| 448 | } |
| 449 | |
| 450 | void MyPositionController::OnLocationUpdate(location::GpsInfo const & info, bool isNavigable, double distanceToNextTurn, |
| 451 | double speedLimit, ScreenBase const & screen) |
| 452 | { |
| 453 | m2::PointD const oldPos = GetDrawablePosition(); |
| 454 | double const oldAzimut = GetDrawableAzimut(); |
| 455 | |
| 456 | m2::RectD const rect = mercator::MetersToXY(info.m_longitude, info.m_latitude, info.m_horizontalAccuracy); |
| 457 | // Use FromLatLon instead of rect.Center() since in case of large info.m_horizontalAccuracy |
| 458 | // there is significant difference between the real location and the estimated one. |
| 459 | m_position = mercator::FromLatLon(info.m_latitude, info.m_longitude); |
| 460 | m_errorRadius = rect.SizeX() * 0.5; |
| 461 | m_horizontalAccuracy = info.m_horizontalAccuracy; |
| 462 | |
| 463 | if (distanceToNextTurn >= 0.0 || speedLimit >= 0.0) |
| 464 | { |
| 465 | double const mercatorPerMeter = m_errorRadius / info.m_horizontalAccuracy; |
| 466 | m_autoScale2d = |
| 467 | mercatorPerMeter * CalculateAutoZoom(speedLimit, distanceToNextTurn, false /* isPerspectiveAllowed */); |
| 468 | m_autoScale3d = |
| 469 | mercatorPerMeter * CalculateAutoZoom(speedLimit, distanceToNextTurn, true /* isPerspectiveAllowed */); |
| 470 | } |
| 471 | else |
| 472 | { |
| 473 | m_autoScale2d = m_autoScale3d = kUnknownAutoZoom; |
| 474 | } |
| 475 | |
| 476 | // Sets direction based on GPS if: |
| 477 | // 1. Compass is not available. |
| 478 | // 2. Direction must be glued to the route during routing (route-corrected angle is set only in |
| 479 | // OnLocationUpdate(): in OnCompassUpdate() the angle always has the original value. |
| 480 | // 3. Device is moving faster then pedestrian. |
| 481 | bool const isMovingFast = info.HasSpeed() && info.m_speed > kMinSpeedThresholdMps; |
| 482 | bool const glueArrowInRouting = isNavigable && m_isArrowGluedInRouting; |
| 483 | |
| 484 | if ((!m_isCompassAvailable || glueArrowInRouting || isMovingFast) && info.HasBearing()) |
| 485 | { |
| 486 | SetDirection(math::DegToRad(info.m_bearing)); |
| 487 | m_lastGPSBearingTimer.Reset(); |
| 488 | } |
| 489 | |
| 490 | if (m_isPositionAssigned && (!AlmostCurrentPosition(oldPos) || !AlmostCurrentAzimut(oldAzimut))) |
| 491 | { |
| 492 | CreateAnim(oldPos, oldAzimut, screen); |
| 493 | m_isDirtyViewport = true; |
| 494 | } |
| 495 | |
| 496 | // Assume that every new position is fresh enough. We can't make some straightforward filtering here |
| 497 | // like comparing system_clock::now().time_since_epoch() and info.m_timestamp, because can't rely |
| 498 | // on valid time settings on endpoint device. |
| 499 | m_positionIsObsolete = false; |
| 500 | |
| 501 | if (!m_isPositionAssigned) |
| 502 | { |
| 503 | ChangeMode(m_isInRouting ? m_preferredRoutingMode : m_desiredInitMode, true); |
| 504 | |
| 505 | if (!m_hints.m_isFirstLaunch || !AnimationSystem::Instance().AnimationExists(Animation::Object::MapPlane)) |
| 506 | { |
| 507 | if (m_mode == location::Follow) |
no test coverage detected