love2d game updated 1.5

createEnemyTimerMax = 0.6
createEnemyTimer = createEnemyTimerMax

pauseTimerMax = 0.1
pauseTimer = pauseTimerMax

saved = false
isAlive = false
isPaused = false
score = 0
scores = {}

cheat1ac = false
cheat2ac = false

canShoot = true
canShootTimerMax = 0.2
canShootTimer = canShootTimerMax

bulletImg = nil
lrDir = 0
udDir = 0

bullets = {}
enemies = {}

themes = {
love.audio.newSource("assets/sounds/repost.mp3","stream"),
love.audio.newSource("assets/sounds/sbq.mp3","stream"),
love.audio.newSource("assets/sounds/stars.mp3","stream"),
love.audio.newSource("assets/sounds/swing.mp3","stream"),
love.audio.newSource("assets/sounds/wii.mp3","stream")}

theme = math.random(1,#themes)

particle = {}

function CheckCollision(x1,y1,w1,h1, x2,y2,w2,h2)
  return x1 < x2+w2 and
         x2 < x1+w1 and
         y1 < y2+h2 and
         y2 < y1+h1
end

function formatTable()
    table.sort(scores,function(a,b) return a>b end)
    return "scores = {"..table.concat(scores, ", ").."}"
end

function love.load(arg)
    if love.filesystem.exists("save.nibba") then
        local run = love.filesystem.load("save.nibba")
        run()
    end

    player = { x = 200, y = 200, speed = 450, img = nil}
    main_img = love.graphics.newImage('assets/sprites/Player_John.png')
    player.img = main_img
    player.x = (love.graphics.getWidth()/2)-(player.img:getWidth()/2)
    player.y = (love.graphics.getHeight()/2)-(player.img:getWidth()/2)
    bltrecover = love.graphics.newImage("assets/sprites/L.png")
    bulletImg = love.graphics.newImage("assets/sprites/L.png")
    jooshrecover = love.graphics.newImage("assets/sprites/Joosh.jpg")
    scndImg = love.graphics.newImage("assets/sprites/Player_JohnSmall.png")
    enemyImg = {
        love.graphics.newImage("assets/sprites/Danny.jpg"),
        love.graphics.newImage("assets/sprites/Jerrod.jpg"),
        love.graphics.newImage("assets/sprites/Joosh.jpg"),
        love.graphics.newImage("assets/sprites/Agent.jpg"),}

    hit = {
        love.audio.newSource("assets/sounds/funny.wav","static"),
        love.audio.newSource("assets/sounds/funny2.wav","static"),
        love.audio.newSource("assets/sounds/funny3.wav","static"),
        love.audio.newSource("assets/sounds/funny4.wav","static"),
        love.audio.newSource("assets/sounds/funny5.wav","static"),
        love.audio.newSource("assets/sounds/funny6.wav","static"),
        love.audio.newSource("assets/sounds/funny7.wav","static"),
        love.audio.newSource("assets/sounds/funny8.wav","static"),
        love.audio.newSource("assets/sounds/funny9.wav","static")}

    local img = bulletImg



    love.audio.setVolume(0.7)
end


function love.update(dt)

    if love.keyboard.isDown('escape') then
        if saved == false then
            table.insert(scores,score)
            saved = true
        end
        if love.filesystem.exists("save.nibba") then --sorry i've never worked with filesystems before. just starting out.
            love.filesystem.write("save.nibba",formatTable())
        else
            local file = love.filesystem.newFile("save.nibba")
            file:open("w")
            file:write(formatTable())
            file:close()
        end
        love.event.push('quit')
    end
    pauseTimer = pauseTimer - (1*dt)
    if love.keyboard.isDown("space") and isPaused == false and pauseTimer < 0 and isAlive then
        isPaused = true
        love.audio.pause(themes[theme])
        pauseTimer = pauseTimerMax
    elseif love.keyboard.isDown("space") and isPaused == true and pauseTimer < 0 and isAlive then
        isPaused = false
        love.audio.resume(themes[theme])
        pauseTimer = pauseTimerMax
    end

    if love.keyboard.isDown("j") and love.keyboard.isDown("o") and love.keyboard.isDown("h") and love.keyboard.isDown("n") and cheat1ac == false then
        bulletImg = scndImg
        player.speed = 550
        cheat1ac = true
    end

    if love.keyboard.isDown("d") and love.keyboard.isDown("a") and love.keyboard.isDown("n") and love.keyboard.isDown("k") and cheat2ac == false then
        cheat2ac = true
        player.img = enemyImg[3]
        enemyImg[3] = main_img
    end

    if isPaused == false then

    canShootTimer = canShootTimer - (1*dt)
    if canShootTimer < 0 then
        canShoot = true
    end

    if love.mouse.isDown(1) then
    if isAlive and canShoot then
        local x,y = love.mouse.getPosition()
        local startX = player.x + ((player.img:getWidth() / 2) - bulletImg:getWidth()/2)
        local startY = player.y + ((player.img:getHeight() / 2) - bulletImg:getHeight()/2)
        local mouseX = x - bulletImg:getWidth()/2
        local mouseY = y - bulletImg:getHeight()/2

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

        local bulletDx = score > 60 and 900 * math.cos(angle) or 600 * math.cos(angle)
        local bulletDy = score > 60 and 900 * math.sin(angle) or 600 * math.sin(angle)
        local bulletDz = nil
        local bulletDw = nil
        if cheat1ac then
            bulletDz = score > 60 and 900 * math.cos(angle+1.57079633) or 600 * math.cos(angle+1.57079633 )
            bulletDw = score > 60 and 900 * math.sin(angle+1.57079633) or 600 * math.sin(angle+1.57079633 )
        end
        table.insert(bullets, {x = startX, y = startY, img = bulletImg, dx = bulletDx, dy = bulletDy})
        if cheat1ac == true then
            table.insert(bullets, {x = startX, y = startY, img = bulletImg, dx = 0-bulletDx, dy = 0-bulletDy})
            table.insert(bullets, {x = startX, y = startY, img = bulletImg, dx = bulletDz, dy = bulletDw})
            table.insert(bullets, {x = startX, y = startY, img = bulletImg, dx = 0-bulletDz, dy = 0-bulletDw})
        end
        canShoot = false
        canShootTimer = canShootTimerMax
    end
    end


    if love.keyboard.isDown('left','a') then
        if player.x > 0 then -- binds us to the map
            player.x = player.x - (player.speed*dt)
        end
        lrDir = -1
    elseif love.keyboard.isDown('right','d') then
        if player.x < (love.graphics.getWidth() - player.img:getWidth()) then
            player.x = player.x + (player.speed*dt)
        end
        lrDir = 1
    end

    if love.keyboard.isDown('up','w') then
        if player.y > 0 then
            player.y = player.y - (player.speed*dt)
        end
        udDir = -1
    elseif love.keyboard.isDown('down','s') then
        if player.y < (love.graphics.getHeight() - player.img:getHeight()) then
            player.y = player.y + (player.speed*dt)
        end
        udDir = 1
    end

    for i, bullet in ipairs(bullets) do
        if cheat2ac and #enemies > 0  then
            local closest = {dist = 100000,index = 1}
            for i,v in ipairs(enemies) do
                if ((v.x-bullet.x)^2+(v.y-bullet.y)^2)^0.5 < closest.dist then
                    closest = {dist = ((v.x-bullet.x)^2+(v.y-bullet.y)^2)^0.5, index = i}
                end
            end
            local angle = math.atan2((enemies[closest.index].y - bullet.y), (enemies[closest.index].x - bullet.x))
            local bulletDx = score > 60 and 900 * math.cos(angle) or 600 * math.cos(angle)
            local bulletDy = score > 60 and 900 * math.sin(angle) or 600 * math.sin(angle)
            bullet.x = bullet.x + (bulletDx * dt)
            bullet.y = bullet.y + (bulletDy * dt)
        else
            bullet.x = bullet.x + (bullet.dx * dt)
            bullet.y = bullet.y + (bullet.dy * dt)
        end

        if bullet.y+ bullet.img:getHeight() < 0 or bullet.y > (love.graphics.getHeight() + bullet.img:getHeight()) or bullet.x+ bullet.img:getWidth() < 0 or bullet.x > (love.graphics.getWidth() + bullet.img:getWidth()) then -- remove bullets when they pass off the screen
            table.remove(bullets, i)
        end
    end


    for i, enemy in ipairs(enemies) do
        for j, bullet in ipairs(bullets) do
            if CheckCollision(enemy.x, enemy.y, enemy.img:getWidth(), enemy.img:getHeight(), bullet.x, bullet.y, bullet.img:getWidth(), bullet.img:getHeight()) then
                if score < 29 or cheat2ac then
                    table.remove(bullets, j)
                end
                local tPartic = {
                p = love.graphics.newParticleSystem(bulletImg, 8),
                x= enemy.x,
                y = enemy.y}

                tPartic.p:setSizes(0.8,0.7,0.6,0.5,0.4)
                tPartic.p:setSizeVariation(0.2)
                tPartic.p:setParticleLifetime(1, 3) -- Particles live at least 2s and at most 5s.
                tPartic.p:setLinearAcceleration(-50, 100, 50, 600) -- Randomized movement towards the bottom of the screen.
                tPartic.p:setSpeed(100,400)
                tPartic.p:setColors(255, 255, 255, 255, 255, 255, 255, 0) -- Fade to black.
                tPartic.p:setAreaSpread("normal", 15, 15 )
                tPartic.p:emit(8)
                table.insert(particle,tPartic)
                table.remove(enemies, i)
                if #particle >  7 then
                    table.remove(particle,1)
                end
                score = score + 1
                if math.random(1,4)==0 then
                love.audio.play(hit[math.random(1,#hit)])
                end
            end
        end
    end

    for i, enemy in ipairs(enemies) do
        if CheckCollision(enemy.x, enemy.y, enemy.img:getWidth(), enemy.img:getHeight(), player.x, player.y, player.img:getWidth(), player.img:getHeight()) and isAlive then
            table.remove(enemies, i)
            isAlive = false
            saved = true
            table.insert(scores, score)
            table.sort(scores,function(a,b) return a>b end)
        end

        local angle = math.atan2((player.y - enemy.y), (player.x - enemy.x))
        local bulletDx = score > 29 and 350 * math.cos(angle) or 250 * math.cos(angle)
        local bulletDy = score > 29 and 350 * math.sin(angle) or 250 * math.sin(angle)

        enemy.x = enemy.x + (bulletDx * dt)
        enemy.y = enemy.y + (bulletDy * dt)
        if isAlive == false then
            enemies = {}
        end
    end

    createEnemyTimer = createEnemyTimer - (1 * dt)
    if createEnemyTimer < 0 and isAlive then
        createEnemyTimer = createEnemyTimerMax

        -- Create an enemy
        yopt = {math.random(love.graphics.getHeight(),love.graphics.getHeight()+70),math.random(-70,0)}
        xRand = math.random(-70,love.graphics.getWidth()+70)
        yRand = (xRand < 0 or xRand > love.graphics.getWidth()) and math.random(0,love.graphics.getHeight()) or yopt[math.random(1,2)]
        newEnemy = { x = xRand, y = yRand, img = enemyImg[math.random(1,#enemyImg)] }
        table.insert(enemies, newEnemy)
    end




    if score == 60 then
        createEnemyTimerMax = 0.45
    elseif score == 90 then
        canShootTimerMax = 0.1
        createEnemyTimerMax = 0.3
    end
    for i,v in ipairs(particle) do
        v.p:update(dt)
    end

    if not isAlive and love.keyboard.isDown('r') then
    -- remove all our bullets and enemies from screen
    bullets = {}
    enemies = {}

    -- reset timers
    score = 0
    canShootTimerMax = 0.2
    canShootTimer = canShootTimerMax
    createEnemyTimer = 0.6
    createEnemyTimer = createEnemyTimerMax
    cheat1ac = false
    cheat2ac = false

    player.img = main_img
    bulletImg = bltrecover
    enemyImg[3] = jooshrecover

    -- move player back to default position
    player.x = (love.graphics.getWidth()/2)-(player.img:getWidth()/2)
    player.y = (love.graphics.getHeight()/2)-(player.img:getWidth()/2)

    -- reset our game state
    saved = false
    isAlive = true
    isPaused = false
    love.audio.rewind(themes[theme])
    love.audio.pause()
    love.audio.setVolume(0.7)
    theme = math.random(1,#themes)
    love.audio.play(themes[theme])
    end
end
end


function love.draw(dt)
    love.graphics.setColor(86,12,81)
    love.graphics.rectangle("fill",0,0,love.graphics.getWidth(),love.graphics.getHeight())
    love.graphics.setColor(255,255,255)
    love.graphics.print("Score "..score, love.graphics:getWidth()/2-30, 5)

    if isAlive then
        love.graphics.draw(player.img, player.x, player.y)
    else
        love.graphics.print("Press 'R' to Start", love.graphics:getWidth()/2-50, love.graphics:getHeight()/2-100)
        love.graphics.print("Top Scores", love.graphics:getWidth()/2-30, love.graphics:getHeight()/2-85)
        for i=1,#scores > 10 and 10 or #scores do
            love.graphics.print(i.." : "..scores[i],love.graphics:getWidth()/2-20, love.graphics:getHeight()/2-70+15*i)
        end
    end

    for i, bullet in ipairs(bullets) do
        love.graphics.draw(bullet.img, bullet.x, bullet.y)
    end

    --love.graphics.draw(psystem, love.graphics.getWidth()/2, love.graphics.getHeight()/2)
    for i,v in ipairs(particle) do
        love.graphics.draw(v.p,v.x,v.y)
    end

    for i, enemy in ipairs(enemies) do
        love.graphics.draw(enemy.img, enemy.x, enemy.y)
    end
    if isPaused == true then
    love.graphics.print("Press Space to Unpause", love.graphics:getWidth()/2-75, love.graphics:getHeight()/2-10)
    end
end