Class VertexArray

constructor

• new VertexArray(
      program: Program,
      attributes?: AttributeMap,
      ebo?: ElementBuffer,
  ): VertexArray

  Create a VAO.

  Parameters

  • program: Program

    The shader program associated with the VAO.
  • Optionalattributes: AttributeMap

    The attributes to attach to the VAO.
  • Optionalebo: ElementBuffer

    The element buffer object to attach to the VAO.

  Returns VertexArray

  Throws

  BadValueError if an attribute is passed undefined as a value or if an unknown attribute is specified.

  See

  createVertexArray

Readonlyprogram

ebo

• get ebo(): undefined | ElementBuffer

  The element buffer object that is attached to this VAO.

  Returns undefined | ElementBuffer
• set ebo(value: undefined | ElementBuffer): void

  Parameters

  • value: undefined | ElementBuffer

  Returns void

draw

• draw(
      uniforms?: UniformMap,
      primitive?: Primitive,
      offset?: number,
      framebuffer?: null | Framebuffer,
      countOverride?: undefined | number,
  ): void

  Rasterize the vertex data contained within this VAO.

  Parameters

  • Optionaluniforms: UniformMap

    A collection of uniform values to set prior to rasterization.
  • primitive: Primitive = Primitive.TRIANGLES

    The type of primitive to rasterize.
  • offset: number = 0

    The number of elements to skip when rasterizing arrays, or the number of indices to skip when rasterizing elements.
  • framebuffer: null | Framebuffer = null

    The framebuffer to rasterize to, or null for the default framebuffer (canvas).
  • countOverride: undefined | number = ...

    The number of indices or elements to be rendered. Automatically renders all supplied data if undefined.

  Returns void

  See

  • drawArrays
  • drawElements

  Throws

  BadValueError if a uniform is passed undefined as a value or if an unknown uniform is specified.

getAttribute

• getAttribute(name: string): undefined | VertexBuffer

  Get the value of an attribute in this VAO.

  Parameters

  • name: string

    The name of the attribute.

  Returns undefined | VertexBuffer

  The vertex buffer that is bound to the specified attribute.

setAttribute

• setAttribute(name: string, value: VertexBuffer | AttributeValue): void

  Set the value of an attribute in this VAO.

  Parameters

  • name: string

    The name of the attribute.
  • value: VertexBuffer | AttributeValue

    The value to pass to the attribute.

  Returns void

  Throws

  BadValueError if an unknown attribute is specified.