Subversion Repositories gelsvn

#include <sstream>

#include <fstream>

#if defined(_MSC_VER)

#include <io.h>

#else

#include <unistd.h>

#endif

#include "CGLA/Mat2x2f.h"

#include "Geometry/Polygonizer.h"

#include "Geometry/TrilinFilter.h"

#include "Geometry/load_raw.h"

#include "HMeshUtil/build_manifold.h"

#include "HMeshUtil/obj_save.h"

#include "Util/ArgExtracter.h"

using namespace HMesh;

using namespace HMeshUtil;

using namespace Geometry;

using namespace CGLA;

using namespace Util;

using namespace std;

/* Create an implicit function: Just union of two spheres */

class TestImplicit: public ImplicitFunction

{

		const Vec3f c0, c1;

public:

		TestImplicit(): c0(0,0,0), c1(2,2,2)  {}

		float eval(float x,float y,float z) 

				{

						Vec3f p(x,y,z);

						return min(length(p-c0)-2.0f,length(p-c1)-2.0f);

				}

};

int main(int argc, char **argv)

{

	// Create an implicit.

	TestImplicit imp;

	// Create a polygonizer. Cell side length = 0.1 and go up to 50 cells.

	Polygonizer pol(&imp, 0.1f, 50);	

	// Start polygonizer in vicinity of 1,1,1

	pol.march(1,1,1);

	// Build HMesh from triangles

	vector<int> indices;

	vector<Vec3f> verts;

	vector<int> faces;

	// Extract vertices

 	for(int i=0;i<pol.no_vertices();++i)

	{

			verts.push_back(*reinterpret_cast<Vec3f*>(&pol.get_vertex(i)));

	}

	// Extract triangles.

 	for(int i=0;i<pol.no_triangles();++i)

	{

			faces.push_back(3);

			TRIANGLE f = pol.get_triangle(i);

			indices.push_back(f.v0);

			indices.push_back(f.v1);

			indices.push_back(f.v2);

	}

	// Build manifold

	Manifold m;

	build_manifold(m, verts.size(), &verts[0], 

								 faces.size(), &faces[0], &indices[0]);

	// Save as obj file

 	obj_save("bloomenthal.obj", m);

}