StaticGeometry

clay. StaticGeometry

# new StaticGeometry()

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Extends

Members

# __uid__ :number

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Type:
  • number

# attributes :Object.<string, clay.Geometry.Attribute>

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Attributes of geometry. Including:

  • position
  • texcoord0
  • texcoord1
  • normal
  • tangent
  • color
  • weight
  • joint
  • barycentric
Type:
  • Object.<string, clay.Geometry.Attribute>

# boundingBox :clay.BoundingBox

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Calculated bounding box of geometry.

Type:

# dynamic :boolean

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Is vertices data dynamically updated. Attributes value can't be changed after first render if dyanmic is false.

Type:
  • boolean

# indices :Uint16Array|Uint32Array

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Indices of geometry.

Type:
  • Uint16Array | Uint32Array

# mainAttribute :string

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Main attribute will be used to count vertex number

Type:
  • string

# (nullable) pick :function

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User defined picking algorithm instead of default triangle ray intersection x, y are NDC.

(x, y, renderer, camera, renderable, out) => boolean
Type:
  • function

# (nullable) pickByRay :function

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User defined ray picking algorithm instead of default triangle ray intersection

(ray: clay.Ray, renderable: clay.Renderable, out: Array) => boolean
Type:
  • function

# (readonly) triangleCount :number

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Type:
  • number

# (readonly) vertexCount :number

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Type:
  • number

Methods

# after(name, action, contextopt)

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Alias of once('after' + name)

Parameters:
Name Type Attributes Description
name string
action function
context Object <optional>

# applyTransform(matrix)

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Apply transform to geometry attributes.

Parameters:
Name Type Description
matrix clay.Matrix4

# before(name, action, contextopt)

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Alias of once('before' + name)

Parameters:
Name Type Attributes Description
name string
action function
context Object <optional>

# createAttribute(name, type, size, semanticopt)

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Create a new attribute

Parameters:
Name Type Attributes Description
name string
type string
size number
semantic string <optional>

# dirty()

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Mark attributes and indices in geometry needs to update. Usually called after you change the data in attributes.

# dirtyAttribute(attrNameopt)

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Mark the attributes needs to update.

Parameters:
Name Type Attributes Description
attrName string <optional>

# dirtyIndices()

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Mark the indices needs to update.

# dispose(renderer)

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Dispose geometry data in GL context.

Parameters:
Name Type Description
renderer clay.Renderer

# error(action, contextopt)

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Alias of on('error')

Parameters:
Name Type Attributes Description
action function
context Object <optional>

# generateBarycentric()

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Generate barycentric coordinates for wireframe draw.

# generateFaceNormals()

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Generate normals per face.

# generateTangents()

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Generate tangents attributes.

# generateUniqueVertex()

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Create a unique vertex for each index.

# generateVertexNormals()

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Generate normals per vertex.

# getAttribute(name) → {clay.GeometryBase.Attribute}

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Get attribute

Parameters:
Name Type Description
name string
Returns:
Type
clay.GeometryBase.Attribute

# getEnabledAttributes() → {Array.<string>}

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Get enabled attributes name list Attribute which has the same vertex number with position is treated as a enabled attribute

Returns:
Type
Array.<string>

# getTriangleIndices(idx, out) → {Array.<number>}

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Get indices of triangle at given index.

Parameters:
Name Type Description
idx number
out Array.<number>
Returns:
Type
Array.<number>

# has(name, action) → {boolean}

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If registered the event handler

Parameters:
Name Type Description
name string
action function
Returns:
Type
boolean

# initIndicesFromArray(array)

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Initialize indices from an array.

Parameters:
Name Type Description
array Array

# isUniqueVertex()

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If vertices are not shared by different indices.

# off(action, contextopt)

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Remove event listener

Parameters:
Name Type Attributes Description
action function
context Object <optional>

# on(name, action, contextopt)

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Register event handler

Parameters:
Name Type Attributes Description
name string
action function
context Object <optional>

# once(name, action, contextopt)

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Register event, event will only be triggered once and then removed

Parameters:
Name Type Attributes Description
name string
action function
context Object <optional>

# removeAttribute(name)

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Remove attribute

Parameters:
Name Type Description
name string

# setTriangleIndices(idx, arr)

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Set indices of triangle at given index.

Parameters:
Name Type Description
idx number
arr Array.<number>

# success(action, contextopt)

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Alias of on('success')

Parameters:
Name Type Attributes Description
action function
context Object <optional>

# trigger(name)

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Trigger event

Parameters:
Name Type Description
name string

# updateBoundingBox()

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Update boundingBox of Geometry