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Oneway uturn bugfix.

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This commit is contained in:
Vladimir Byko-Ianko 2015-12-04 10:05:22 +03:00
parent c7f81e2267
commit 775b76fb9e
1 changed files with 5 additions and 5 deletions
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10
routing/turns_generator.cpp
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@ -918,16 +918,13 @@ size_t CheckUTurnOnRoute(vector<LoadedPathSegment> const & segments, size_t curr
checkedSegment.m_isLink == masterSegment.m_isLink && !checkedSegment.m_onRoundabout)
{
auto const & path = masterSegment.m_path;
m2::PointD p1 = path[path.size() - 1] - path[path.size() - 2];
m2::PointD p2 = checkedSegment.m_path[1] - checkedSegment.m_path[0];
// Same segment UTurn case.
if (i == 0)
{
// TODO Fix direction calculation.
// Warning! We can not determine UTurn direction in single edge case. So we use UTurnLeft.
// We decided to add driving rules (left-right sided driving) to mwm header.
if (p1 == p2)
if (path[path.size() - 2] == checkedSegment.m_path[1])
{
turn.m_turn = TurnDirection::UTurnLeft;
return 1;
@ -940,7 +937,10 @@ size_t CheckUTurnOnRoute(vector<LoadedPathSegment> const & segments, size_t curr
if (checkedSegment.m_name.empty())
return 0;
auto angle = ang::TwoVectorsAngle(m2::PointD::Zero(), p1, p2);
m2::PointD const v1 = path[path.size() - 1] - path[path.size() - 2];
m2::PointD const v2 = checkedSegment.m_path[1] - checkedSegment.m_path[0];
auto angle = ang::TwoVectorsAngle(m2::PointD::Zero(), v1, v2);
if (!my::AlmostEqualAbs(angle, math::pi, kUTurnHeadingSensitivity))
return 0;