class zpp_nape.geom.ZPP_MarchSpan
import zpp_nape.geom.MarchingSquares;
Available on all platforms
static var zpp_pool:ZPP_MarchSpan
var next:ZPP_MarchSpan
var out:Bool
var parent:ZPP_MarchSpan
var rank:Int
function new():Void
function alloc():Void
function free():Void