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#include "DataFormats/GeometrySurface/interface/BoundingBox.h"
#include "DataFormats/GeometrySurface/interface/BoundPlane.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h"

BoundingBox::BoundingBox(const BoundPlane& plane) {
  float hLen = plane.bounds().length() / 2;
  float hWid = plane.bounds().width() / 2;
  float hThick = plane.bounds().thickness() / 2;

  m_corners[0] = plane.toGlobal(LocalPoint(hWid, hLen, hThick));
  m_corners[1] = plane.toGlobal(LocalPoint(hWid, hLen, -hThick));
  m_corners[2] = plane.toGlobal(LocalPoint(hWid, -hLen, hThick));
  m_corners[3] = plane.toGlobal(LocalPoint(hWid, -hLen, -hThick));
  m_corners[4] = plane.toGlobal(LocalPoint(-hWid, hLen, hThick));
  m_corners[5] = plane.toGlobal(LocalPoint(-hWid, hLen, -hThick));
  m_corners[6] = plane.toGlobal(LocalPoint(-hWid, -hLen, hThick));
  m_corners[7] = plane.toGlobal(LocalPoint(-hWid, -hLen, -hThick));
}

std::vector<GlobalPoint> BoundingBox::corners(const BoundPlane& plane) {
  std::vector<GlobalPoint> result;
  result.reserve(8);

  float hLen = plane.bounds().length() / 2;
  float hWid = plane.bounds().width() / 2;
  float hThick = plane.bounds().thickness() / 2;

  result.push_back(plane.toGlobal(LocalPoint(hWid, hLen, hThick)));
  result.push_back(plane.toGlobal(LocalPoint(hWid, hLen, -hThick)));
  result.push_back(plane.toGlobal(LocalPoint(hWid, -hLen, hThick)));
  result.push_back(plane.toGlobal(LocalPoint(hWid, -hLen, -hThick)));
  result.push_back(plane.toGlobal(LocalPoint(-hWid, hLen, hThick)));
  result.push_back(plane.toGlobal(LocalPoint(-hWid, hLen, -hThick)));
  result.push_back(plane.toGlobal(LocalPoint(-hWid, -hLen, hThick)));
  result.push_back(plane.toGlobal(LocalPoint(-hWid, -hLen, -hThick)));

  return result;
}