godot/scene/2d/collision_polygon_2d.h

/*************************************************************************/
/*  collision_polygon_2d.h                                               */
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef COLLISION_POLYGON_2D_H
#define COLLISION_POLYGON_2D_H

#include "scene/2d/node_2d.h"
#include "scene/resources/shape_2d.h"

class CollisionPolygon2D : public Node2D {

	OBJ_TYPE(CollisionPolygon2D, Node2D);

public:
	enum BuildMode {
		BUILD_SOLIDS,
		BUILD_SEGMENTS,
	};

protected:
	Rect2 aabb;
	BuildMode build_mode;
	Vector<Point2> polygon;
	bool trigger;
	bool unparenting;

	void _add_to_collision_object(Object *p_obj);
	void _update_xform_in_parent();
	void _update_parent();

	bool can_update_body;
	int shape_from;
	int shape_to;

	void _set_shape_range(const Vector2 &p_range);
	Vector2 _get_shape_range() const;

	Vector<Vector<Vector2> > _decompose_in_convex();

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

public:
	void set_trigger(bool p_trigger);
	bool is_trigger() const;

	void set_build_mode(BuildMode p_mode);
	BuildMode get_build_mode() const;

	void set_polygon(const Vector<Point2> &p_polygon);
	Vector<Point2> get_polygon() const;

	virtual Rect2 get_item_rect() const;

	int get_collision_object_first_shape() const { return shape_from; }
	int get_collision_object_last_shape() const { return shape_to; }

	virtual String get_configuration_warning() const;

	CollisionPolygon2D();
};

VARIANT_ENUM_CAST(CollisionPolygon2D::BuildMode);

#endif // COLLISION_POLYGON_2D_H