Plane class.

src/plane.h

@@ -0,0 +1,56 @@
+// plane.h
+// 
+// Copyright (C) 2000, Chris Laurel <claurel@shatters.net>
+//
+// 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 2
+// of the License, or (at your option) any later version.
+
+#ifndef _PLANE_H_
+#define _PLANE_H_
+
+#include "celestia.h"
+#include "mathlib.h"
+#include "vecmath.h"
+
+
+template<class T> class Plane
+{
+ public:
+    inline Plane();
+    inline Plane(const Plane<T>&);
+    inline Plane(const Vector3<T>&, T);
+    inline Plane(const Vector3<T>&, const Point3<T>&);
+
+ public:
+    Vector3<T> normal;
+    T d;
+};
+
+
+typedef Plane<float> Planef;
+typedef Plane<double> Planed;
+
+
+template<class T> Plane<T>::Plane() : normal(0, 0, 1), d(0)
+{
+}
+
+template<class T> Plane<T>::Plane(const Plane<T>& p) :
+    normal(p.normal), d(p.d)
+{
+}
+
+template<class T> Plane<T>::Plane(const Vector3<T>& _normal, T _d) :
+    normal(_normal), d(_d)
+{
+}
+
+template<class T> Plane<T>::Plane(const Vector3<T>& _normal, const Point3<T>& _point) :
+    normal(_normal)
+{
+    d = _normal.x * _point.x + _normal.y * _point.y + _normal.z * _point.z;
+}
+
+#endif // _PLANE_H_