Double jump? +Jump sound?

scenes/player.gd

@@ -7,10 +7,16 @@ const MOVE_SPEED := 8.0
 const ACCELLERATION := 30.0
 const DECELLERATION := 40.0
 const JUMP_SPEED := 4.0
+const MAX_NUMBER_OF_JUMPS := 2
+
 var mouse_sensitivity := 0.005
 var rotation_x := 0.0
 var rotation_y := 0.0
 var cameraMoveMode := false
+var current_number_of_jumps := 0
+
+var jump_sound = preload("res://assets/audio/jump.ogg")
+var audio_player = AudioStreamPlayer.new()
 
 @export var camera_path: NodePath
 @onready var cam: Camera3D = get_node(camera_path) if camera_path != NodePath("") else null
@@ -21,6 +27,9 @@ func _ready() -> void:
 	angular_damp = 6.0
 	contact_monitor = true
 	max_contacts_reported = 4
+	add_child(audio_player)
+	audio_player.stream = jump_sound
+	audio_player.volume_db = -20
 	
 func _integrate_forces(state):
 	# Input as 2D vector
@@ -55,8 +64,10 @@ func _integrate_forces(state):
 			on_floor = true
 			break
 	
-	if on_floor and Input.is_action_just_pressed("ui_accept"):
+	if Input.is_action_just_pressed("ui_accept") and (on_floor or current_number_of_jumps == 1):
+		current_number_of_jumps = (current_number_of_jumps + 1) % 2
 		linear_velocity.y = JUMP_SPEED
+		audio_player.play()
 
 func _input(event):
 	if event is InputEventMouseButton: