set god_ [God instance]
$ns_ at 0.0 "$node_(0) setdest 490.0 280.0 3.0"
#$god_ set-dist 1 2 2
#$god_ set-dist 0 2 3
#$god_ set-dist 0 1 1
$node_(0) set Z_ 0.0
$node_(0) set Y_ 100.0
$node_(0) set X_ 100.0