLRenderer
Returns:
Type Description
VertexArrayObject this

destroy(){VertexArrayObject}

renderer/VertexArrayObject.js, line 414

销毁资源

Returns:
Type Description
VertexArrayObject this