main.lua

math.randomseed(os.time())

require 'src/dependencies'
require 'src/constants'
function love.load()
    love.window.setTitle('Space Wars')
    push:setupScreen(VIRTUAL_WIDTH, VIRTUAL_HEIGHT, WINDOW_WIDTH, WINDOW_HEIGHT, {
        fullscreen = false,
        resizable = true
    })

    offsetY = 0
    offsetX = 0

    gAudio['explosion']:setVolume(0.25)
    gAudio['powerup-1']:setVolume(0.25)
    gAudio['bullets']:setVolume(0.25)

    backgroundWidth, backgroundHeight = background:getDimensions()

    -- statemachine implementation
    gStateMachine = StateMachine{
        ['start'] = function () return StartState() end,
        ['select-craft'] = function () return CraftSelectState() end,
        ['play'] = function () return PlayState() end,
        ['shop'] = function () return ShopState() end,
        ['boss'] = function () return BossState() end,
        ['end'] = function () return EndState() end
    }
    gStateMachine:change('start')

    
    
    love.keyboard.keypressed = {}
end
function love.update(dt)
    if love.keyboard.wasPressed('escape') then
        love.event.quit()
    end

    Timer.update(dt)
    
    gStateMachine:update(dt)
    -- background parallax scrolling
    offsetY = offsetY + SCROLL_SPEED * dt
    offsetY = offsetY % (0.5 * backgroundHeight)

    love.keyboard.keypressed = {}
end
function love.resize(w, h)
    return push:resize(w, h)
  end
function love.keypressed(key)

    love.keyboard.keypressed[key] = true
end
function love.keyboard.wasPressed(key)
    return love.keyboard.keypressed[key]
end
function love.draw()
    push:start()
    
    --draw here
    --love.graphics.translate(offsetX, offsetY)
    love.graphics.draw(background, offsetX, - (0.5 * backgroundHeight) +  offsetY)

    gStateMachine:render()
    push:finish()
end
function tableIsEmpty(table)
    local counter = 0
    for i, v in pairs (table) do
        counter = counter + 1
    end
    if counter == 0 then
        return true
    else
        return false
    end
end