Method constructor

packages/core/src/Interpolation.ts:51–64

(
    /** The source of input values */
    readonly source: unknown,
    args: InterpolatorArgs<Input, Output>
  )

  protected _active = new Set<FluidValue>()

  constructor(
    /** The source of input values */
    readonly source: unknown,
    args: InterpolatorArgs<Input, Output>
  ) {
    super()
    this.calc = createInterpolator(...args)

    const value = this._get()
    const nodeType = getAnimatedType(value)

    // Assume the computed value never changes type.
    setAnimated(this, nodeType.create(value))
  }

  advance(_dt?: number) {
    const value = this._get()