The Big Programming Thread - Page 802

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Thread Rules
1. This is not a "do my homework for me" thread. If you have specific questions, ask, but don't post an assignment or homework problem and expect an exact solution.
2. No recruiting for your cockamamie projects (you won't replace facebook with 3 dudes you found on the internet and $20)
3. If you can't articulate why a language is bad, don't start slinging shit about it. Just remember that nothing is worse than making CSS IE6 compatible.
4. Use [code] tags to format code blocks.

TanGeng

Sanya12364 Posts

November 23 2016 15:18 GMT

#16021

lol

Manit0u

Poland17720 Posts

November 23 2016 16:01 GMT

#16022

On November 24 2016 00:15 tofucake wrote:
[image loading]

some of our devs need to learn how to manage their queries :\

That seems really small compared to what I deal with on a daily basis... One page doing 1.6mil requests in 21 seconds, another one doing 3 requests in 39 seconds...

emperorchampion

Canada9496 Posts

November 23 2016 16:13 GMT

#16023

On November 23 2016 16:16 Acrofales wrote:

Show nested quote +

On November 23 2016 13:23 WarSame wrote:
I'm making a dungeon game and my trolls around running around like they're on meth. I can't figure out how to calm them down. This is in pygame.

The heartbeat:

    def run_game(self):
        # Heartbeat
        while not (self.game_over or self.level.player.is_dead):
            self.handle_events()
            self.move_creatures()
            self.draw_screen()
            pygame.time.wait(100)
        self.end_game()

where draw_screen is

    def draw_screen(self):
        # Update game visuals
        self.screen.fill((0, 0, 0))
        self.draw_blocks()
        pygame.display.flip()
        self.clock.tick(60)

The problem is that I can make the trolls slow down by increasing the wait time between game cycles, but then the player moves too slowly. I'm looking for a fair way to slow down how frequently the trolls move. Any ideas?

I believe the solution is:

self.remove_meth()

If only that worked IRL :/

Cyx.

Canada806 Posts

November 23 2016 16:46 GMT

#16024

    def run_game(self):
        # Heartbeat
        while not (self.game_over or self.level.player.is_dead):
            self.handle_events()
            self.move_creatures()
            self.draw_screen()
            pygame.time.wait(100)
        self.end_game()

where draw_screen is

    def draw_screen(self):
        # Update game visuals
        self.screen.fill((0, 0, 0))
        self.draw_blocks()
        pygame.display.flip()
        self.clock.tick(60)

Maybe I'm misunderstanding this, but I think what you want to do is often done by measuring how much time has passed since the last frame, and passing that value into your `move_creatures()`. Then you can scale that by movement speeds to get movement amounts:


last_time = pygame.time.get_time()
while not game_over:
    time = pygame.time.get_time()
    dt = time - last_time
    self.move_creatures(dt)
    last_time = time

// ...

def move_creatures(dt):
    for c in self.creatures:
        c.position += c.velocity * dt;

Manit0u

Poland17720 Posts

November 23 2016 16:59 GMT

#16025

Have you tried tinkering with the frames? If I remember correctly you can speed up/slow down the game via the frames setting.

tofucake

Hyrule19202 Posts

November 23 2016 17:50 GMT

#16026

On November 24 2016 01:01 Manit0u wrote:

Show nested quote +

That seems really small compared to what I deal with on a daily basis... One page doing 1.6mil requests in 21 seconds, another one doing 3 requests in 39 seconds...

Yeah but 7 million people doing it on the landing page after login :|

Acrofales

Spain18259 Posts

November 23 2016 19:17 GMT

#16027

On November 24 2016 02:50 tofucake wrote:

Show nested quote +

Yeah but 7 million people doing it on the landing page after login :|

I hardly ever visit the landing page. Does that solve your problem?

tofucake

Hyrule19202 Posts

November 23 2016 19:32 GMT

#16028

On November 24 2016 04:17 Acrofales wrote:

Show nested quote +

I hardly ever visit the landing page. Does that solve your problem?

On our website you have to login to see anything (it's a reimbursement program thing) so everyone always sees the landing page.

WarSame

Canada1950 Posts

November 23 2016 19:39 GMT

#16029

On November 24 2016 01:46 Cyx. wrote:

Show nested quote +

    def run_game(self):
        # Heartbeat
        while not (self.game_over or self.level.player.is_dead):
            self.handle_events()
            self.move_creatures()
            self.draw_screen()
            pygame.time.wait(100)
        self.end_game()

where draw_screen is

    def draw_screen(self):
        # Update game visuals
        self.screen.fill((0, 0, 0))
        self.draw_blocks()
        pygame.display.flip()
        self.clock.tick(60)


last_time = pygame.time.get_time()
while not game_over:
    time = pygame.time.get_time()
    dt = time - last_time
    self.move_creatures(dt)
    last_time = time

// ...

def move_creatures(dt):
    for c in self.creatures:
        c.position += c.velocity * dt;

The creatures all move discrete distances. They have a speed, such as 1 or 2, and move that many squares per turn. Otherwise, yeah, that would make sense.

On November 24 2016 01:59 Manit0u wrote:
Have you tried tinkering with the frames? If I remember correctly you can speed up/slow down the game via the frames setting.

Yup. The frame rate is set to a maximum of 60 FPS, and it runs at that on my computer. If I lower that, then they move slower, but the player also now can move multiple times per draw. So I'm looking for a way to slow only the trolls down, without effecting the rest of the game, if that's possible.

On November 23 2016 13:49 meatpudding wrote:

Show nested quote +

    def run_game(self):
        # Heartbeat
        while not (self.game_over or self.level.player.is_dead):
            self.handle_events()
            self.move_creatures()
            self.draw_screen()
            pygame.time.wait(100)
        self.end_game()

where draw_screen is

    def draw_screen(self):
        # Update game visuals
        self.screen.fill((0, 0, 0))
        self.draw_blocks()
        pygame.display.flip()
        self.clock.tick(60)

Lots of ways to do this. In move_creatures you could add a counter like this

counter += 1
if counter < threshold: return
# reset the counter
counter = 0
...
# actual code here

This seems like a possibility. I'll give it a shot. Thanks!

Blisse

Canada3710 Posts

November 23 2016 20:21 GMT

#16030

On November 23 2016 23:17 Nesserev wrote:
SMALL RANT
I'm really frustrated with the 4th Edition of 'The C++ Programming Language' by Bjarne Stroustrup. I loved the Special Edition, but it seems like the magic was lost a bit in this edition, and there's one thing that really fcking triggers me...

Uniform initialization... AKA ugly squiggly braces from hell... they're fucking ugly as shit, and the book is full of it.

This might sound dumb and shit, but it really ruins an otherwise perfectly good book for me.
END OF RANT

I actually really like the way C++ uses initialization lists. Everyone I show is like, whoa, neat, and it's very clear what its purpose is IMO. Also getting more usage in C++17 too so it's basically here to stay. What's wrong with the book?

Manit0u

Poland17720 Posts

November 23 2016 20:49 GMT

#16031

On November 24 2016 05:21 Blisse wrote:

Show nested quote +

I agree that uniform initialization actually makes C++ a lot more concise and the code easier to write and follow. I see nothing wrong with that.

Nesserev

Belgium2760 Posts

November 24 2016 05:17 GMT

#16032

--- Nuked ---

Manit0u

Poland17720 Posts

November 24 2016 13:23 GMT

#16033


    public static function bool2int($variable) {
        if ($variable === TRUE) {
            $result = (int) $variable;
        } else if ($variable === FALSE) {
            $result = (int) $variable;
        } else {
            $result = null;
        }
        return $result;
    }

Kill me...

icystorage

Jollibee19350 Posts

November 24 2016 13:38 GMT

#16034


if ($variable === TRUE) {
            $result = (int) $variable;
        } else if ($variable === FALSE) {
            $result = (int) $variable;

sweet baby jesus

BluzMan

Russian Federation4235 Posts

November 24 2016 21:49 GMT

#16035

On November 24 2016 14:17 Nesserev wrote:

Show nested quote +

There's nothing wrong with the book, and I don't mind when initializer lists are used for actual "lists" (e.g. vectors, strings, etc.). But I genuinely dislike the use of the first line over the second.

int i {0};
int i = 0;

And the book is full of lines like the first one... that's all. This just feels so unnecessary... it's the only C++11/14/17 feature that I can think of that I really dislike.

Curly brackets as a habit save you from the dreaded vexing parse.

BluzMan

Russian Federation4235 Posts

November 24 2016 21:52 GMT

#16036

On November 24 2016 22:23 Manit0u wrote:


    public static function bool2int($variable) {
        if ($variable === TRUE) {
            $result = (int) $variable;
        } else if ($variable === FALSE) {
            $result = (int) $variable;
        } else {
            $result = null;
        }
        return $result;
    }

Kill me...

Why would anyone write PHP these days? Quick and dirty stuff can be done with Node, and "proper" PHP looks a lot like a worse version of Java.

Blitzkrieg0

United States13132 Posts

November 24 2016 21:59 GMT

#16037

On November 25 2016 06:52 BluzMan wrote:

Show nested quote +

On November 24 2016 22:23 Manit0u wrote:


    public static function bool2int($variable) {
        if ($variable === TRUE) {
            $result = (int) $variable;
        } else if ($variable === FALSE) {
            $result = (int) $variable;
        } else {
            $result = null;
        }
        return $result;
    }

Kill me...

Why would anyone write PHP these days? Quick and dirty stuff can be done with Node, and "proper" PHP looks a lot like a worse version of Java.

Because PHP has the biggest market share so if you're maintaining a system it was probably written in PHP.

Manit0u

Poland17720 Posts

November 24 2016 22:12 GMT

#16038

On November 25 2016 06:52 BluzMan wrote:

Show nested quote +

On November 24 2016 22:23 Manit0u wrote:


    public static function bool2int($variable) {
        if ($variable === TRUE) {
            $result = (int) $variable;
        } else if ($variable === FALSE) {
            $result = (int) $variable;
        } else {
            $result = null;
        }
        return $result;
    }

Kill me...

Why would anyone write PHP these days? Quick and dirty stuff can be done with Node, and "proper" PHP looks a lot like a worse version of Java.

"Proper" PHP app can be developed much faster and much cheaper than its Java counterparts while still adhering to all the "enterprise" bullshit.

Also, I'd rather do PHP than JS or, gods forbid, Java... (I know, I'm biased but Java is actually at the bottom of programming languages I'd like to work with and I've tried out quite a lot of them over the past years)

Birdie

New Zealand4438 Posts

November 25 2016 00:47 GMT

#16039

Anyone know of some good quality starter resources for responsive web design? Not using any libraries like bootstrap.

Manit0u

Poland17720 Posts

November 25 2016 02:47 GMT

#16040

On November 25 2016 09:47 Birdie wrote:
Anyone know of some good quality starter resources for responsive web design? Not using any libraries like bootstrap.

Bootstrap is probably the best for starters since many products are using it and many other libraries are based on it (foundation, materialize, etc.). As an added bonus you have plenty of resources for that online.

May I ask why no libraries? There is very little point to reinventing the wheel if it's not absolutely necessary.

What kind of resources do you need exactly? General tips and tricks? Something like Google's material design guides? html5rocks? csstricks?

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