Method GetObstaclesInBox

src/lua/LuaObstacle.cpp:1316–1354

//============================================================================//

int LuaObstacle::GetObstaclesInBox(lua_State* L) {
  const fvec3 pos     = luaL_checkfvec3(L, 2);
  const fvec3 size    = luaL_checkfvec3(L, 5);
  const float radians = luaL_optfloat(L, 8, 0.0f);

  Extents exts;
  if (radians == 0.0f) {
    exts.mins = pos - fvec3(size.x, size.y, 0.0f);
    exts.maxs = pos + fvec3(size.x, size.y, size.z);
  }
  else {
    fvec2 pv(+size.x, +size.y);
    fvec2 nv(+size.x, -size.y);
    pv.rotate(radians);
    nv.rotate(radians);
    pv = fvec2(fabsf(pv.x), fabsf(pv.y));
    nv = fvec2(fabsf(nv.x), fabsf(nv.y));
    const float sx = (pv.x > nv.x) ? pv.x : nv.x;
    const float sy = (pv.y > nv.y) ? pv.y : nv.y;
    exts.mins = fvec3(pos.x - sx, pos.y - sy, pos.z),
         exts.maxs = fvec3(pos.x + sx, pos.y + sy, pos.z + size.z);
  }

  const ObsList* obsList = COLLISIONMGR.axisBoxTest(exts);
  const int listCount = obsList->count;

  lua_createtable(L, listCount, 0);
  int index = 0;
  for (int i = 0; i < listCount; i++) {
    const Obstacle* obs = obsList->list[i];
    if (obs->inBox(pos, radians, size.x, size.y, size.z)) {
      index++;
      PushObstacleGUID(L, obs->getGUID());
      lua_rawseti(L, -2, index);
    }
  }

  return 1;
}


int LuaObstacle::ObstacleBoxTest(lua_State* L) {