generated from krampus/template-godot4
54 lines
1.5 KiB
GDScript3
54 lines
1.5 KiB
GDScript3
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class_name BallSFX extends Node3D
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## Controller for ball sound effects.
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const BASE_VOLUME := -36.0
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const MAX_VOLUME := 3.0
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const VELOCITY_ATTENUATION_SCALE := 400.0
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const GRASS_PHYSICAL_LAYER := 1 << 32
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const SAND_PHYSICAL_LAYER := 1 << 31
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@onready var parent: GameBall = $".."
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@onready var grass_sfx_player: AudioStreamPlayer3D = %GrassSFXPlayer
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@onready var concrete_sfx_player: AudioStreamPlayer3D = %ConcreteSFXPlayer
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@onready var sand_sfx_player: AudioStreamPlayer3D = %SandSFXPlayer
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func _force_attenuated_volume() -> float:
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# Attenuate volume based on impact force
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return lerpf(
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BASE_VOLUME,
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MAX_VOLUME,
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clampf(parent.linear_velocity.length_squared() / VELOCITY_ATTENUATION_SCALE, 0, 1)
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)
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func _play_sfx(player: AudioStreamPlayer3D) -> void:
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player.volume_db = _force_attenuated_volume()
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print("PLAYING: ", player, "... VOLUME: ", player.volume_db)
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player.play()
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func play_terrain_sfx(tex_id: int) -> void:
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var player := grass_sfx_player
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match tex_id:
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2: # sand
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player = sand_sfx_player
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3: # rock
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player = concrete_sfx_player
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_play_sfx(player)
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## Select the appropriate SFX to play based on the collision layer of the collider.
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##
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## We use the upper bits of the collision layer to indicate standard SFX.
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func play_physical_sfx(collision_mask: int) -> void:
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var player := concrete_sfx_player
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if collision_mask & GRASS_PHYSICAL_LAYER:
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player = grass_sfx_player
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elif collision_mask & SAND_PHYSICAL_LAYER:
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player = sand_sfx_player
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_play_sfx(player)
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