fix:gazebo spawn entity error #44
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This pull request updates the launch sequence for the vehicle simulator to improve the timing and configuration of component initialization. The main changes are the introduction of delayed spawning for key simulation components and enhanced configuration for the Gazebo launch.
Launch timing improvements:
lidar,robot, andcameranodes withTimerAction-based delayed spawns, ensuring these components are launched at specific intervals after the simulation starts. [1] [2]Gazebo launch configuration enhancements:
start_gazebolaunch description to accept and pass additional launch arguments, allowing for more flexible configuration of the simulation environment (e.g., world selection, GUI, simulation time, pause state, verbosity, and recording options).