Subversion Repositories gelsvn

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
332 jab 1 
#include "subdivision.h"
2 
#include "FaceCirculator.h"
3 
#include "build_manifold.h"
4 
 
5 
using namespace std;
6 
using namespace CGLA;
7 
namespace HMesh
8 
{
9 
		void cc_split(Manifold& m_in, Manifold& m_out)
10 
		{
11 
				vector<Vec3f> new_points;
12 
 
13 
				for(VertexIter v=m_in.vertices_begin(); v != m_in.vertices_end();++v)
14 
				{
15 
						int idx = new_points.size();
16 
						new_points.push_back(v->pos);
17 
						v->touched = idx;
18 
				}
19 
 
20 
				for(HalfEdgeIter h=m_in.halfedges_begin();h!= m_in.halfedges_end();++h)
21 
						h->touched = -1;
22 
 
23 
				for(HalfEdgeIter h=m_in.halfedges_begin();h!= m_in.halfedges_end();++h)
24 
						if(h->touched == -1)
25 
				{
26 
						int idx = new_points.size();
27 
						new_points.push_back((h->vert->pos + h->opp->vert->pos) / 2.0);
28 
						h->touched = h->opp->touched = idx;
29 
				}
30 
 
31 
				vector<int> indices;
32 
				vector<int> faces;
33 
				for(FaceIter f=m_in.faces_begin(); f != m_in.faces_end(); ++f)
34 
				{
35 
						int idx_center = new_points.size();
36 
						new_points.push_back(centre(f));
37 
						for(FaceCirculator fc(f); !fc.end(); ++fc)
38 
						{
39 
								indices.push_back(idx_center);
40 
								indices.push_back(fc.get_halfedge()->prev->touched);
41 
								indices.push_back(fc.get_vertex()->touched);
42 
								indices.push_back(fc.get_halfedge()->touched);
43 
								faces.push_back(4);
44 
						}
45 
				}
46 
				m_out.clear();
47 
				build_manifold(m_out, new_points.size(),
48 
											 &new_points[0],
49 
											 faces.size(),
50 
											 &faces[0],
51 
											 &indices[0]);
52 
		}
53 
 
54 
}