physxOverlapReport.cxx

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file physxOverlapReport.cxx
 * @author enn0x
 * @date 2009-10-21
 */

#include "physxOverlapReport.h"
#include "physxShape.h"

/**
 *
 */
bool PhysxOverlapReport::
onEvent(NxU32 nbEntities, NxShape **entities) {

  for (unsigned int i=0; i<nbEntities; i++) {
    PhysxShape *shape = (PhysxShape *)entities[i]->userData;
    _overlaps.push_back(shape);
  }

  return true;
}

/**
 *
 */
unsigned int PhysxOverlapReport::
get_num_overlaps() const {

  return _overlaps.size();
}

/**
 *
 */
PhysxShape *PhysxOverlapReport::
get_first_overlap() {

  _iterator = _overlaps.begin();
  return get_next_overlap();
}

/**
 *
 */
PhysxShape *PhysxOverlapReport::
get_next_overlap() {

  if (_iterator != _overlaps.end()) {
    return *_iterator++;
  }

  // No more items.  Return empty overlap.
  return nullptr;
}

/**
 *
 */
PhysxShape *PhysxOverlapReport::
get_overlap(unsigned int idx) {

  nassertr(idx < get_num_overlaps(), nullptr);
  return _overlaps[idx];
}