Someone

2125                                         SphereNormal temp;
2126                                         for (int y2=0;y2<=scaled_square_size;y2++)
2127                                         {
2128                                                 my1 = my + y2;
2129 
2130                                                 for (int x2=0;x2<=scaled_square_size;x2++)
2131                                                 {
2132                                                         mx1 = mx + x2;
2133 
2134                                                         float q = qualities_interp[y2][x2];
2135                                                         temp.phi = (normals[my1][mx1]->phi + (normals_2[my1][mx1]->phi - normals[my1][mx1]->phi) * q);
2136                                                         temp.theta = (normals[my1][mx1]->theta + (normals_2[my1][mx1]->theta - normals[my1][mx1]->theta) * q     );
2137 
2138                                                         float S = sin(temp.phi); 
2139                                                         calc_normals[y2][x2].x = S * cos(temp.theta);
2140                                                         calc_normals[y2][x2].y = S * sin(temp.theta);
2141                                                         calc_normals[y2][x2].z = cos(temp.phi);
2142 
2143                                                 }
2144                                         }