OrientedPoint result;
result.position = front*(1-ratio)+back*ratio;
result.rotation = Geometry::atan2<float>(front.y-back.y, front.x-back.x);
- result.tilt = Geometry::atan2<float>(front.z-back.z, LinAl::Vector<float, 2>(front-back).norm());
+ result.tilt = Geometry::atan2<float>(front.z-back.z, (front-back).slice<2>(0).norm());
return result;
}