CSamplePhantomObject()
{
ON_3fPoint v[] =
{
ON_3fPoint(0.0, 0.0, 0.0),
ON_3fPoint(1.0, 0.0, 0.0),
ON_3fPoint(1.0, 1.0, 0.0),
ON_3fPoint(0.0, 1.0, 0.0),
ON_3fPoint(0.0, 0.0, 1.0),
ON_3fPoint(1.0, 0.0, 1.0),
ON_3fPoint(1.0, 1.0, 1.0),
ON_3fPoint(0.0, 1.0, 1.0)
};
m_mesh.m_V.Append(_countof(v), v);
ON_MeshFace f[]=
{
{0, 1, 2, 3},
{0, 1, 1 + 4, 0 + 4},
{1, 2, 2 + 4, 1 + 4},
{2, 3, 3 + 4, 2 + 4},
{3, 0, 0 + 4, 3 + 4},
{7, 6, 5, 4}
};
m_mesh.m_F.Append(_countof(f), f);
m_mesh.ComputeVertexNormals();
m_mesh.ComputeFaceNormals();
m_geometry = &m_mesh;
m_geomem_type = 1;
}
int PointIndex::InsertPoint(
ON_3dPoint P
)
{
/* This will eventually be implemented in a much more efficient way */
for (int i = 0; i < mesh->m_V.Count(); i++) {
if (VNEAR_EQUAL(mesh->m_V[i], P, tol)) {
return i;
}
}
mesh->m_V.Append(ON_3fPoint(P));
return mesh->m_V.Count();
}
int main()
{
/* create the points */
ON_3fPoint a1 = ON_3fPoint(1.0, 1.0, -1.0);
ON_3fPoint b1 = ON_3fPoint(1.0, 1.0, 1.0);
ON_3fPoint c1 = ON_3fPoint(-1.0, 1.0, 1.0);
ON_3fPoint d1 = ON_3fPoint(-1.0, 1.0, -1.0);
ON_3fPoint e1 = ON_3fPoint(1.0, -1.0, -1.0);
ON_3fPoint f1 = ON_3fPoint(1.0, -1.0, 1.0);
ON_3fPoint g1 = ON_3fPoint(-1.0, -1.0, 1.0);
ON_3fPoint h1 = ON_3fPoint(-1.0, -1.0, -1.0);
ON_3fPoint a2 = ON_3fPoint(0.5, 2.0, -0.5);
ON_3fPoint b2 = ON_3fPoint(0.5, 2.0, 0.5);
ON_3fPoint c2 = ON_3fPoint(-0.5, 2.0, 0.5);
ON_3fPoint d2 = ON_3fPoint(-0.5, 2.0, -0.5);
ON_3fPoint e2 = ON_3fPoint(0.5, -2.0, -0.5);
ON_3fPoint f2 = ON_3fPoint(0.5, -2.0, 0.5);
ON_3fPoint g2 = ON_3fPoint(-0.5, -2.0, 0.5);
ON_3fPoint h2 = ON_3fPoint(-0.5, -2.0, -0.5);
/* create the meshes */
ON_Mesh mesh1;
mesh1.m_V.Empty();
mesh1.m_F.Empty();
ON_Mesh mesh2;
mesh2.m_V.Empty();
mesh2.m_F.Empty();
/* put the points in the meshes */
mesh1.m_V.Append(a1);
mesh1.m_V.Append(b1);
mesh1.m_V.Append(c1);
mesh1.m_V.Append(d1);
mesh1.m_V.Append(e1);
mesh1.m_V.Append(f1);
mesh1.m_V.Append(g1);
mesh1.m_V.Append(h1);
mesh2.m_V.Append(a2);
mesh2.m_V.Append(b2);
mesh2.m_V.Append(c2);
mesh2.m_V.Append(d2);
mesh2.m_V.Append(e2);
mesh2.m_V.Append(f2);
mesh2.m_V.Append(g2);
mesh2.m_V.Append(h2);
/* create the faces */
ON_MeshFace abcd = {{0, 1, 2, 3}};
ON_MeshFace efba = {{4, 5, 1, 0}};
ON_MeshFace ehgf = {{4, 7, 6, 5}};
ON_MeshFace dcgh = {{3, 2, 6, 7}};
ON_MeshFace adhe = {{0, 3, 7, 4}};
ON_MeshFace bfgc = {{1, 5, 6, 2}};
/* put the faces in the meshes */
mesh1.m_F.Append(abcd);
mesh1.m_F.Append(efba);
mesh1.m_F.Append(ehgf);
mesh1.m_F.Append(dcgh);
mesh1.m_F.Append(adhe);
mesh1.m_F.Append(bfgc);
mesh2.m_F.Append(abcd);
mesh2.m_F.Append(efba);
mesh2.m_F.Append(ehgf);
mesh2.m_F.Append(dcgh);
mesh2.m_F.Append(adhe);
mesh2.m_F.Append(bfgc);
/* and now for the action */
ON_ClassArray<ON_Polyline> out;
/* int rv = MeshMeshIntersect(&mesh1, &mesh2, &out, 1.0e-10); */
/* assert(rv == 2); */
}
