buckshotroulette-decomp/SpeakerController.gd

82 lines
1.6 KiB
GDScript

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