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https://github.com/love2d/love.git
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94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
/**
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* Copyright (c) 2006-2023 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "GearJoint.h"
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// Module
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#include "Body.h"
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#include "World.h"
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namespace love
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{
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namespace physics
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{
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namespace box2d
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{
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love::Type GearJoint::type("GearJoint", &Joint::type);
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GearJoint::GearJoint(Joint *joint1, Joint *joint2, float ratio, bool collideConnected)
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: Joint(joint1->body2, joint2->body2)
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, joint(NULL)
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{
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b2GearJointDef def;
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def.joint1 = joint1->joint;
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def.joint2 = joint2->joint;
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def.bodyA = joint1->body2->body;
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def.bodyB = joint2->body2->body;
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def.ratio = ratio;
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def.collideConnected = collideConnected;
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joint = (b2GearJoint *)createJoint(&def);
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}
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GearJoint::~GearJoint()
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{
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}
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void GearJoint::setRatio(float ratio)
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{
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joint->SetRatio(ratio);
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}
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float GearJoint::getRatio() const
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{
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return joint->GetRatio();
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}
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Joint *GearJoint::getJointA() const
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{
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b2Joint *b2joint = joint->GetJoint1();
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if (b2joint == nullptr)
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return nullptr;
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Joint *j = (Joint *) world->findObject(b2joint);
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if (j == nullptr)
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throw love::Exception("A joint has escaped Memoizer!");
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return j;
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}
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Joint *GearJoint::getJointB() const
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{
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b2Joint *b2joint = joint->GetJoint2();
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if (b2joint == nullptr)
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return nullptr;
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Joint *j = (Joint *) world->findObject(b2joint);
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if (j == nullptr)
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throw love::Exception("A joint has escaped Memoizer!");
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return j;
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}
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} // box2d
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} // physics
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} // love
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