MeshIndexedLines

class cee.geo.MeshIndexedLines()

This class implements a Mesh for indexed lines.

Rather than defining each line directly as an array of vertices, an array containing each unique vertex in the part is defined. Then lines are defined by arrays of indices that refer to elements of this vertex array. This allows lines to share vertices, thus reducing the number of vertices.

Index

Constructors

• constructor

Accessors

• boundingBox
• indexArray
• primitiveCount
• primitiveType
• textureCoordinates
• vertexArray
• vertexCount

Methods

• getPrimitiveVertices
• rayIntersect

Constructors

cee.geo.MeshIndexedLines.constructor()

MeshIndexedLines(vertices: ArrayLike, indices: ArrayLike, optionalVertexData: OptionalIndexedLinesVertexData): MeshIndexedLines

Creates an indexed lines mesh with the given vertices and indices.

Parameters

vertices: ArrayLike

indices: ArrayLike

optionalVertexData: OptionalIndexedLinesVertexData

Returns: MeshIndexedLines

Accessors

cee.geo.MeshIndexedLines.boundingBox()

The BoundingBox of the mesh.

get boundingBox(): BoundingBox

Returns a copy of the BoundingBox of the mesh

Returns: BoundingBox

cee.geo.MeshIndexedLines.indexArray()

get indexArray(): ArrayLike

A readonly array containing the indices of the mesh

Returns: ArrayLike

cee.geo.MeshIndexedLines.primitiveCount()

The number of primitives in the mesh.

get primitiveCount(): number

The number of primitives in the mesh.

Returns: number

cee.geo.MeshIndexedLines.primitiveType()

The type of primitives that are used in the mesh.

get primitiveType(): MeshPrimitiveType

The type of primitives that are used in the mesh.

Returns: MeshPrimitiveType

cee.geo.MeshIndexedLines.textureCoordinates()

get textureCoordinates(): ArrayLike

A readonly array containing the 2d texture coordinates of the mesh

Returns: ArrayLike

cee.geo.MeshIndexedLines.vertexArray()

get vertexArray(): ArrayLike

A readonly array containing the vertices of the mesh

Returns: ArrayLike

cee.geo.MeshIndexedLines.vertexCount()

The number of vertices in the mesh.

get vertexCount(): number

The number of vertices in the mesh.

Returns: number

Methods

cee.geo.MeshIndexedLines.getPrimitiveVertices()

getPrimitiveVertices(primitiveIndex: number): Vec3[]

Returns a copy of the vertex indices of a given primitive.

Parameters

primitiveIndex: number

Returns: Vec3[]

cee.geo.MeshIndexedLines.rayIntersect()

rayIntersect(ray: Ray, hitItem: MeshHitItem): boolean

Performs picking on the mesh.

If a primitive was hit, the function returns true and populates the passed hitItem object with information about this primitive. It nothing was hit, returns false.

Parameters

ray: Ray

hitItem: MeshHitItem

Returns: boolean