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anyrect_interpolation.cpp « anim - github.com/mapsme/omim.git - Unnamed repository; edit this file 'description' to name the repository.
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#include "anyrect_interpolation.hpp"

#include "../base/logging.hpp"

namespace anim
{
  AnyRectInterpolation::AnyRectInterpolation(m2::AnyRectD const & startRect,
                                             m2::AnyRectD const & endRect,
                                             double rotationSpeed,
                                             m2::AnyRectD & outRect)
    : m_interval(max(0.5, rotationSpeed * fabs(ang::GetShortestDistance(startRect.Angle().val(),
                                                                        endRect.Angle().val())) / (2 * math::pi))),
      m_angleInt(startRect.Angle().val(),
                 endRect.Angle().val(),
                 rotationSpeed,
                 m_curAngle),
      m_segmentInt(startRect.GlobalCenter(),
                   endRect.GlobalCenter(),
                   m_interval,
                   m_curCenter),
      m_sizeXInt(startRect.GetLocalRect().SizeX(),
                 endRect.GetLocalRect().SizeX(),
                 m_interval,
                 m_curSizeX),
      m_sizeYInt(startRect.GetLocalRect().SizeY(),
                 endRect.GetLocalRect().SizeY(),
                 m_interval,
                 m_curSizeY),
      m_startRect(startRect),
      m_endRect(endRect),
      m_outRect(outRect)
  {
  }

  void AnyRectInterpolation::OnStart(double ts)
  {
    m_startTime = ts;

    m_angleInt.OnStart(ts);
    m_angleInt.Start();

    m_segmentInt.OnStart(ts);
    m_segmentInt.Start();

    m_sizeXInt.OnStart(ts);
    m_sizeXInt.Start();

    m_sizeYInt.OnStart(ts);
    m_sizeYInt.Start();

    m_outRect = m_startRect;

    anim::Task::OnStart(ts);
  }

  void AnyRectInterpolation::OnStep(double ts)
  {
    if (!IsRunning())
      return;

    if (ts - m_startTime >= m_interval)
    {
      End();
      return;
    }

    if (m_angleInt.IsRunning())
      m_angleInt.OnStep(ts);

    if (m_segmentInt.IsRunning())
      m_segmentInt.OnStep(ts);

    if (m_sizeXInt.IsRunning())
      m_sizeXInt.OnStep(ts);

    if (m_sizeYInt.IsRunning())
      m_sizeYInt.OnStep(ts);

    m_outRect = m2::AnyRectD(m_curCenter,
                             m_curAngle,
                             m2::RectD(-m_curSizeX / 2, -m_curSizeY / 2,
                                       m_curSizeX / 2, m_curSizeY / 2));

    anim::Task::OnStep(ts);
  }

  void AnyRectInterpolation::OnEnd(double ts)
  {
    if (m_angleInt.IsRunning())
      m_angleInt.OnEnd(ts);

    if (m_segmentInt.IsRunning())
      m_segmentInt.OnEnd(ts);

    if (m_sizeXInt.IsRunning())
      m_sizeXInt.OnEnd(ts);

    if (m_sizeYInt.IsRunning())
      m_sizeYInt.OnEnd(ts);

    m_outRect = m_endRect;

    anim::Task::OnEnd(ts);
  }

  void AnyRectInterpolation::OnCancel(double ts)
  {
    if (m_angleInt.IsRunning())
      m_angleInt.Cancel();

    if (m_segmentInt.IsRunning())
      m_segmentInt.Cancel();

    if (m_sizeXInt.IsRunning())
      m_sizeXInt.Cancel();

    if (m_sizeYInt.IsRunning())
      m_sizeYInt.Cancel();

    anim::Task::OnCancel(ts);
  }
}