View difference between Paste ID: 3Xm7n8Yr and 0KwkyTQi

 -- home.lua
 local backToButton = containerClass.new(sceneGroup)
 print(backToButton.swapColorsOnTap) -- This returns false
 backToButton.swapColorsOnTap = true
 print(backToButton.swapColorsOnTap) -- This returns true
 
 
 -- container.lua
 require "lib.utils"
 local boxClass = require("classes.box")
 
 local _M = {}
 
 -- Default values for the feature class
 local self = {
 	-- Public Variables
 	contains = {}, 	-- a table of boxes
 	popUps = {},	-- a table of containers
 	popUpsVisible = false,
 	swapColorsOnTap = false,
 
 	-- Private Variables
 	parent = nil,
 	group = nil,
 	class = "Container",
 	isType = "Unknown",
 }
 
-function self.onTap (event)
+function self:tap(event)
-	print ("container was tapped")
+	print("container was tapped")
 	print(self.swapColorsOnTap) -- This always returns false
 	if self.swapColorsOnTap then
 		print ("swapColorsonTap is true!")
-		for i = 1, #contains do
+		for i = 1, #self.contains do
 			print("got a box")
-			if contains[i].class == "Box" then contains[i]:swapColors() end
+			if self.contains[i].class == "Box" then self.contains[i]:swapColors() end
 		end
 	end
 	return true
 end
 
 function self:init(parentGroup)
-	print ("Initializing the container")
+	print("Initializing the container")
 	-- Create a group for the container and insert it into the parent group
 	self.group = display.newGroup()
-	parentGroup:insert( self.group )
+	parentGroup:insert(self.group)
-	self.group:addEventListener( "tap", self.onTap )
+	self.group:addEventListener("tap")
 end
 
 -- Create a new instance of the feature class, use the options if provided.
 function _M.new(group)
 	local newContainer = table.deepcopy(self)
 	newContainer:init(group)
 	return newContainer
 end
 
 return _M