example_atlas_contacts
example_atlas_contacts creates a raisim::World with a 1 ms timestep,
adds ground, loads rsc/atlas/robot.urdf, initializes Atlas at a raised
configuration, and publishes the simulation through raisim::RaisimServer.
Run rayrai_raisim_tcp_viewer in one terminal, then run the example in another:
<raisim-install>/bin/rayrai_raisim_tcp_viewer
<raisim-install>/bin/example_atlas_contacts
The example runs for 20 seconds and focuses the viewer on Atlas.