extends "res://objects/enemy/enemy.gd"

export var move_speed: float = 0.0
export var clockwise: bool = false

onready var floor_test = Physics2DShapeQueryParameters.new()

var floor_direction = Vector2.DOWN

func _ready():
	if clockwise:
		$AnimatedSprite.flip_h = true
	floor_test.set_shape($FloorTestShape.shape)
	floor_test.collision_layer = 1

func _physics_process(delta):
	var rot_dir = -1.5708 if clockwise else 1.5708
	var space_state = get_world_2d().direct_space_state
	floor_test.transform = global_transform.translated(floor_direction)
	if space_state.collide_shape(floor_test, 1).empty():
		floor_direction = floor_direction.rotated(-rot_dir)
	position += floor_direction.rotated(rot_dir) * move_speed * delta