public Vector3 CalculateMovement(Transform moverTransform, float currentDistanceAlongRail, Vector3 delta, out float newDistanceAlongRail, out Vector3 newDelta, out Vector3 directionNormal)
	{
		//Save this away for later since we don't want to do any actual math on the y axis.
		var deltaY = delta.y;
		delta.y = 0;

		var dist = delta.magnitude;
		var currentNormal = GetDirectionNormalAtDistance(currentDistanceAlongRail);
//		print($"{currentNormal.x},{currentNormal.y},{currentNormal.z}");

		//Are they going forwards, backwards, or just staying still?
		var dot = Vector3.Dot(delta, currentNormal);

		//If they're staying still, then we can just exit early
		if (dot == 0f)
		{
			//new delta is just the y component because a dot product of 0
			//can mean that they're trying to move perpendicular to the rail so just have no XZ movement happen
			newDelta = new Vector3(0, deltaY, 0);
			newDistanceAlongRail = currentDistanceAlongRail;
			//Choose a normal along the path based on the way they're currently facing.
			directionNormal = (Vector3.Dot(moverTransform.forward, currentNormal) >= 0) ? currentNormal : -currentNormal;
			//Just return their current point along the rail
			return GetPointAtDistance(currentDistanceAlongRail).With(y: moverTransform.position.y + deltaY);
		}
		else if (dot < 0)
		{
			//We're going backwards along the rail!
			dist = -dist;
		}
		//Else: We're going fowards and we don't need to do any extra maths.

//		print($"{dot}:{delta}*{currentNormal}, {currentDistanceAlongRail}");

		newDistanceAlongRail = currentDistanceAlongRail + dist;
		if (!Looped)
		{
			newDistanceAlongRail = Mathf.Clamp(newDistanceAlongRail, 0f, Length);
		}
		else
		{
			newDistanceAlongRail = (newDistanceAlongRail % Length) + (newDistanceAlongRail < 0 ? Length : 0);
		}

		var currentPoint = GetPointAtDistance(currentDistanceAlongRail);
		var newPoint = GetPointAtDistance(newDistanceAlongRail);

		//Put the y component of the delta back in.
		newDelta = currentPoint.VectorTo(newPoint).With(y: deltaY);
		directionNormal = GetDirectionNormalAtDistance(newDistanceAlongRail) * Mathf.Sign(dist);

		//Calculate their y change for them and return.
		return newPoint.With(y: moverTransform.position.y + deltaY);
	}