FrictionJointConf.cpp
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1 /*
2  * Original work Copyright (c) 2006-2011 Erin Catto http://www.box2d.org
3  * Modified work Copyright (c) 2017 Louis Langholtz https://github.com/louis-langholtz/PlayRho
4  *
5  * This software is provided 'as-is', without any express or implied
6  * warranty. In no event will the authors be held liable for any damages
7  * arising from the use of this software.
8  *
9  * Permission is granted to anyone to use this software for any purpose,
10  * including commercial applications, and to alter it and redistribute it
11  * freely, subject to the following restrictions:
12  *
13  * 1. The origin of this software must not be misrepresented; you must not
14  * claim that you wrote the original software. If you use this software
15  * in a product, an acknowledgment in the product documentation would be
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18  * misrepresented as being the original software.
19  * 3. This notice may not be removed or altered from any source distribution.
20  */
21 
22 #include <PlayRho/Dynamics/Joints/FrictionJoint.hpp>
23 #include <PlayRho/Dynamics/Body.hpp>
24 
25 namespace playrho {
26 namespace d2 {
27 
28 FrictionJointConf::FrictionJointConf(Body* bA, Body* bB, const Length2 anchor) noexcept:
29  super{super{JointType::Friction}.UseBodyA(bA).UseBodyB(bB)},
30  localAnchorA{GetLocalPoint(*bA, anchor)},
31  localAnchorB{GetLocalPoint(*bB, anchor)}
32 {
33  // Intentionally empty.
34 }
35 
36 FrictionJointConf GetFrictionJointConf(const FrictionJoint& joint) noexcept
37 {
38  auto def = FrictionJointConf{};
39 
40  Set(def, joint);
41 
42  def.localAnchorA = joint.GetLocalAnchorA();
43  def.localAnchorB = joint.GetLocalAnchorB();
44  def.maxForce = joint.GetMaxForce();
45  def.maxTorque = joint.GetMaxTorque();
46 
47  return def;
48 }
49 
50 } // namespace d2
51 } // namespace playrho