import { Component } from "../../hierarchy_object/Component";
/**
 * enum for 4-directional movement
 */
export declare enum Direction {
    Up = 0,
    Down = 1,
    Left = 2,
    Right = 3
}
/**
 * component that has direction information for movement
 *
 * this component is used for 2d grid-based game
 */
export declare class Directable extends Component {
    private _direction;
    private _isMoving;
    /**
     * looking direction
     */
    get direction(): Direction;
    /**
     * looking direction
     */
    protected set direction(direction: Direction);
    /**
     * if this component is moving this value will be true
     */
    get isMoving(): boolean;
    /**
     * if this component is moving this value will be true
     */
    protected set isMoving(isMoving: boolean);
}