37 lines
1.2 KiB
GDScript
37 lines
1.2 KiB
GDScript
extends AudioStreamPlayer
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#@export var minimum_speed: float
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#@export var minimum_speed_hysteresis: float
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#@export var maximum_speed: float
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@export var speed_to_volume: Curve
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@export var speed_to_cutoff: Curve
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# for mapping the curves
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@export var max_speed: float = 50.0
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# for pausing playback to save resources and avoid quiet hum all the time
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@export var min_speed: float = 5.0
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@export var min_speed_hysteresis: float = 0.5
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@onready var audio_bus = AudioServer.get_bus_index("WindSFX")
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@onready var audio_filter : AudioEffectFilter = AudioServer.get_bus_effect(audio_bus,1)
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# Called when the node enters the scene tree for the first time.
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func _ready():
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speed_to_volume.bake()
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speed_to_cutoff.bake()
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func _physics_process(delta):
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var speed = get_parent().get_parent().motion_velocity.length()
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print("speed: ", speed)
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if speed > min_speed + min_speed_hysteresis / 2:
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stream_paused = false
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elif speed < min_speed - min_speed_hysteresis / 2:
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stream_paused = true
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volume_db = speed_to_volume.interpolate_baked(speed / max_speed)
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print(volume_db)
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audio_filter.cutoff_hz = speed_to_cutoff.interpolate_baked(speed / max_speed) * 10 # cnvert to 0-1 kHz range
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print(audio_filter.cutoff_hz)
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