function love.load()
    local Button = require "button"

    --movement keys
    movement = {}
    mL = Button(8, 27, 24, "a")
    mD = Button(62, 27, 24, "s")
    mR = Button(109, 53, 24, "d")
    mU = Button(127, 144, 30, "space")

    --attack keys
    attack = {}
    bA = Button(159, 29, 24, "u")
    bB = Button(208, 8, 24, "i")
    bC = Button(262, 9, 24, "o")
    bD = Button(317, 16, 24, "p")
    bE = Button(155, 85, 24, "j")
    bF = Button(206, 64,  24, "k")
    bG = Button(262, 64, 24, "l")
    bH = Button(315,72, 24, ";")
end

function love.update(dt)
    --movement keys
    mL:update(dt)
    mD:update(dt)
    mR:update(dt)
    mU:update(dt)

    --attack keys
    bA:update(dt)
    bB:update(dt)
    bC:update(dt)
    bD:update(dt)
    bE:update(dt)
    bF:update(dt)
    bG:update(dt)
    bH:update(dt)
end

function love.draw()

    love.graphics.setBackgroundColor(1, 179/255, 102/255)

    --movement keys
    mL:draw()
    mD:draw()
    mR:draw()
    mU:draw()

    --attack keys
    bA:draw()
    bB:draw()
    bC:draw()
    bD:draw()
    bE:draw()
    bF:draw()
    bG:draw()
    bH:draw()
end