Exemple #1
0
V3d Matrix::operator*(V3d u) {
  V3d n=V3d(0,0,0);
  float c;
  for (int i=0;i<=2;i++) {
    c=u.var(i);
    n.x=n.x+c*v[i][0];
    n.y=n.y+c*v[i][1];
    n.z=n.z+c*v[i][2];
  }
  return n;
}