path_2d.h

/*************************************************************************/
/*  path_2d.h                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
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/*************************************************************************/
#ifndef PATH_2D_H
#define PATH_2D_H

#include "scene/resources/curve.h"
#include "scene/2d/node_2d.h"

class Path2D : public Node2D {

    OBJ_TYPE( Path2D, Node2D );

    Ref<Curve2D> curve;

    void _curve_changed();


protected:

    void _notification(int p_what);
    static void _bind_methods();
public:

    void set_curve(const Ref<Curve2D>& p_curve);
    Ref<Curve2D> get_curve() const;


    Path2D();
};



class PathFollow2D : public Node2D {

    OBJ_TYPE(PathFollow2D,Node2D);
public:


private:
    Path2D *path;
    real_t offset;
    real_t h_offset;
    real_t v_offset;
    real_t lookahead;
    bool cubic;
    bool loop;
    bool rotate;

    void _update_transform();


protected:

    bool _set(const StringName& p_name, const Variant& p_value);
    bool _get(const StringName& p_name,Variant &r_ret) const;
    void _get_property_list( List<PropertyInfo> *p_list) const;

    void _notification(int p_what);
    static void _bind_methods();
public:

    void set_offset(float p_offset);
    float get_offset() const;

    void set_h_offset(float p_h_offset);
    float get_h_offset() const;

    void set_v_offset(float p_v_offset);
    float get_v_offset() const;

    void set_unit_offset(float p_unit_offset);
    float get_unit_offset() const;

    void set_lookahead(float p_lookahead);
    float get_lookahead() const;

    void set_loop(bool p_loop);
    bool has_loop() const;

    void set_rotate(bool p_enabled);
    bool is_rotating() const;

    void set_cubic_interpolation(bool p_enable);
    bool get_cubic_interpolation() const;

    PathFollow2D();
};


#endif // PATH_2D_H