Class GameplayNoteSelector

Note selection + playback helper.

Responsibility:

Select a scale/key and emit a short percussive note.

Side effects:

Plays audio via Tone.js.
If no explicit selection is provided, reads from the DOM ([data-selected-scale], [data-selected-key]).

Units:

Notes are frequencies in Hz.

Index

Constructors

Methods

Constructors

constructor

new GameplayNoteSelector(): GameplayNoteSelector
Returns GameplayNoteSelector

Methods

playNote

playNote(selection?: { key: string; scaleName: string }): void
Plays a note using the provided selection.

Invariants:
- When selection is omitted, scale/key are read from the DOM and default to Major/C.
- Unknown scale names fall back to Major.
Parameters
- Optionalselection: { key: string; scaleName: string }
  Optional explicit selection (key and scaleName).
Returns void
- Defined in frontend/ts/games/helpers/GameplayNoteSelector.ts:241