Function getAllNotePositionsInChart

getAllNotePositionsInChart(
    chart: RpeJson,
    beat: number,
    chartFlipping?: number,
): { lineIndex: number; noteIndex: number; position: NotePosition }[]
Get the positions of ALL notes across ALL lines at a specific beat.
Parameters
- chart: RpeJson
  The parsed RPE chart.
- beat: number
  Current beat.
- chartFlipping: number = 0
  Chart flipping flags.
Returns { lineIndex: number; noteIndex: number; position: NotePosition }[]
Array of {lineIndex, noteIndex, position}.
- Defined in position.ts:444