webots_simulation/launch/robot_launch.py

79 lines
2.4 KiB
Python

import os
import pathlib
import launch
from launch_ros.actions import Node
from launch import LaunchDescription
from ament_index_python.packages import get_package_share_directory
from webots_ros2_driver.webots_launcher import WebotsLauncher
from webots_ros2_driver.utils import controller_url_prefix
def generate_launch_description():
package_dir = get_package_share_directory('sweet_webots_robot')
controllers_dir = os.path.join( package_dir,'controllers')
robot_description = pathlib.Path(os.path.join(package_dir, 'resource', 'sweet_robot.urdf')).read_text()
webots = WebotsLauncher(
world=os.path.join(package_dir, 'worlds', 'sweet_robot.wbt')
#world=os.path.join(package_dir, 'worlds', 'my_world.wbt')
)
my_robot_driver = Node(
package='webots_ros2_driver',
executable='driver',
output='screen',
additional_env={'WEBOTS_CONTROLLER_URL': controller_url_prefix() + 'tracked_robot'},
#additional_env={'WEBOTS_CONTROLLER_URL': controller_url_prefix() + 'my_robot'},
parameters=[
{'robot_description': robot_description},
]
)
pkg_path = get_package_share_directory(
'sweet_webots_robot'
)
urdf_file = os.path.join(
pkg_path,
'urdf',
'rviz_robot.urdf'
)
with open(urdf_file, 'r') as f:
robot_description = f.read()
robot_state_publisher = Node(
package='robot_state_publisher',
executable='robot_state_publisher',
name='robot_state_publisher',
parameters=[
{
'robot_description': robot_description
}
],
output='screen'
)
rviz_node = Node(
package='rviz2',
executable='rviz2',
name='rviz2',
output='screen'
)
path_visualizer = Node(
package='sweet_webots_robot',
executable='path_visualizer',
name='path_visualizer',
output='screen'
)
return LaunchDescription([
webots,
my_robot_driver,
robot_state_publisher,
rviz_node,
#path_visualizer,
launch.actions.RegisterEventHandler(
event_handler=launch.event_handlers.OnProcessExit(
target_action=webots,
on_exit=[launch.actions.EmitEvent(event=launch.events.Shutdown())],
)
)
])