1screenboundary = class:new()
2
3function screenboundary:init(x)
4	self.x = x
5	self.y = -1000
6	self.width = 0
7	self.height = 1020
8	self.static = true
9	self.active = true
10	self.category = 10
11	self.mask = {true}
12end