Added airborne locomotion state

modules/actors/player/scripts/states/airborne.gd

@@ -0,0 +1,23 @@
+extends LocomotionState
+
+@onready var locomotion: CharacterBody3D = $"../../Locomotion"
+@onready var player: Node3D = $"../.."
+@onready var head: Node3D = $"../../Locomotion/Head"
+
+var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
+
+func physics_update(delta: float) -> void:
+	if locomotion.is_on_floor():
+		if Input.is_action_pressed("duck"):
+			transition.emit("Ducking")
+			return
+		
+		transition.emit("Running")
+		return
+	
+	locomotion.velocity.y -= gravity * delta
+	
+	player.process_input()
+	locomotion.velocity = locomotion.update_velocity(delta, false)
+	
+	locomotion.move_and_slide()