Improved footstep detection

client/player/audio/AudioComponent.gd

@@ -4,49 +4,47 @@ extends Node
 @export var skeleton: Skeleton3D
 @export var movement: MovementComponent
 @export var footsteps: Array[AudioStream]
-@export var raise_threshold := 0.25
-@export var step_threshold := 0.15
+@export var step_threshold := 0.1
 
-var feet_names := ["LeftFoot", "RightFoot"]
-var feet := []
-var feet_audio := []
-var feet_raised := []
-var feet_position := []
+const feet_names := ["LeftFoot", "RightFoot"]
+
+var feet: Array[Foot] = []
 
 func _ready():
 	for foot_name in feet_names:
-		var bone_id := skeleton.find_bone(foot_name)
-		var audio := get_node(foot_name)
+		var foot = Foot.new()
+		foot.bone_name = foot_name
+		foot.bone_id = skeleton.find_bone(foot_name)
+		foot.audio = get_node(foot_name)
+		foot.position = skeleton.to_global(skeleton.get_bone_global_pose(foot.bone_id).origin)
+		foot.attachment = BoneAttachment3D.new()
+		foot.attachment.bone_name = foot_name
+		foot.attachment.bone_idx = foot.bone_id
+		foot.audio.reparent(foot.attachment)
+		skeleton.add_child(foot.attachment)
+		feet.append(foot)
 
-		feet.append(bone_id)
-		feet_audio.append(audio)
-		feet_raised.append(false)
-		feet_position.append(Vector3.ZERO)
+func _process(delta: float):
+	for foot in feet:
+		var old_position := foot.position
+		foot.position = skeleton.to_global(skeleton.get_bone_global_pose(foot.bone_id).origin)
+		foot.velocity = (foot.position - old_position) / delta
 
-		var attachment := BoneAttachment3D.new()
-		attachment.bone_name = foot_name
-		attachment.bone_idx = bone_id
-		audio.reparent(attachment)
-		skeleton.add_child(attachment)
-
-func _process(_delta):
-	print()
-	for i in range(feet.size()):
-		feet_position[i] = skeleton.get_bone_global_pose(feet[i]).origin
-		print(feet_position[i].y)
-
-		if feet_position[i].y > raise_threshold:
-			feet_raised[i] = true
-	
-	if !movement.body.is_on_floor():
-		return
-	
-	for i in range(feet.size()):
-		if feet_raised[i] && feet_position[i].y < step_threshold:
-			play(feet_audio[i])
-			feet_raised[i] = false
+		if foot.position.y > step_threshold:
+			continue
+		
+		if foot.velocity.y > 0:
+			continue
+		
+		if foot.velocity.length_squared() < 1.0:
+			continue
+		
+		if foot.audio.playing && foot.audio.get_playback_position() < 0.3:
+			continue
+		
+		play(foot.audio)
 
 func play(audio_player: AudioStreamPlayer3D):
 	audio_player.stream = footsteps[randi_range(0, footsteps.size()-1)]
 	audio_player.pitch_scale = randf_range(0.9, 1.1)
-	audio_player.play()
+	audio_player.play()

client/player/audio/Foot.gd

@@ -0,0 +1,8 @@
+class_name Foot
+
+var bone_name: String
+var bone_id: int
+var audio: AudioStreamPlayer3D
+var position: Vector3
+var velocity: Vector3
+var attachment: BoneAttachment3D