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diff --git a/Client/ThirdParty/Box2D/testbed/tests/slider_crank_2.cpp b/Client/ThirdParty/Box2D/testbed/tests/slider_crank_2.cpp
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+// MIT License
+
+// Copyright (c) 2019 Erin Catto
+
+// 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.
+
+#include "settings.h"
+#include "test.h"
+
+// A motor driven slider crank with joint friction.
+
+class SliderCrank2 : public Test
+{
+public:
+	SliderCrank2()
+	{
+		b2Body* ground = NULL;
+		{
+			b2BodyDef bd;
+			ground = m_world->CreateBody(&bd);
+
+			b2EdgeShape shape;
+			shape.SetTwoSided(b2Vec2(-40.0f, 0.0f), b2Vec2(40.0f, 0.0f));
+			ground->CreateFixture(&shape, 0.0f);
+		}
+
+		{
+			b2Body* prevBody = ground;
+
+			// Define crank.
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(0.5f, 2.0f);
+
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.position.Set(0.0f, 7.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+
+				b2RevoluteJointDef rjd;
+				rjd.Initialize(prevBody, body, b2Vec2(0.0f, 5.0f));
+				rjd.motorSpeed = 1.0f * b2_pi;
+				rjd.maxMotorTorque = 10000.0f;
+				rjd.enableMotor = true;
+				m_joint1 = (b2RevoluteJoint*)m_world->CreateJoint(&rjd);
+
+				prevBody = body;
+			}
+
+			// Define follower.
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(0.5f, 4.0f);
+
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.position.Set(0.0f, 13.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+
+				b2RevoluteJointDef rjd;
+				rjd.Initialize(prevBody, body, b2Vec2(0.0f, 9.0f));
+				rjd.enableMotor = false;
+				m_world->CreateJoint(&rjd);
+
+				prevBody = body;
+			}
+
+			// Define piston
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(1.5f, 1.5f);
+
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.fixedRotation = true;
+				bd.position.Set(0.0f, 17.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+
+				b2RevoluteJointDef rjd;
+				rjd.Initialize(prevBody, body, b2Vec2(0.0f, 17.0f));
+				m_world->CreateJoint(&rjd);
+
+				b2PrismaticJointDef pjd;
+				pjd.Initialize(ground, body, b2Vec2(0.0f, 17.0f), b2Vec2(0.0f, 1.0f));
+
+				pjd.maxMotorForce = 1000.0f;
+				pjd.enableMotor = true;
+
+				m_joint2 = (b2PrismaticJoint*)m_world->CreateJoint(&pjd);
+			}
+
+			// Create a payload
+			{
+				b2PolygonShape shape;
+				shape.SetAsBox(1.5f, 1.5f);
+
+				b2BodyDef bd;
+				bd.type = b2_dynamicBody;
+				bd.position.Set(0.0f, 23.0f);
+				b2Body* body = m_world->CreateBody(&bd);
+				body->CreateFixture(&shape, 2.0f);
+			}
+		}
+	}
+
+	void Keyboard(int key) override
+	{
+		switch (key)
+		{
+		case GLFW_KEY_F:
+			m_joint2->EnableMotor(!m_joint2->IsMotorEnabled());
+			m_joint2->GetBodyB()->SetAwake(true);
+			break;
+
+		case GLFW_KEY_M:
+			m_joint1->EnableMotor(!m_joint1->IsMotorEnabled());
+			m_joint1->GetBodyB()->SetAwake(true);
+			break;
+		}
+	}
+
+	void Step(Settings& settings) override
+	{
+		Test::Step(settings);
+		g_debugDraw.DrawString(5, m_textLine, "Keys: (f) toggle friction, (m) toggle motor");
+		m_textLine += m_textIncrement;
+		float torque = m_joint1->GetMotorTorque(settings.m_hertz);
+		g_debugDraw.DrawString(5, m_textLine, "Motor Torque = %5.0f", (float) torque);
+		m_textLine += m_textIncrement;
+	}
+
+	static Test* Create()
+	{
+		return new SliderCrank2;
+	}
+
+	b2RevoluteJoint* m_joint1;
+	b2PrismaticJoint* m_joint2;
+};
+
+static int testIndex = RegisterTest("Examples", "Slider Crank 2", SliderCrank2::Create);