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