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- class_name PianoKey
- extends Control
- var pitch_scale: float
- @onready var key: ColorRect = $Key
- @onready var start_color: Color = key.color
- @onready var color_timer: Timer = $ColorTimer
- func setup(pitch_index: int):
- name = "PianoKey" + str(pitch_index)
- var exponent := (pitch_index - 69.0) / 12.0
- pitch_scale = pow(2, exponent)
- func activate():
- key.color = (Color.YELLOW + start_color) / 2
- var audio := AudioStreamPlayer.new()
- add_child(audio)
- audio.stream = preload("res://piano_keys/A440.wav")
- audio.pitch_scale = pitch_scale
- audio.play()
- color_timer.start()
- await get_tree().create_timer(8.0).timeout
- audio.queue_free()
- func deactivate():
- key.color = start_color
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