The template model for the red-ball in Gazebo was actually not tailored for the radius of the ball. I've therefore regenerated it by means of #18.
The start command has been extended in order to let the simulated robot look (optionally) at a specified location; I do employ this option to make the robot look down during the red-ball test, otherwise the ball will be off the camera.
This PR proposes changes in order to enable the use of Gazebo for the red-ball test as per https://github.com/robotology/icub-basic-demos/pull/32#pullrequestreview-640083769.
A couple of insights on this:
start
command has been extended in order to let the simulated robot look (optionally) at a specified location; I do employ this option to make the robot look down during the red-ball test, otherwise the ball will be off the camera.These changes have been tested successfully ✔️