diff --git a/sources/reactphysics3d/engine/Euler.cpp b/sources/reactphysics3d/engine/Euler.cpp
deleted file mode 100644
index 38614711..00000000
--- a/sources/reactphysics3d/engine/Euler.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/****************************************************************************
- * Copyright (C) 2009 Daniel Chappuis *
- ****************************************************************************
- * This file is part of ReactPhysics3D. *
- * *
- * ReactPhysics3D is free software: you can redistribute it and/or modify *
- * it under the terms of the GNU Lesser General Public License as published *
- * by the Free Software Foundation, either version 3 of the License, or *
- * (at your option) any later version. *
- * *
- * ReactPhysics3D is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU Lesser General Public License for more details. *
- * *
- * You should have received a copy of the GNU Lesser General Public License *
- * along with ReactPhysics3D. If not, see . *
- ***************************************************************************/
-
-// Libraries
-#include "Euler.h"
-
-// We want to use the ReactPhysics3D namespace
-using namespace reactphysics3d;
-
-// Constructor
-Euler::Euler() {
-
-}
-
-// Copy-constructor
-Euler::Euler(const Euler& euler) {
-
-}
-
-// Destructor
-Euler::~Euler() {
-
-}
-
-// Integrate a body state over time. This method use the Euler integration algorithm
-void Euler::integrate(BodyState& bodyState, const Time& time, const Time& timeStep) {
- double dt = timeStep.getValue(); // Timestep
-
- // Compute the integrated body state
- bodyState.setPosition(bodyState.getPosition() + bodyState.getLinearVelocity() * dt);
- bodyState.setLinearMomentum(bodyState.getLinearMomentum() + bodyState.computeForce(time) * dt);
- bodyState.setOrientation(bodyState.getOrientation() + bodyState.getSpin() * dt);
- bodyState.setAngularMomentum(bodyState.getAngularMomentum() + bodyState.computeTorque(time) * dt);
-
- // Recalculate the secondary values of the body state
- bodyState.recalculate();
-}
diff --git a/sources/reactphysics3d/engine/Euler.h b/sources/reactphysics3d/engine/Euler.h
deleted file mode 100644
index 71edade4..00000000
--- a/sources/reactphysics3d/engine/Euler.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/****************************************************************************
-* Copyright (C) 2009 Daniel Chappuis *
-****************************************************************************
-* This file is part of ReactPhysics3D. *
-* *
-* ReactPhysics3D is free software: you can redistribute it and/or modify *
-* it under the terms of the GNU Lesser General Public License as published *
-* by the Free Software Foundation, either version 3 of the License, or *
-* (at your option) any later version. *
-* *
-* ReactPhysics3D is distributed in the hope that it will be useful, *
-* but WITHOUT ANY WARRANTY; without even the implied warranty of *
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
-* GNU Lesser General Public License for more details. *
-* *
-* You should have received a copy of the GNU Lesser General Public License *
-* along with ReactPhysics3D. If not, see . *
-***************************************************************************/
-
-#ifndef EULER_H
-#define EULER_H
-
-// Libraries
-#include "IntegrationAlgorithm.h"
-#include "../body/BodyState.h"
-#include "../body/DerivativeBodyState.h"
-
-// Namespace ReactPhysics3D
-namespace reactphysics3d {
-
-/* -------------------------------------------------------------------
- Class Euler :
- This class will be used to solve the differential equation of
- movement by integrating a body state. This class implements
- the Euler algorithm. It's important to undersand that Euler
- algorithm should be used only for testing purpose because the
- Euler algorithm is not a good one.
- -------------------------------------------------------------------
-*/
-class Euler : public IntegrationAlgorithm {
- private :
-
- public :
- Euler(); // Constructor
- Euler(const Euler& euler); // Copy-constructor
- virtual ~Euler(); // Destructor
-
- void integrate(BodyState& bodyState, const Time& t, const Time& dt); // Integrate a body state over time
-};
-
-}
-
-#endif
diff --git a/sources/reactphysics3d/engine/IntegrationAlgorithm.cpp b/sources/reactphysics3d/engine/IntegrationAlgorithm.cpp
deleted file mode 100644
index 9490229b..00000000
--- a/sources/reactphysics3d/engine/IntegrationAlgorithm.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-/****************************************************************************
-* Copyright (C) 2009 Daniel Chappuis *
-****************************************************************************
-* This file is part of ReactPhysics3D. *
-* *
-* ReactPhysics3D is free software: you can redistribute it and/or modify *
-* it under the terms of the GNU Lesser General Public License as published *
-* by the Free Software Foundation, either version 3 of the License, or *
-* (at your option) any later version. *
-* *
-* ReactPhysics3D is distributed in the hope that it will be useful, *
-* but WITHOUT ANY WARRANTY; without even the implied warranty of *
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
-* GNU Lesser General Public License for more details. *
-* *
-* You should have received a copy of the GNU Lesser General Public License *
-* along with ReactPhysics3D. If not, see . *
-***************************************************************************/
-
-// Libraries
-#include "IntegrationAlgorithm.h"
-
-// Namespace
-using namespace reactphysics3d;
-
-// Constructor
-IntegrationAlgorithm::IntegrationAlgorithm() {
-
-}
-
-// Destructor
-IntegrationAlgorithm::~IntegrationAlgorithm() {
-
-}
diff --git a/sources/reactphysics3d/engine/IntegrationAlgorithm.h b/sources/reactphysics3d/engine/IntegrationAlgorithm.h
deleted file mode 100644
index 669fec5c..00000000
--- a/sources/reactphysics3d/engine/IntegrationAlgorithm.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/****************************************************************************
-* Copyright (C) 2009 Daniel Chappuis *
-****************************************************************************
-* This file is part of ReactPhysics3D. *
-* *
-* ReactPhysics3D is free software: you can redistribute it and/or modify *
-* it under the terms of the GNU Lesser General Public License as published *
-* by the Free Software Foundation, either version 3 of the License, or *
-* (at your option) any later version. *
-* *
-* ReactPhysics3D is distributed in the hope that it will be useful, *
-* but WITHOUT ANY WARRANTY; without even the implied warranty of *
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
-* GNU Lesser General Public License for more details. *
-* *
-* You should have received a copy of the GNU Lesser General Public License *
-* along with ReactPhysics3D. If not, see . *
-***************************************************************************/
-
-#ifndef INTEGRATIONALGORITHM_H
-#define INTEGRATIONALGORITHM_H
-
-// Libraries
-#include "../body/BodyState.h"
-#include "../physics/physics.h"
-
-// ReactPhysics3D namespace
-namespace reactphysics3d {
-
-class IntegrationAlgorithm {
- private :
-
- public :
- IntegrationAlgorithm(); // Constructor
- virtual ~IntegrationAlgorithm(); // Destructor
-
- virtual void integrate(BodyState& bodyState, const Time& t, const Time& dt)=0; // Integrate a body state over time
-};
-
-} // End of the ReactPhysics3D namespace
-
-#endif