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Class IndexBuffer

Represents an index that is used to determine the order in which vertices are used to draw primitives. For example, if you have four vertices describing a rectangle in a clockwise order, you could describe it's two triangles as [0,3,2, 0,2,1].

Hierarchy

  • IndexBuffer

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

  • new IndexBuffer(_gl: WebGLRenderingContext, _data: Uint16Array | number[]): IndexBuffer

  • Creates a new index buffer instance

    Parameters

    • _gl: WebGLRenderingContext

      A rendering context

    • _data: Uint16Array | number[]

      If a normal array is passed in, it gets converted to an Uint16Array. Uint8 Arrays are not supported, as they come with performance caveats.

    Returns IndexBuffer

Properties

Protected _gl

_gl: WebGLRenderingContext

A rendering context

Private _handle

_handle: WebGLBuffer

Private _length

_length: number

Static Private _current

_current: WebGLBuffer

Accessors

length

  • get length(): number

type

  • get type(): number

  • The GL data type of the buffer. Always returns UNSIGNED_SHORT

    Returns number

webGlBuffer

  • get webGlBuffer(): WebGLBuffer

Methods

bind

  • bind(): void

  • Binds the buffer, if it is not currently bound

    Returns void

delete

  • delete(): void

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