00001 /* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2017, Locus Robotics 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the copyright holder nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 */ 00034 00035 #include <dwb_critics/twirling.h> 00036 #include <pluginlib/class_list_macros.h> 00037 00038 namespace dwb_critics 00039 { 00040 void TwirlingCritic::onInit() 00041 { 00042 // Scale is set to 0 by default, so if it was not set otherwise, set to 0 00043 if (!critic_nh_.hasParam("scale")) 00044 { 00045 scale_ = 0.0; 00046 } 00047 } 00048 00049 double TwirlingCritic::scoreTrajectory(const dwb_msgs::Trajectory2D& traj) 00050 { 00051 return fabs(traj.velocity.theta); // add cost for making the robot spin 00052 } 00053 } // namespace dwb_critics 00054 00055 PLUGINLIB_EXPORT_CLASS(dwb_critics::TwirlingCritic, dwb_local_planner::TrajectoryCritic)