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/*************************************************************************/
/* joints_2d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef JOINTS_2D_H
#define JOINTS_2D_H
#include "node_2d.h"
class PhysicsBody2D;
class Joint2D : public Node2D {
GDCLASS(Joint2D, Node2D);
RID joint;
RID ba, bb;
NodePath a;
NodePath b;
real_t bias = 0.0;
bool exclude_from_collision = true;
String warning;
protected:
void _disconnect_signals();
void _body_exit_tree(const ObjectID &p_body_id);
void _update_joint(bool p_only_free = false);
void _notification(int p_what);
virtual RID _configure_joint(PhysicsBody2D *body_a, PhysicsBody2D *body_b) = 0;
static void _bind_methods();
public:
virtual String get_configuration_warning() const override;
void set_node_a(const NodePath &p_node_a);
NodePath get_node_a() const;
void set_node_b(const NodePath &p_node_b);
NodePath get_node_b() const;
void set_bias(real_t p_bias);
real_t get_bias() const;
void set_exclude_nodes_from_collision(bool p_enable);
bool get_exclude_nodes_from_collision() const;
RID get_joint() const { return joint; }
Joint2D();
};
class PinJoint2D : public Joint2D {
GDCLASS(PinJoint2D, Joint2D);
real_t softness = 0.0;
protected:
void _notification(int p_what);
virtual RID _configure_joint(PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
static void _bind_methods();
public:
void set_softness(real_t p_softness);
real_t get_softness() const;
PinJoint2D();
};
class GrooveJoint2D : public Joint2D {
GDCLASS(GrooveJoint2D, Joint2D);
real_t length = 50.0;
real_t initial_offset = 25.0;
protected:
void _notification(int p_what);
virtual RID _configure_joint(PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
static void _bind_methods();
public:
void set_length(real_t p_length);
real_t get_length() const;
void set_initial_offset(real_t p_initial_offset);
real_t get_initial_offset() const;
GrooveJoint2D();
};
class DampedSpringJoint2D : public Joint2D {
GDCLASS(DampedSpringJoint2D, Joint2D);
real_t stiffness = 20.0;
real_t damping = 1.0;
real_t rest_length = 0.0;
real_t length = 50.0;
protected:
void _notification(int p_what);
virtual RID _configure_joint(PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
static void _bind_methods();
public:
void set_length(real_t p_length);
real_t get_length() const;
void set_rest_length(real_t p_rest_length);
real_t get_rest_length() const;
void set_damping(real_t p_damping);
real_t get_damping() const;
void set_stiffness(real_t p_stiffness);
real_t get_stiffness() const;
DampedSpringJoint2D();
};
#endif // JOINTS_2D_H
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