Function fade

fade(
    sound_name: string,
    from: number,
    to: number,
    duration: number,
    id?: number,
): void
Fade a currently playing sound between two volumes.
Parameters
- sound_name: string
  Audio clip name (case-sensitive).
- from: number
  Volume to fade from, 0.0..1.0.
- to: number
  Volume to fade to, 0.0..1.0.
- duration: number
  Fade time in milliseconds.
- Optionalid: number
  Sound instance ID. When omitted, all sounds in the group are faded.
Returns void
- Defined in packages/melonjs/src/audio/playback.ts:136