float meshOperation::sumAnglesWheel( int from, int center, int to, mesh & m )
{
vector<int> & nbrs = m.getNeighbors()[center];
vector<int> & nbr_fcs = m.getNeighborFaces()[center];
int actual = from, next, lps = 0;
float angle = 0;
do{
next = meshOperation::getPrevious(center,actual, m);
if(next < 0 || lps > int(nbrs.size())){
throw std::runtime_error("Assertion failed at sum Angle Wheel");
}
angle += tuple3f::angle( m.vertices[actual], m.vertices[center], m.vertices[next]);
actual = next;
lps++;
}
while (actual != to);
return angle;
}
