source: cpp/frams/_demos/geometry/surface_test.cpp @ 224

// This file is a part of the Framsticks GDK.
// Copyright (C) 2002-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#include "geometrytestutils.h"
#include <frams/model/geometry/meshbuilder.h>
#include <frams/model/model.h>
#include <frams/util/3d.h>
#include <stdio.h>

void test(Model &model, const double density)
{
        // Creating and preparing result Model object.
        Model resultModel;
        resultModel.open();
        GeometryTestUtils::addAnchorToModel(resultModel);
        
        // Creating instance of Iterator class (MeshBuilder::ModelSurface in this case). Object is
        // placed in stack memory, thus there is no heap memory allocation and creation is fast.
        MeshBuilder::ModelSurface iterator(density);
        
        // Once created, iterator can be used many times, but must be initialized before every time.
        iterator.initialize(&model);
        
        // Creating iterator output object in stack memory.
        Pt3D point;
        
        // Method tryGetNext checks if next point exists and optionally updates fields of Pt3D object.
        while (iterator.tryGetNext(point))
        {
                // Processing points created by iterator. In this case, they are added to result model as
                // small spheres.
                GeometryTestUtils::addPointToModel(point, resultModel);
        }
        
        // After Iterator initialization there are two alternative ways of using it.
        //
        // First adds all points to the specified list:
        // SListTempl<Pt3D> list;
        // iterator.addAllPointsToList(list);
        //
        // Second executes specified operation for each point:
        // Operation func;
        // iterator.forEach(func);
        // In this case, Operation is derived class of MeshBuilder::Callback class.
        
        // Finishing result Model and printing its genotype.
        resultModel.close();
        puts((const char*)resultModel.getF0Geno().toString());
}

int main(int argc, char *argv[])
{
        return GeometryTestUtils::execute(
                "Creates new model built of small spheres covering surface of input model and prints its "
                "genotype.", argc, argv, test);
}