require "player"

bullet = {}

function bullet.load()
    bullet.x = player.x / 2
    bullet.y = player.y / 2
    bullet.speed = 2
    bullet.width = 2
    bullet.height = 2
end

function bullet.draw()
    love.graphics.setColor(128, 128, 128)
    for i,v in ipairs(bullet) do
        love.graphics.rectangle("fill", v.x, v.y, bullet.width, bullet.height)
    end
end

function bullet.update(dt)
    for i,v in ipairs(bullet) do
        v.x = v.x + (v.dx * dt)
        v.y = v.y + (v.dy * dt)
    end
end

function love.mousepressed(x, y, button)
    if button == "l" then
        local startX = player.x + player.width / 2
        local startY = player.y + player.height / 2
        local mouseX = x
        local mouseY = y

        local angle = math.atan2((mouseY - startY), (mouseX - startX))

        local bulletDx = bullet.speed * math.cos(angle)
        local bulletDy = bullet.speed * math.sin(angle)

        table.insert(bullet, {x = startX, y = startY, dx = bulletDx, dy = bulletDy})
    end
end

function UPDATE_BULLET(dt)
    bullet.update()
    love.mousepressed()
end
function DRAW_BULLET()
    bullet.draw()
end