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diff --git a/Client/ThirdParty/Box2D/testbed/tests/conveyor_belt.cpp b/Client/ThirdParty/Box2D/testbed/tests/conveyor_belt.cpp
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+++ b/Client/ThirdParty/Box2D/testbed/tests/conveyor_belt.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 "test.h"
+
+class ConveyorBelt : public Test
+{
+public:
+
+	ConveyorBelt()
+	{
+		// Ground
+		{
+			b2BodyDef bd;
+			b2Body* ground = m_world->CreateBody(&bd);
+
+			b2EdgeShape shape;
+			shape.SetTwoSided(b2Vec2(-20.0f, 0.0f), b2Vec2(20.0f, 0.0f));
+			ground->CreateFixture(&shape, 0.0f);
+		}
+
+		// Platform
+		{
+			b2BodyDef bd;
+			bd.position.Set(-5.0f, 5.0f);
+			b2Body* body = m_world->CreateBody(&bd);
+
+			b2PolygonShape shape;
+			shape.SetAsBox(10.0f, 0.5f);
+
+			b2FixtureDef fd;
+			fd.shape = &shape;
+			fd.friction = 0.8f;
+			m_platform = body->CreateFixture(&fd);
+		}
+
+		// Boxes
+		for (int32 i = 0; i < 5; ++i)
+		{
+			b2BodyDef bd;
+			bd.type = b2_dynamicBody;
+			bd.position.Set(-10.0f + 2.0f * i, 7.0f);
+			b2Body* body = m_world->CreateBody(&bd);
+
+			b2PolygonShape shape;
+			shape.SetAsBox(0.5f, 0.5f);
+			body->CreateFixture(&shape, 20.0f);
+		}
+	}
+
+	void PreSolve(b2Contact* contact, const b2Manifold* oldManifold) override
+	{
+		Test::PreSolve(contact, oldManifold);
+
+		b2Fixture* fixtureA = contact->GetFixtureA();
+		b2Fixture* fixtureB = contact->GetFixtureB();
+
+		if (fixtureA == m_platform)
+		{
+			contact->SetTangentSpeed(5.0f);
+		}
+
+		if (fixtureB == m_platform)
+		{
+			contact->SetTangentSpeed(-5.0f);
+		}
+	}
+
+	void Step(Settings& settings) override
+	{
+		Test::Step(settings);
+	}
+
+	static Test* Create()
+	{
+		return new ConveyorBelt;
+	}
+
+	b2Fixture* m_platform;
+};
+
+static int testIndex = RegisterTest("Examples", "Conveyor Belt", ConveyorBelt::Create);