add attack swoosh effect

scripts/projectiles/projectile.gd

@@ -1,6 +1,8 @@
 class_name Projectile
 extends AnimatableBody3D
 
+const HEIGHT: float = 1
+
 @export var _collision_debug_material: Material
 
 var _start_position: Vector3
@@ -16,6 +18,7 @@ func _ready() -> void:
 	_life_timer = _lifetime
 	_debug_collision_shapes.init(get_children(), self, _collision_debug_material)
 	global_position = _start_position
+	global_position.y = HEIGHT
 
 
 func _physics_process(delta: float) -> void: