godot/scene/2d/physics/joints/damped_spring_joint_2d.h

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C++

/**************************************************************************/
/* damped_spring_joint_2d.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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: */
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/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/**************************************************************************/
#ifndef DAMPED_SPRING_JOINT_2D_H
#define DAMPED_SPRING_JOINT_2D_H
#include "scene/2d/physics/joints/joint_2d.h"
class PhysicsBody2D;
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 void _configure_joint(RID p_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 // DAMPED_SPRING_JOINT_2D_H