find_internal_points.cpp

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/* Author: Acorn Pooley */

#include <moveit/distance_field/find_internal_points.h>

void distance_field::findInternalPointsConvex(const bodies::Body& body, double resolution,
                                              EigenSTL::vector_Vector3d& points)
{
  bodies::BoundingSphere sphere;
  body.computeBoundingSphere(sphere);
  double xval_s = std::floor((sphere.center.x() - sphere.radius - resolution) / resolution) * resolution;
  double yval_s = std::floor((sphere.center.y() - sphere.radius - resolution) / resolution) * resolution;
  double zval_s = std::floor((sphere.center.z() - sphere.radius - resolution) / resolution) * resolution;
  double xval_e = sphere.center.x() + sphere.radius + resolution;
  double yval_e = sphere.center.y() + sphere.radius + resolution;
  double zval_e = sphere.center.z() + sphere.radius + resolution;
  Eigen::Vector3d pt;
  for (pt.x() = xval_s; pt.x() <= xval_e; pt.x() += resolution)
  {
    for (pt.y() = yval_s; pt.y() <= yval_e; pt.y() += resolution)
    {
      for (pt.z() = zval_s; pt.z() <= zval_e; pt.z() += resolution)
      {
        if (body.containsPoint(pt))
        {
          points.push_back(pt);
        }
      }
    }
  }
}