ReiLuaGui basics.

examples/resources/lib/rectangle.lua

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+Rectangle = {}
+Rectangle.meta = {
+	__index = Rectangle,
+	__tostring = function( r )
+		return "{"..tostring( r.x )..", "..tostring( r.y )..", "..tostring( r.width )..", "..tostring( r.height ).."}"
+	end,
+	-- __add = function( v1, v2 )
+	-- 	return Vector2:new( v1.x + v2.x, v1.y + v2.y )
+	-- end,
+	-- __sub = function( v1, v2 )
+	-- 	return Vector2:new( v1.x - v2.x, v1.y - v2.y )
+	-- end,
+	-- __mul = function( v1, v2 )
+	-- 	return Vector2:new( v1.x * v2.x, v1.y * v2.y )
+	-- end,
+	-- __div = function( v1, v2 )
+	-- 	return Vector2:new( v1.x / v2.x, v1.y / v2.y )
+	-- end,
+	-- __mod = function( v, value )
+	-- 	return Vector2:new( math.fmod( v.x, value ), math.fmod( v.y, value ) )
+	-- end,
+	-- __pow = function( v, value )
+	-- 	return Vector2:new( v.x ^ value, v.y ^ value )
+	-- end,
+	-- __unm = function( v )
+	-- 	return Vector2:new( -v.x, -v.y )
+	-- end,
+	-- __idiv = function( v, value )
+	-- 	return Vector2:new( v.x // value, v.y // value )
+	-- end,
+	-- __len = function( v )
+	-- 	local len = 0
+
+	-- 	for _, _ in pairs( v ) do
+	-- 		len = len + 1
+	-- 	end
+
+	-- 	return len
+	-- end,
+	-- __eq = function( v1, v2 )
+	-- 	return v1.x == v2.x and v1.y == v2.y
+	-- end,
+}
+
+function Rectangle:new( x, y, width, height )
+	if type( x ) == "table" then
+		x, y, width, height = table.unpack( x )
+	elseif type( x ) == "nil" then
+		x, y, width, height = 0, 0, 0, 0
+	end
+
+    local o = {
+		x = x,
+		y = y,
+		width = width,
+		height = height,
+	}
+	setmetatable( o, Rectangle.meta )
+    return o
+end
+
+function Rectangle:set( x, y, width, height )
+	if type( x ) == "table" then
+		x, y, width, height = table.unpack( x )
+	elseif type( x ) == "nil" then
+		x, y, width, height = 0, 0, 0, 0
+	end
+
+	self.x = x
+	self.y = y
+	self.width = width
+	self.height = height
+end
+
+function Rectangle:arr()
+	return { self.x, self.y, self.width, self.height }
+end
+
+function Rectangle:unpack()
+	return self.x, self.y, self.width, self.height
+end
+
+function Rectangle:clone()
+	return Rectangle:new( self.x, self.y, self.width, self.height )
+end
+
+return Rectangle