local Constraints = require "lib.simple_ui.constraints"
local SingleChildElement = require "lib.simple_ui.single_child_element"

--- @class Center : SingleChildElement
local element = setmetatable({}, SingleChildElement)
element.__index = element
element.__type = "Center"

function element:layout()
    self.size = Vec3 { self.constraints.maxWidth, self.constraints.maxHeight }

    if not self.child then return end
    self.child.constraints = Constraints(self.constraints)
    self.child:layout()

    self.child.offset = Vec3 {
        self.offset.x + (self.size.x - self.child.size.x) / 2,
        self.offset.y + (self.size.y - self.child.size.y) / 2,
    }
end

return element