diff -r 67ba0ee049eb -r 4949da3fb4b3 src/ldObjectMath.cpp
--- a/src/ldObjectMath.cpp	Wed Feb 17 00:43:17 2016 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,117 +0,0 @@
-/*
- *  LDForge: LDraw parts authoring CAD
- *  Copyright (C) 2013 - 2016 Teemu Piippo
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program 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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "ldObjectMath.h"
-#include "ldObject.h"
-#include "miscallenous.h"
-
-
-MathFunctions::MathFunctions(QObject* parent) :
-	HierarchyElement(parent) {}
-
-
-void MathFunctions::rotateVertex(Vertex& vertex, const Vertex& rotationPoint, const Matrix& transformationMatrix) const
-{
-	vertex -= rotationPoint;
-	vertex.transform (transformationMatrix, Origin);
-	vertex += rotationPoint;
-}
-
-
-void MathFunctions::rotateObjects(int l, int m, int n, double angle, const LDObjectList& objects) const
-{
-	Vertex rotationPoint = getRotationPoint (objects);
-	double cosAngle = cos(angle);
-	double sinAngle = sin(angle);
-
-	// ref: http://en.wikipedia.org/wiki/Transformation_matrix#Rotation_2
-	Matrix transformationMatrix (
-	{
-		(l * l * (1 - cosAngle)) + cosAngle,
-		(m * l * (1 - cosAngle)) - (n * sinAngle),
-		(n * l * (1 - cosAngle)) + (m * sinAngle),
-
-		(l * m * (1 - cosAngle)) + (n * sinAngle),
-		(m * m * (1 - cosAngle)) + cosAngle,
-		(n * m * (1 - cosAngle)) - (l * sinAngle),
-
-		(l * n * (1 - cosAngle)) - (m * sinAngle),
-		(m * n * (1 - cosAngle)) + (l * sinAngle),
-		(n * n * (1 - cosAngle)) + cosAngle
-	});
-
-	// Apply the above matrix to everything
-	for (LDObject* obj : objects)
-	{
-		if (obj->numVertices())
-		{
-			for (int i = 0; i < obj->numVertices(); ++i)
-			{
-				Vertex v = obj->vertex (i);
-				rotateVertex(v, rotationPoint, transformationMatrix);
-				obj->setVertex (i, v);
-			}
-		}
-		else if (obj->hasMatrix())
-		{
-			LDMatrixObject* mo = dynamic_cast<LDMatrixObject*> (obj);
-
-			// Transform the position
-			Vertex v = mo->position();
-			rotateVertex(v, rotationPoint, transformationMatrix);
-			mo->setPosition (v);
-
-			// Transform the matrix
-			mo->setTransform(transformationMatrix * mo->transform());
-		}
-	}
-}
-
-
-Vertex MathFunctions::getRotationPoint(const LDObjectList& objs) const
-{
-	switch (RotationPoint (m_config->rotationPointType()))
-	{
-	case RotationPoint::ObjectOrigin:
-		{
-			BoundingBox box;
-
-			// Calculate center vertex
-			for (LDObject* obj : objs)
-			{
-				if (obj->hasMatrix())
-					box << static_cast<LDMatrixObject*> (obj)->position();
-				else
-					box << obj;
-			}
-
-			return box.center();
-		}
-
-	case RotationPoint::WorldOrigin:
-		return Vertex();
-
-	case RotationPoint::CustomPoint:
-		return m_config->customRotationPoint();
-
-	case RotationPoint::NumValues:
-		break;
-	}
-
-	return Vertex();
-}
\ No newline at end of file