82 lines
1.6 KiB
GDScript3
82 lines
1.6 KiB
GDScript3
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class_name SpeakerController extends Node
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@export var fadeDuration : float
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@export var fadeDuration_pitch : float
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@export var lowestPitchValue : float
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var speaker : AudioStreamPlayer2D
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var elapsed = 0
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var elapsed_pitch = 0
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var moving = false
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var moving_pitch = false
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var originalVolumeDB : float
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var originalPitch : float
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var currentPitch : float
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var nextPitch : float
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var currentVolume : float
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var nextVolume : float
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func _ready():
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speaker = self.get_parent()
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originalVolumeDB = speaker.volume_db
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originalPitch = speaker.pitch_scale
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func _process(delta):
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LerpVolume()
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LerpPitch()
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func SnapVolume(state : bool):
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moving = false
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if (state): speaker.volume_db = originalVolumeDB
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else: speaker.volume_db = linear_to_db(0)
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func BeginPitchShift(pitchFrom : float, pitchTo : float):
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moving_pitch = false
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elapsed_pitch = 0
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currentPitch = pitchFrom
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nextPitch = pitchTo
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moving_pitch = true
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func FadeIn():
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elapsed = 0
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currentVolume = db_to_linear(speaker.volume_db)
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nextVolume = db_to_linear(originalVolumeDB)
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moving = true
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func FadeOut():
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elapsed = 0
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currentVolume = db_to_linear(speaker.volume_db)
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nextVolume = 0
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moving = true
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func LerpVolume():
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if (moving):
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elapsed += get_process_delta_time()
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var c = clampf(elapsed / fadeDuration, 0.0, 1.0)
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var vol = lerpf(currentVolume, nextVolume, c)
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speaker.volume_db = linear_to_db(vol)
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func LerpPitch():
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if (moving_pitch):
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elapsed_pitch += get_process_delta_time()
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var c = clampf(elapsed_pitch / fadeDuration_pitch, 0.0, 1.0)
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c = ease(c, 0.4)
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var pitch = lerpf(currentPitch, nextPitch, c)
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speaker.pitch_scale = pitch
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