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Diffstat (limited to 'scene/2d/joint_2d.h')
| -rw-r--r-- | scene/2d/joint_2d.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/scene/2d/joint_2d.h b/scene/2d/joint_2d.h new file mode 100644 index 0000000000..e3cd600cbd --- /dev/null +++ b/scene/2d/joint_2d.h @@ -0,0 +1,151 @@ +/*************************************************************************/ +/* joint_2d.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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 JOINT_2D_H +#define JOINT_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; + bool configured = false; + String warning; + +protected: + void _disconnect_signals(); + void _body_exit_tree(); + void _update_joint(bool p_only_free = false); + + void _notification(int p_what); + virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) = 0; + + static void _bind_methods(); + + _FORCE_INLINE_ bool is_configured() const { return configured; } + +public: + virtual TypedArray<String> get_configuration_warnings() 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(); + ~Joint2D(); +}; + +class PinJoint2D : public Joint2D { + GDCLASS(PinJoint2D, Joint2D); + + real_t softness = 0.0; + +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_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 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_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 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 // JOINT_2D_H |