From 05833da4005f68a2837065b6e04a681363f40af4 Mon Sep 17 00:00:00 2001
From: Florian Polster <fpolster@uni-koblenz.de>
Date: Sun, 23 Apr 2017 19:16:20 +0200
Subject: [PATCH] refactored and formated
---
.../homer_navigation/homer_navigation_node.h | 4 +
.../src/homer_navigation_node.cpp | 664 +++++++++---------
2 files changed, 344 insertions(+), 324 deletions(-)
diff --git a/homer_navigation/include/homer_navigation/homer_navigation_node.h b/homer_navigation/include/homer_navigation/homer_navigation_node.h
index 37f85e4b..bc7f4a9e 100644
--- a/homer_navigation/include/homer_navigation/homer_navigation_node.h
+++ b/homer_navigation/include/homer_navigation/homer_navigation_node.h
@@ -98,6 +98,10 @@ private:
/** @brief Start navigation to m_Target on last_map_data_ */
void startNavigation();
+ void followPath();
+ void avoidingCollision();
+ void finalTurn();
+
geometry_msgs::Point
calculateMeanPoint(const std::vector<geometry_msgs::Point>& points);
/** @brief Check if obstacles are blocking the way in last_map_data_ */
diff --git a/homer_navigation/src/homer_navigation_node.cpp b/homer_navigation/src/homer_navigation_node.cpp
index 3f1cf6ad..30df7b48 100644
--- a/homer_navigation/src/homer_navigation_node.cpp
+++ b/homer_navigation/src/homer_navigation_node.cpp
@@ -532,389 +532,405 @@ bool HomerNavigationNode::obstacleOnPath()
}
}
-void HomerNavigationNode::performNextMove()
+void HomerNavigationNode::followPath()
{
- if (m_MainMachine.state() == FOLLOWING_PATH)
+ if (isTargetPositionReached())
{
- if (isTargetPositionReached())
- {
- return;
- }
- // check if an obstacle is on the current path
- if (m_check_path &&
- (ros::Time::now() - m_last_check_path_time) > ros::Duration(0.2))
+ return;
+ }
+ // check if an obstacle is on the current path
+ if (m_check_path &&
+ (ros::Time::now() - m_last_check_path_time) > ros::Duration(0.2))
+ {
+ if (obstacleOnPath())
{
- if (obstacleOnPath())
+ if (m_seen_obstacle_before)
{
- if (m_seen_obstacle_before)
+ if (!m_obstacle_on_path)
{
- if (!m_obstacle_on_path)
- {
- stopRobot();
- calculatePath();
- return;
- }
- else
- {
- calculatePath();
- }
+ stopRobot();
+ calculatePath();
+ return;
+ }
+ else
+ {
+ calculatePath();
}
- m_seen_obstacle_before = true;
- }
- else
- {
- m_seen_obstacle_before = false;
- m_obstacle_on_path = false;
}
+ m_seen_obstacle_before = true;
+ }
+ else
+ {
+ m_seen_obstacle_before = false;
+ m_obstacle_on_path = false;
}
+ }
- if (m_waypoints.size() == 0)
+ if (m_waypoints.size() == 0)
+ {
+ ROS_WARN_STREAM("No waypoints but trying to perform next move! "
+ "Skipping.");
+ startNavigation();
+ return;
+ }
+ // if we have accidentaly skipped waypoints, recalculate path
+ float minDistance = FLT_MAX;
+ float distance;
+ unsigned nearestWaypoint = 0;
+ for (unsigned i = 0; i < m_waypoints.size(); i++)
+ {
+ distance = map_tools::distance(m_robot_pose.position,
+ m_waypoints[i].pose.position);
+ if (distance < minDistance)
{
- ROS_WARN_STREAM("No waypoints but trying to perform next move! "
- "Skipping.");
- return;
+ nearestWaypoint = i;
+ minDistance = distance;
}
- // if we have accidentaly skipped waypoints, recalculate path
- float minDistance = FLT_MAX;
- float distance;
- unsigned nearestWaypoint = 0;
- for (unsigned i = 0; i < m_waypoints.size(); i++)
+ }
+ if (nearestWaypoint != 0)
+ {
+ // if the target is nearer than the waypoint don't recalculate
+ if (m_waypoints.size() != 2)
{
- distance = map_tools::distance(m_robot_pose.position,
- m_waypoints[i].pose.position);
- if (distance < minDistance)
+ ROS_WARN_STREAM("Waypoints skipped. Recalculating path!");
+ calculatePath();
+ if (m_MainMachine.state() != FOLLOWING_PATH)
{
- nearestWaypoint = i;
- minDistance = distance;
+ return;
}
}
- if (nearestWaypoint != 0)
+ else
{
- // if the target is nearer than the waypoint don't recalculate
- if (m_waypoints.size() != 2)
- {
- ROS_WARN_STREAM("Waypoints skipped. Recalculating path!");
- calculatePath();
- if (m_MainMachine.state() != FOLLOWING_PATH)
- {
- return;
- }
- }
- else
- {
- m_waypoints.erase(m_waypoints.begin());
- }
+ m_waypoints.erase(m_waypoints.begin());
}
+ }
+
+ Eigen::Vector2i waypointPixel =
+ map_tools::toMapCoords(m_waypoints[0].pose.position, m_map);
+ float obstacleDistanceMap = m_explorer->getObstacleTransform()->getValue(
+ waypointPixel.x(), waypointPixel.y()) *
+ m_map->info.resolution;
+ float waypointRadius = m_waypoint_radius_factor * obstacleDistanceMap;
- Eigen::Vector2i waypointPixel =
- map_tools::toMapCoords(m_waypoints[0].pose.position, m_map);
- float obstacleDistanceMap = m_explorer->getObstacleTransform()->getValue(
- waypointPixel.x(), waypointPixel.y()) *
- m_map->info.resolution;
- float waypointRadius = m_waypoint_radius_factor * obstacleDistanceMap;
+ if ((waypointRadius < m_map->info.resolution) || (m_waypoints.size() == 1))
+ {
+ waypointRadius = m_map->info.resolution;
+ }
- if ((waypointRadius < m_map->info.resolution) || (m_waypoints.size() == 1))
+ if (m_waypoints.size() != 0)
+ {
+ // calculate distance between last_pose->current_pose and waypoint
+ Eigen::Vector2f line; // direction of the line
+ line[0] = m_robot_pose.position.x - m_robot_last_pose.position.x;
+ line[1] = m_robot_pose.position.y - m_robot_last_pose.position.y;
+ Eigen::Vector2f point_to_start; // vector from the point to the
+ // start of the line
+ point_to_start[0] =
+ m_robot_last_pose.position.x - m_waypoints[0].pose.position.x;
+ point_to_start[1] =
+ m_robot_last_pose.position.y - m_waypoints[0].pose.position.y;
+ float dot =
+ point_to_start[0] * line[0] +
+ point_to_start[1] * line[1]; // dot product of point_to_start * line
+ Eigen::Vector2f distance; // shortest distance vector from point to line
+ distance[0] = point_to_start[0] - dot * line[0];
+ distance[1] = point_to_start[1] - dot * line[1];
+ float distance_to_waypoint =
+ sqrt((double)(distance[0] * distance[0] + distance[1] * distance[1]));
+
+ // check if current waypoint has been reached
+ if (distance_to_waypoint < waypointRadius && m_waypoints.size() >= 1)
{
- waypointRadius = m_map->info.resolution;
+ m_waypoints.erase(m_waypoints.begin());
}
+ }
- if (m_waypoints.size() != 0)
+ if (m_waypoints.size() == 0)
+ {
+ ROS_INFO_STREAM("Last waypoint reached");
+ currentPathFinished();
+ return;
+ }
+
+ sendPathData();
+
+ if (m_use_ptu)
+ {
+ ROS_INFO_STREAM("Moving PTU to center next Waypoint");
+ homer_ptu_msgs::CenterWorldPoint ptu_msg;
+ ptu_msg.point.x = m_waypoints[0].pose.position.x;
+ ptu_msg.point.y = m_waypoints[0].pose.position.y;
+ ptu_msg.point.z = 0;
+ ptu_msg.permanent = true;
+ m_ptu_center_world_point_pub.publish(ptu_msg);
+ }
+
+ float distanceToWaypoint =
+ map_tools::distance(m_robot_pose.position, m_waypoints[0].pose.position);
+ float angleToWaypoint = angleToPointDeg(m_waypoints[0].pose.position);
+ if (angleToWaypoint < -180)
+ {
+ angleToWaypoint += 360;
+ }
+ float angle = deg2Rad(angleToWaypoint);
+
+ // linear speed calculation
+ if (m_avoided_collision)
+ {
+ if (std::fabs(angleToWaypoint) < 10)
{
- // calculate distance between last_pose->current_pose and waypoint
- Eigen::Vector2f line; // direction of the line
- line[0] = m_robot_pose.position.x - m_robot_last_pose.position.x;
- line[1] = m_robot_pose.position.y - m_robot_last_pose.position.y;
- Eigen::Vector2f point_to_start; // vector from the point to the
- // start of the line
- point_to_start[0] =
- m_robot_last_pose.position.x - m_waypoints[0].pose.position.x;
- point_to_start[1] =
- m_robot_last_pose.position.y - m_waypoints[0].pose.position.y;
- float dot =
- point_to_start[0] * line[0] +
- point_to_start[1] * line[1]; // dot product of point_to_start * line
- Eigen::Vector2f distance; // shortest distance vector from point to line
- distance[0] = point_to_start[0] - dot * line[0];
- distance[1] = point_to_start[1] - dot * line[1];
- float distance_to_waypoint =
- sqrt((double)(distance[0] * distance[0] + distance[1] * distance[1]));
-
- // check if current waypoint has been reached
- if (distance_to_waypoint < waypointRadius && m_waypoints.size() >= 1)
- {
- m_waypoints.erase(m_waypoints.begin());
- }
+ m_avoided_collision = false;
}
-
- if (m_waypoints.size() == 0)
+ }
+ else if (fabs(angle) > m_max_drive_angle)
+ {
+ m_act_speed = 0.0;
+ }
+ else if (m_obstacle_on_path &&
+ map_tools::distance(m_robot_pose.position, m_obstacle_position) <
+ 1.0)
+ {
+ m_act_speed = 0.0;
+ float angleToWaypoint2 = angleToPointDeg(m_obstacle_position);
+ if (angleToWaypoint2 < -180)
{
- ROS_INFO_STREAM("Last waypoint reached");
- currentPathFinished();
- return;
+ angleToWaypoint2 += 360;
}
+ angle = deg2Rad(angleToWaypoint2);
- sendPathData();
-
- if (m_use_ptu)
+ if (std::fabs(angle) < m_min_turn_angle)
{
- ROS_INFO_STREAM("Moving PTU to center next Waypoint");
- homer_ptu_msgs::CenterWorldPoint ptu_msg;
- ptu_msg.point.x = m_waypoints[0].pose.position.x;
- ptu_msg.point.y = m_waypoints[0].pose.position.y;
- ptu_msg.point.z = 0;
- ptu_msg.permanent = true;
- m_ptu_center_world_point_pub.publish(ptu_msg);
+ ROS_INFO_STREAM("angle = " << angle);
+ m_avoided_collision = true;
+ m_initial_path_reaches_target = true;
+ m_stop_before_obstacle = true;
+ startNavigation();
+ return;
}
-
- float distanceToWaypoint = map_tools::distance(
- m_robot_pose.position, m_waypoints[0].pose.position);
- float angleToWaypoint = angleToPointDeg(m_waypoints[0].pose.position);
- if (angleToWaypoint < -180)
+ }
+ else
+ {
+ // float obstacleMapDistance = 1;
+ // for (int wpi = -1; wpi < std::min((int)m_waypoints.size(), (int)2);
+ // wpi++)
+ //{
+ // Eigen::Vector2i robotPixel;
+ // if (wpi == -1)
+ //{
+ // robotPixel = map_tools::toMapCoords(m_robot_pose.position, m_map);
+ //}
+ // else
+ //{
+ // robotPixel =
+ // map_tools::toMapCoords(m_waypoints[wpi].pose.position, m_map);
+ //}
+ // obstacleMapDistance =
+ // std::min((float)obstacleMapDistance,
+ //(float)(m_explorer->getObstacleTransform()->getValue(
+ // robotPixel.x(), robotPixel.y()) *
+ // m_map->info.resolution));
+ // if (obstacleMapDistance <= 0.00001)
+ //{
+ // ROS_ERROR_STREAM(
+ //"obstacleMapDistance is below threshold to 0 setting "
+ //"to 1");
+ // obstacleMapDistance = 1;
+ //}
+ //}
+
+ float max_move_distance_speed =
+ m_max_move_speed * m_max_move_distance * m_obstacle_speed_factor;
+ float max_map_distance_speed = 1;
+ // m_max_move_speed * obstacleMapDistance * m_map_speed_factor;
+
+ float max_waypoint_speed = 1;
+ if (m_waypoints.size() > 1)
{
- angleToWaypoint += 360;
+ float angleToNextWaypoint = angleToPointDeg(m_waypoints[1].pose.position);
+ max_waypoint_speed = (1 - (angleToNextWaypoint / 180.0)) *
+ distanceToWaypoint * m_waypoint_speed_factor;
}
- float angle = deg2Rad(angleToWaypoint);
- // linear speed calculation
- if (m_avoided_collision)
+ m_act_speed =
+ std::min({ std::max((float)0.1, m_distance_to_target *
+ m_target_distance_speed_factor),
+ m_max_move_speed, max_move_distance_speed,
+ max_map_distance_speed, max_waypoint_speed });
+ std_msgs::String tmp;
+ std::stringstream str;
+ str << "m_obstacle_speed " << max_move_distance_speed
+ << " max_map_distance_speed " << max_map_distance_speed;
+ tmp.data = str.str();
+ m_debug_pub.publish(tmp);
+ }
+
+ // angular speed calculation
+ if (angle < 0)
+ {
+ angle = std::max(angle * (float)0.8, -m_max_turn_speed);
+ m_act_speed = m_act_speed + angle / 2.0;
+ if (m_act_speed < 0)
{
- if (std::fabs(angleToWaypoint) < 10)
- {
- m_avoided_collision = false;
- }
+ m_act_speed = 0;
}
- else if (fabs(angle) > m_max_drive_angle)
+ }
+ else
+ {
+ angle = std::min(angle * (float)0.8, m_max_turn_speed);
+ m_act_speed = m_act_speed - angle / 2.0;
+ if (m_act_speed < 0)
{
- m_act_speed = 0.0;
+ m_act_speed = 0;
}
- else if (m_obstacle_on_path &&
- map_tools::distance(m_robot_pose.position, m_obstacle_position) <
- 1.0)
- {
- m_act_speed = 0.0;
- float angleToWaypoint2 = angleToPointDeg(m_obstacle_position);
- if (angleToWaypoint2 < -180)
- {
- angleToWaypoint2 += 360;
- }
- angle = deg2Rad(angleToWaypoint2);
+ }
+ geometry_msgs::Twist cmd_vel_msg;
+ cmd_vel_msg.linear.x = m_act_speed;
+ cmd_vel_msg.angular.z = angle;
+ m_cmd_vel_pub.publish(cmd_vel_msg);
- if (std::fabs(angle) < m_min_turn_angle)
- {
- ROS_INFO_STREAM("angle = " << angle);
- m_avoided_collision = true;
- m_initial_path_reaches_target = true;
- m_stop_before_obstacle = true;
- startNavigation();
- return;
- }
+ ROS_DEBUG_STREAM("Driving & turning"
+ << std::endl
+ << "linear: " << m_act_speed << " angular: " << angle
+ << std::endl
+ << "distanceToWaypoint:" << distanceToWaypoint
+ << "angleToWaypoint: " << angleToWaypoint << std::endl);
+}
+
+void HomerNavigationNode::avoidingCollision()
+{
+ avoidingCollision();
+ if (isTargetPositionReached())
+ {
+ return;
+ }
+ else if ((m_max_move_distance <= m_collision_distance &&
+ m_waypoints.size() > 1) ||
+ m_max_move_distance <= m_collision_distance_near_target)
+ {
+ ROS_WARN_STREAM("Maximum driving distance too short ("
+ << m_max_move_distance << "m)! Moving back.");
+ geometry_msgs::Twist cmd_vel_msg;
+ if (!HomerNavigationNode::backwardObstacle())
+ {
+ cmd_vel_msg.linear.x = -0.2;
}
else
{
- float obstacleMapDistance = 1;
- for (int wpi = -1; wpi < std::min((int)m_waypoints.size(), (int)2); wpi++)
+ if (m_angular_avoidance == 0)
{
- Eigen::Vector2i robotPixel;
- if (wpi == -1)
+ float angleToWaypoint = angleToPointDeg(m_waypoints[0].pose.position);
+ if (angleToWaypoint < -180)
{
- robotPixel = map_tools::toMapCoords(m_robot_pose.position, m_map);
+ angleToWaypoint += 360;
}
- else
+ if (angleToWaypoint < 0)
{
- robotPixel =
- map_tools::toMapCoords(m_waypoints[wpi].pose.position, m_map);
+ m_angular_avoidance = -0.4;
}
- obstacleMapDistance =
- std::min((float)obstacleMapDistance,
- (float)(m_explorer->getObstacleTransform()->getValue(
- robotPixel.x(), robotPixel.y()) *
- m_map->info.resolution));
- if (obstacleMapDistance <= 0.00001)
+ else
{
- ROS_ERROR_STREAM(
- "obstacleMapDistance is below threshold to 0 setting "
- "to 1");
- obstacleMapDistance = 1;
+ m_angular_avoidance = 0.4;
}
}
-
- float max_move_distance_speed =
- m_max_move_speed * m_max_move_distance * m_obstacle_speed_factor;
- float max_map_distance_speed =
- m_max_move_speed * obstacleMapDistance * m_map_speed_factor;
-
- float max_waypoint_speed = 1;
- if (m_waypoints.size() > 1)
- {
- float angleToNextWaypoint =
- angleToPointDeg(m_waypoints[1].pose.position);
- max_waypoint_speed = (1 - (angleToNextWaypoint / 180.0)) *
- distanceToWaypoint * m_waypoint_speed_factor;
- }
-
- m_act_speed =
- std::min({ std::max((float)0.1, m_distance_to_target *
- m_target_distance_speed_factor),
- m_max_move_speed, max_move_distance_speed,
- max_map_distance_speed, max_waypoint_speed });
- std_msgs::String tmp;
- std::stringstream str;
- str << "m_obstacle_speed " << max_move_distance_speed
- << " max_map_distance_speed " << max_map_distance_speed;
- tmp.data = str.str();
- m_debug_pub.publish(tmp);
+ cmd_vel_msg.angular.z = m_angular_avoidance;
}
-
- // angular speed calculation
- if (angle < 0)
- {
- angle = std::max(angle * (float)0.8, -m_max_turn_speed);
- m_act_speed = m_act_speed + angle / 2.0;
- if (m_act_speed < 0)
- {
- m_act_speed = 0;
- }
- }
- else
- {
- angle = std::min(angle * (float)0.8, m_max_turn_speed);
- m_act_speed = m_act_speed - angle / 2.0;
- if (m_act_speed < 0)
- {
- m_act_speed = 0;
- }
- }
- geometry_msgs::Twist cmd_vel_msg;
- cmd_vel_msg.linear.x = m_act_speed;
- cmd_vel_msg.angular.z = angle;
m_cmd_vel_pub.publish(cmd_vel_msg);
+ }
+ else
+ {
+ m_angular_avoidance = 0;
+ m_avoided_collision = true;
+ ROS_WARN_STREAM("Collision avoided. Updating path.");
+ currentPathFinished();
+ }
+}
- ROS_DEBUG_STREAM("Driving & turning"
- << std::endl
- << "linear: " << m_act_speed << " angular: " << angle
- << std::endl
- << "distanceToWaypoint:" << distanceToWaypoint
- << "angleToWaypoint: " << angleToWaypoint << std::endl);
+void HomerNavigationNode::finalTurn()
+{
+ if (m_use_ptu)
+ {
+ // reset PTU
+ homer_ptu_msgs::SetPanTilt msg;
+ msg.absolute = true;
+ msg.panAngle = 0;
+ msg.tiltAngle = 0;
+ m_set_pan_tilt_pub.publish(msg);
}
- else if (m_MainMachine.state() == AVOIDING_COLLISION)
+
+ if (m_skip_final_turn)
{
- if (isTargetPositionReached())
- {
- return;
- }
- else if ((m_max_move_distance <= m_collision_distance &&
- m_waypoints.size() > 1) ||
- m_max_move_distance <= m_collision_distance_near_target)
+ ROS_INFO_STREAM("Final turn skipped. Target reached.");
+ if (m_path_reaches_target)
{
- ROS_WARN_STREAM("Maximum driving distance too short ("
- << m_max_move_distance << "m)! Moving back.");
- geometry_msgs::Twist cmd_vel_msg;
- if (!HomerNavigationNode::backwardObstacle())
- {
- cmd_vel_msg.linear.x = -0.2;
- }
- else
- {
- if (m_angular_avoidance == 0)
- {
- float angleToWaypoint = angleToPointDeg(m_waypoints[0].pose.position);
- if (angleToWaypoint < -180)
- {
- angleToWaypoint += 360;
- }
- if (angleToWaypoint < 0)
- {
- m_angular_avoidance = -0.4;
- }
- else
- {
- m_angular_avoidance = 0.4;
- }
- }
- cmd_vel_msg.angular.z = m_angular_avoidance;
- }
- m_cmd_vel_pub.publish(cmd_vel_msg);
+ sendTargetReachedMsg();
}
else
{
- m_angular_avoidance = 0;
- m_avoided_collision = true;
- ROS_WARN_STREAM("Collision avoided. Updating path.");
- currentPathFinished();
+ sendTargetUnreachableMsg(
+ homer_mapnav_msgs::TargetUnreachable::NO_PATH_FOUND);
}
+ return;
}
- else if (m_MainMachine.state() == FINAL_TURN)
+
+ float turnAngle =
+ minTurnAngle(tf::getYaw(m_robot_pose.orientation), m_target_orientation);
+ ROS_DEBUG_STREAM("homer_navigation::PerformNextMove:: Final Turn. Robot "
+ "orientation: "
+ << rad2Deg(tf::getYaw(m_robot_pose.orientation))
+ << ". Target orientation: " << rad2Deg(m_target_orientation)
+ << "homer_navigation::PerformNextMove:: turnAngle: "
+ << rad2Deg(turnAngle));
+
+ if (std::fabs(turnAngle) < m_min_turn_angle)
{
- if (m_use_ptu)
+ ROS_INFO_STREAM(":::::::NEAREST WALKABLE TARGET REACHED BECAUSE lower "
+ << m_min_turn_angle);
+ ROS_INFO_STREAM("target angle = " << m_target_orientation);
+ ROS_INFO_STREAM("is angle = " << tf::getYaw(m_robot_pose.orientation));
+ ROS_INFO_STREAM("m_distance_to_target = " << m_distance_to_target);
+ ROS_INFO_STREAM("m_desired_distance = " << m_desired_distance);
+ if (m_path_reaches_target)
{
- // reset PTU
- homer_ptu_msgs::SetPanTilt msg;
- msg.absolute = true;
- msg.panAngle = 0;
- msg.tiltAngle = 0;
- m_set_pan_tilt_pub.publish(msg);
+ sendTargetReachedMsg();
}
-
- if (m_skip_final_turn)
+ else
{
- ROS_INFO_STREAM("Final turn skipped. Target reached.");
- if (m_path_reaches_target)
- {
- sendTargetReachedMsg();
- }
- else
- {
- sendTargetUnreachableMsg(
- homer_mapnav_msgs::TargetUnreachable::NO_PATH_FOUND);
- }
- return;
+ sendTargetUnreachableMsg(
+ homer_mapnav_msgs::TargetUnreachable::NO_PATH_FOUND);
}
-
- float turnAngle = minTurnAngle(tf::getYaw(m_robot_pose.orientation),
- m_target_orientation);
- ROS_DEBUG_STREAM("homer_navigation::PerformNextMove:: Final Turn. Robot "
- "orientation: "
- << rad2Deg(tf::getYaw(m_robot_pose.orientation))
- << ". Target orientation: "
- << rad2Deg(m_target_orientation)
- << "homer_navigation::PerformNextMove:: turnAngle: "
- << rad2Deg(turnAngle));
-
- if (std::fabs(turnAngle) < m_min_turn_angle)
+ return;
+ }
+ else
+ {
+ if (turnAngle < 0)
{
- ROS_INFO_STREAM(":::::::NEAREST WALKABLE TARGET REACHED BECAUSE lower "
- << m_min_turn_angle);
- ROS_INFO_STREAM("target angle = " << m_target_orientation);
- ROS_INFO_STREAM("is angle = " << tf::getYaw(m_robot_pose.orientation));
- ROS_INFO_STREAM("m_distance_to_target = " << m_distance_to_target);
- ROS_INFO_STREAM("m_desired_distance = " << m_desired_distance);
- if (m_path_reaches_target)
- {
- sendTargetReachedMsg();
- }
- else
- {
- sendTargetUnreachableMsg(
- homer_mapnav_msgs::TargetUnreachable::NO_PATH_FOUND);
- }
- return;
+ turnAngle =
+ std::max(std::min(turnAngle, -m_min_turn_speed), -m_max_turn_speed);
}
else
{
- if (turnAngle < 0)
- {
- turnAngle =
- std::max(std::min(turnAngle, -m_min_turn_speed), -m_max_turn_speed);
- }
- else
- {
- turnAngle =
- std::min(std::max(turnAngle, m_min_turn_speed), m_max_turn_speed);
- }
- geometry_msgs::Twist cmd_vel_msg;
- cmd_vel_msg.angular.z = turnAngle;
- m_cmd_vel_pub.publish(cmd_vel_msg);
+ turnAngle =
+ std::min(std::max(turnAngle, m_min_turn_speed), m_max_turn_speed);
}
+ geometry_msgs::Twist cmd_vel_msg;
+ cmd_vel_msg.angular.z = turnAngle;
+ m_cmd_vel_pub.publish(cmd_vel_msg);
+ }
+}
+
+void HomerNavigationNode::performNextMove()
+{
+ if (m_MainMachine.state() == FOLLOWING_PATH)
+ {
+ followPath();
+ }
+ else if (m_MainMachine.state() == AVOIDING_COLLISION)
+ {
+ avoidingCollision();
+ }
+ else if (m_MainMachine.state() == FINAL_TURN)
+ {
+ finalTurn();
}
}
@@ -1172,16 +1188,16 @@ void HomerNavigationNode::initExplorer()
{
if (!m_explorer)
{
- if (m_map->info.resolution != 0)
- {
- float resolution = m_map->info.resolution;
- m_explorer = new Explorer(m_AllowedObstacleDistance.first / resolution,
- m_AllowedObstacleDistance.second / resolution,
- m_SafeObstacleDistance.first / resolution,
- m_SafeObstacleDistance.second / resolution,
- m_SafePathWeight, m_FrontierSafenessFactor,
- m_unknown_threshold);
- }
+ if (m_map->info.resolution != 0)
+ {
+ float resolution = m_map->info.resolution;
+ m_explorer = new Explorer(m_AllowedObstacleDistance.first / resolution,
+ m_AllowedObstacleDistance.second / resolution,
+ m_SafeObstacleDistance.first / resolution,
+ m_SafeObstacleDistance.second / resolution,
+ m_SafePathWeight, m_FrontierSafenessFactor,
+ m_unknown_threshold);
+ }
}
}
--
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