public static void GetOffsetFromPathSegment(Path path, float curvePos, out Vector3 up, out Vector3 left)
{
quaternion direction = CatmullRom.DirectionToRotationWorldUp(path.GetTangent(curvePos));
up = math.mul(direction, new float3(0, 1, 0)) * (path.height / 2.0f);
left = math.mul(direction, new float3(1, 0, 0)) * (path.width / 2.0f);
}