function wordwrap(str)
    local x,y = term.getCursorPos()
    local tW,tH = term.getSize()
    for w in str:gmatch("%S+") do
        local x1,y1 = term.getCursorPos()
        if x1+(#w*3) >= tW then
            bigfont.bigPrint(" ")
            local x2,y2 = term.getCursorPos()
            term.setCursorPos(x,y2)
        end
        bigfont.bigWrite(w.." ")
    end
end
function self.render()
    term.setCursorPos(self.x1,self.y1)
    term.setBackgroundColor(colors.cyan)
    term.setTextColor(self.txtcolor)
    wordwrap(self.txt)
end