Other great resources: Official JS API docs, Scripting Forum
setNoGoArea()
setNoGoArea(x1, y1, x2, y2, player)
Creates an area on the map on which nothing can be built. If player is zero, then landing lights are placed. If player is -1, then a limbo landing zone is created and limbo droids placed.
what is a limbo landing zone? and limbo droids?