TorusGenerator.h

#ifndef TORUS_GENERATOR_
#define TORUS_GENERATOR_

#include <stdio.h>

#include "GroupObject.h"
#include "RawObject.h"
#include "TerminalObject.h"
#include "DLODObject.h"


class TorusGenerator
{
public:
        static GraphicalObject * CreateTorus (RawObject * raw_object, double r_t, double r_p, int rings, int slices);

        static GraphicalObject * CreateTorus (DLODObject * dlod_object,  double r_t, double r_p, int rings, int slices);

        static bool HasMore ();

        static void StartTorus (double r_t, double r_p, int rings, int slices);

        static Point GetNextPoint ();

private:
        static int ring_index;
        static int slice_index;
        static double r_t;
        static double r_p;
        static int rings;
        static int slices;

        static GraphicalObject * CreateRings (RawObject * raw_object, double r_t, double r_p, double min_t, double max_t, int rings, int slices);

        static GraphicalObject * CreateRingPart (RawObject * raw_object, double r_t, double r_p, double curr_t, double min_p, double max_p, int slices);

        static GraphicalObject * CreateRings (DLODObject * dlod_object, double r_t, double r_p, double min_t, double max_t, int rings, int slices);
        
        /*
         * Creates a part of a ring of the torus using recursion. This routine is almost the same as the 'CreateRingPart (...)' 
         * routine above, with the only difference that a discrete level of detail object is cloned whenever the recursion
         * ends.
         *
         * \param dlod_object                                   The discrete level of detail object  which shall be cloned whenever
         *                                                                              the recursion ends.
         * \param r_t                                                   The t parameter of the torus creation. This is the radius at which
         *                                                                              the rings of the torus are created.
         * \param r_p                                                   The p parameter of the torus creation. This is the radius of one 
         *                                                                              single ring.
         * \param curr_t                                                The current t value for this ring.
         * \param min_p                                                 The minimal p value of the part of the ring which shall be created.
         * \param max_p                                                 The maximal p value of the part of the ring which shall be created.
         * \param slices                                                The number of points to be created during this routine.
         */
        static GraphicalObject * CreateRingPart (DLODObject * dlod_object, double r_t, double r_p, double curr_t, double min_p, double max_p, int slices);
};

#endif

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