152 lines
4.8 KiB
C++
152 lines
4.8 KiB
C++
/**************************************************************************/
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/* joint_2d.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef JOINT_2D_H
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#define JOINT_2D_H
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#include "node_2d.h"
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class PhysicsBody2D;
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class Joint2D : public Node2D {
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GDCLASS(Joint2D, Node2D);
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RID joint;
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RID ba, bb;
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NodePath a;
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NodePath b;
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real_t bias = 0.0;
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bool exclude_from_collision = true;
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bool configured = false;
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String warning;
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protected:
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void _disconnect_signals();
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void _body_exit_tree();
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void _update_joint(bool p_only_free = false);
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) = 0;
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static void _bind_methods();
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_FORCE_INLINE_ bool is_configured() const { return configured; }
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public:
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virtual PackedStringArray get_configuration_warnings() const override;
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void set_node_a(const NodePath &p_node_a);
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NodePath get_node_a() const;
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void set_node_b(const NodePath &p_node_b);
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NodePath get_node_b() const;
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void set_bias(real_t p_bias);
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real_t get_bias() const;
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void set_exclude_nodes_from_collision(bool p_enable);
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bool get_exclude_nodes_from_collision() const;
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RID get_rid() const { return joint; }
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Joint2D();
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~Joint2D();
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};
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class PinJoint2D : public Joint2D {
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GDCLASS(PinJoint2D, Joint2D);
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real_t softness = 0.0;
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protected:
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
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static void _bind_methods();
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public:
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void set_softness(real_t p_softness);
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real_t get_softness() const;
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PinJoint2D();
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};
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class GrooveJoint2D : public Joint2D {
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GDCLASS(GrooveJoint2D, Joint2D);
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real_t length = 50.0;
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real_t initial_offset = 25.0;
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protected:
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
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static void _bind_methods();
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public:
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void set_length(real_t p_length);
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real_t get_length() const;
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void set_initial_offset(real_t p_initial_offset);
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real_t get_initial_offset() const;
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GrooveJoint2D();
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};
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class DampedSpringJoint2D : public Joint2D {
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GDCLASS(DampedSpringJoint2D, Joint2D);
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real_t stiffness = 20.0;
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real_t damping = 1.0;
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real_t rest_length = 0.0;
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real_t length = 50.0;
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protected:
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
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static void _bind_methods();
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public:
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void set_length(real_t p_length);
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real_t get_length() const;
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void set_rest_length(real_t p_rest_length);
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real_t get_rest_length() const;
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void set_damping(real_t p_damping);
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real_t get_damping() const;
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void set_stiffness(real_t p_stiffness);
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real_t get_stiffness() const;
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DampedSpringJoint2D();
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};
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#endif // JOINT_2D_H
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