maintenance: removed deprecated files, linux friendly include names

old/geometry.h

@@ -0,0 +1,54 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+#ifndef GeometryH
+#define GeometryH
+
+#include "GL/glew.h"
+#include "dumb3d.h"
+using namespace Math3D;
+//---------------------------------------------------------------------------
+
+class TPlane;
+
+class TLine
+{
+  public:
+    vector3 Vector, Point;
+    TLine();
+    TLine(vector3 NPoint, vector3 NVector);
+    ~TLine();
+    TPlane GetPlane();
+    double GetDistance(vector3 Point1);
+};
+
+//---------------------------------------------------------------------------
+
+class TPlane
+{
+  public:
+    vector3 Vector;
+    double d;
+    TPlane();
+    TPlane(vector3 NVector, double nd);
+    TPlane(vector3 NPoint, vector3 NVector);
+    TPlane(vector3 Point1, vector3 Vector1, vector3 Vector2);
+    ~TPlane();
+    void Normalize();
+    double GetSide(vector3 Point);
+    //    void Transform(D3DMATRIX &Transformations);
+    bool Defined();
+};
+
+//---------------------------------------------------------------------------
+
+inline double Sum(vector3 &Vector);
+bool CrossPoint(vector3 &RetPoint, TLine &Line, TPlane &Plane);
+
+//---------------------------------------------------------------------------
+#endif