Class GeometrySystem

constructor

• new GeometrySystem(renderer: Renderer): GeometrySystem

  Parameters

  • renderer: Renderer

    The renderer this System works for.

  Returns GeometrySystem

ReadonlycanUseUInt32ElementIndex

ReadonlyhasInstance

ReadonlyhasVao

ReadonlymanagedGeometries

bind

• bind(geometry?: Geometry, shader?: Shader): void

  Binds geometry so that is can be drawn. Creating a Vao if required

  Parameters

  • Optionalgeometry: Geometry

    Instance of geometry to bind.

  • Optionalshader: Shader

    Instance of shader to use vao for.

  Returns void

destroy

• destroy(): void

  Generic destroy methods to be overridden by the subclass

  Returns void

disposeAll

• disposeAll(contextLost?: boolean): void

  Dispose all WebGL resources of all managed geometries.

  Parameters

  • OptionalcontextLost: boolean

    If context was lost, we suppress gl.delete calls

  Returns void

disposeGeometry

• disposeGeometry(geometry: Geometry, contextLost?: boolean): void

  Disposes geometry.

  Parameters

  • geometry: Geometry

    Geometry with buffers. Only VAO will be disposed

  • OptionalcontextLost: boolean

    If context was lost, we suppress deleteVertexArray

  Returns void

draw

• draw(
      type: DRAW_MODES,
      size?: number,
      start?: number,
      instanceCount?: number,
  ): this

  Draws the currently bound geometry.

  Parameters

  • type: DRAW_MODES

    The type primitive to render.

  • Optionalsize: number

    The number of elements to be rendered. If not specified, all vertices after the starting vertex will be drawn.

  • Optionalstart: number

    The starting vertex in the geometry to start drawing from. If not specified, drawing will start from the first vertex.

  • OptionalinstanceCount: number

    The number of instances of the set of elements to execute. If not specified, all instances will be drawn.

  Returns this

reset

• reset(): void

  Reset and unbind any active VAO and geometry.

  Returns void

updateBuffers

• updateBuffers(): void

  Update buffers of the currently bound geometry.

  Returns void