rotation code by taby

//!? float yaw; if(fabs(dir_x) < 0.000001 && fabs(dir_z) < 0.000001) // epsilon is some small number     yaw = 0.0f; else     yaw = atan2(dir_x,dir_z); float pitch = -atan2(dir_y,sqrt(dir_x*dir_x+dir_z*dir_z)); // * Convert to degrees here * glRotatef(yaw*180.0f/3.14f, 0.0f, 1.0f, 0.0f); glRotatef(pitch*180.0f/3.14f, 1.0f, 0.0f, 0.0f);