Documentation

Class: CylinderPrimitive

CylinderPrimitive

CylinderPrimitive provides a primitive cylinder Model.

new CylinderPrimitive(definition)

Parameters:
Name Type Description
definition

An object containing the following (optional) parameters:

  • numSegmentsW: The amount of horizontal segments
  • numSegmentsH: The amount of vertical segments
  • radius: The radius of the cylinder
  • height: The height of the cylinder
  • doubleSided: Whether or not the faces should point both ways
  • alignment: The axis along which to orient the cylinder. One of CylinderPrimitive#ALIGN_X, CylinderPrimitive#ALIGN_Y, CylinderPrimitive#ALIGN_Z
Author:
  • derschmale <http://www.derschmale.com>

Extends

Members

<static> ALIGN_X :number

The alignment dictates which access should be parallel to the sides of the cylinder

Type:
  • number

bounds

The object-space bounding volume. Setting this value only changes the type of volume.

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dynamicBounds

The object-space bounding volume. Setting this value only changes the type of volume.

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hasMorphData

Whether or not this Mesh supports morph target animations. This is the case if Mesh#generateMorphData was called.

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numIndices

The amount of face indices contained in the Mesh.

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numStreams

The amount of streams (vertex buffers) used for this Mesh/

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numVertexAttributes

The amount of vertex attributes contained in the Mesh.

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numVertices

The amount of vertices contained in the Mesh.

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Methods

addMorphTarget()

Adds a MorphTarget object for animators to work with.

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addVertexAttribute(name, numComponents, streamIndex, normalized)

Adds a named vertex attribute. All properties are given manually to make it easier to support multiple streams in the future.

Parameters:
Name Type Description
name

The name of the attribute, matching the attribute name used in the vertex shaders.
numComponents

The amount of components used by the attribute value.
streamIndex

[Optional] The stream index indicating which vertex buffer is used, defaults to 0
normalized

[Optional] Whether or not the input of the attribute should be normalized to [-1, 1]
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clone()

Returns a duplicate of this Mesh.

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extractAttributeData()

Extracts the vertex attribute data for the given attribute name as a flat Array.

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generateMorphData()

Generates the required data to support morph target animations.

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getIndexData()

Returns the index data uploaded to the index buffer.

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getMorphTarget(index)

Gets the morph target by name.

Parameters:
Name Type Description
index name

The name of the MorphTarget
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Returns:
Type
MorphTarget

getVertexAttributeByIndex()

Gets the vertex attribute data according to the index.

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getVertexAttributeByName()

Gets the vertex attribute data according to the attribute name.

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getVertexData()

Gets the vertex data for a given stream.

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getVertexStride()

Gets the vertex stride (number of components used per stream per vertex) for a given stream

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hasVertexAttribute()

Returns whether the Mesh has a vertex attribute with the given name.

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hasVertexData()

Returns whether or not vertex data was uploaded to the given stream index.

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removeMorphTarget()

Adds a MorphTarget object for animators to work with.

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setIndexData()

Uploads index data from an Array or a Uint16Array

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setVertexData()

Uploads vertex data from an Array or a Float32Array. This method must be called after the layout for the stream has been finalized using setVertexAttribute calls. The data in the stream should be an interleaved array of floats, with each attribute data in the order specified with the setVertexAttribute calls.

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