Game Development - 2014-09-22 (page 1 of 4)

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12:01 AM

it widely accepted to get "good" at something (one thing) you have to do it for 10,000 hours

for most people thats about 5 years at a 40 hour a week job

UselessQuestionMaster

oh okay

then 10 years

i would totally try all of those things

UselessQuestionMaster

Well then good bye days of chatting cya

and pursue the ones you really like

haha totally

UselessQuestionMaster

i like all of them :(

12:02 AM

depends if you want to be OK at alot of things but "master" of none of them

i would strongly reccomend at least "mastering" a thing

and still do the rest

UselessQuestionMaster

i'll be happy as ok for all of them except Java/C++ developer

That i shall master

Thank you Joe For your wise words

Cya

no problem man

work hard and you will master all of those things you want to

12:25 AM

I'm not sure if the 10k hours thing is "widely accepted" so much as "a famous quote that kinda sounds about right"

gets the point across though

Hi All

hey icy

you in for a game in maybe 15 20 min?

@Almo Hey telll Icy how to load up his gme. pls.

sure

technology has been liking me so far today, so I don't think I'll lag again XD

Ooo we on about LoL?

12:33 AM

my starbound server isn't even leaking memory right now

no idea what fixed it. I didn't change anything...

@IcyDefiance 32 bit version maybe?

nope, gave up on the 32-bit version. one of the installation steps, compiling some gcc crap, just went into an infinite loop on 32-bit. no idea why.

since I was just following instructions and didn't understand that part anyway, I don't know how to work around it

so it's still running on 64-bit, because at least it works for a couple hours at a time XD

haha

but today, it's been running for 6 hours now and hasn't leaked anything

Madness

12:39 AM

completely

12:53 AM

Hey guys

@OutlawLemur hey :)

How's it going?

Forward

oh today's programming music I found.

adnoiseam.bandcamp.com/track/five-of-eight

1:11 AM

@BlueBug Nice. I had to restrict/compress memory on my computer because Fx murders the frack out of it.

FX?

@BlueBug Fire Fox

Runnng my profiler right now

ah fire fox. Internet browsers now days eat a lot of memory. Yeah.

Yeah Fx consumes about 111.2kB of my hard drive every time I access a site or video or even a picture.

@IcyDefiance ok here

1:18 AM

I have 9.10GB left on my hard drive :/ Trying to figure a way of solving this problem.

aight

@MickLH ok I have table ln_completed_contests, with columns contestid and winningnumber. I have table ln_entries with columns userid, contestid, entry.

I want to get all the winning numbers for any contestid where there are entries for a given userid.

I'm not figuring out how to construct that query :(

I know I could do two queries, but that's just too noob and I can't bear to put it in the codebase.

going into lol game; will respond later if you get this in the next hour. :)

1 hour later…

2:39 AM

So

2 hours later…

4:36 AM

almo -- what you need is a JOIN that allows you to query against two tables related by a foreign key (i.e. there must be a column in each table that stores matching data so you can link up all the info in the 1st table with all the table in the 2nd)

5:31 AM

@almo -- what you need is a JOIN that allows you to query against two tables related by a foreign key (i.e. there must be a column in each table that stores matching data so you can link up all the info in the 1st table with all the table in the 2nd)

at least that will get the message to his inbox so he sees it later :)

3 hours later…

8:29 AM

good morning

Good morning!

8:41 AM

Anyone doing anything exciting?

no sports for the past 6 months, went bouldering yesterday. big mistake. even my hair is aching

Cool! Bouldering sounds like fun

it is! try it if you have the opportunity. I have yet to meet someone who didn't have fun

1 hour later…

9:51 AM

@Almo w3schools.com/sql/sql_join.asp

select userid contestid winningnumber
from in_completed_contests
join in_entries
on in_completed_contests .contestid = in_entries .contestid

something like that maybe

oh and ... morning all :)

This week will be fun for me ... stacking noise functions is the order of the week ... i'm generating voxel planets :)

finally the engine is ready (ish) to handle it !!

got something to look at already?

@Wardy

not yet ... at leat nothing impressive

I only started gathering the bits i need together last night

I also have a ton of notes from discussion and research i've done on this

and a basic model of what i plan to achieve

but this isn't going to be easy :(

hoping @Ascendion will give me a nice smooth mesh gen soon :)

user92578

10:37 AM

Hey!

@Tyyppi_77 hi

10:56 AM

I am the fountain of oppression.

user92578

deep voice And I am the bringer of the light.

user image

3

hmm... they gave me 2 msdn subscriptions

ah @Jon :)

I'd like to pick your brains later !!

do it now, i'm about to smoke a big fat blunt

lol j/k

is your code in c# or you using c++ like all the insane game devs ?

11:02 AM

c#

although I probably shoulda restart everything in c++

j/k again

lol

I was thinking, you want to generate chunks on the fly right?

Iv'e done on the fly chunk loading with accidental noise, but it was a watered down version of what I am doing now in order to speed it up

And it also required a dual core +

if not multithreaded, it was shit.

So if you are doing on the fly 3D, a custom simplex noise is probably better

user92578

This site has it's code areas centered: swiftless.com/tutorials/glsl/7_texturing.html

user92578

:D

LOL, fail.

11:12 AM

that is stunningly stupid!

user92578

#CSSSkills

user92578

#CenteredCodez

I really hope centered code doesn't become a thing... friggen kids these days

user image

"code centered development" sounds like it go viral

@Tyyppi_77 mother of god, that's horrible

@Christoph don't give them antyideas

11:19 AM

right aligned code would be just as horrible

user92578

Not quite as horrible, I think

not in a right-to-left language

Justified code? :P

THAT would be horrible

not-monospaced font

right aligned, with random italicized letters

in comic sans

11:21 AM

Windings

on a white background... egads

In Malbolge

When I see someone code on a white background, I think to myself ... pffffttt noob

Justified windings malbolge

lol... when you die and go to hell, that is what will be there waiting for you

11:22 AM

D:

and you work for EA

Too far

That's just dark man

user92578

It's not fun to refactor your whole rendering code from SDL to OpenGL :(

NSFW

checking editor settings

OK I changed my background from white to a light gray and some bugs disappeared immediately!

11:23 AM

@Tyyppi_77 layers of abstraction!

@Christoph hahaha

if you set it to dark gray, your code will improve even further.

user92578

@OMGtechy It's not that much of work, I have decoupled rendering and game logic quite well

studiostyl.es/schemes/son-of-obsidian

And if you set your text colour to green, you can hack things faster

wow that's magic, I had no idea man!

11:26 AM

@Jon yeh i currently have a custom simplex script but want to switch to a noise lib

unfortunately I can't load color settings in Code::Blocks

@Wardy for caves, or anything in particular?\

i would rather just stack modules together than have to build all that code myself

for the entire planet @Jon

ah... well yeah then.

How have you been doing with LibNoise?

im gonna use LOD settings to determine my sample distances

I haven't really got in to it yet @Jon

11:27 AM

LibNoise is probably better for you

Accidental Noise is not very good for on the fly generation

user92578

How do I nicely render a 2D textured Quad with varying texture coordinates and a varying position? Static position VAO + dynamic texture coord buffer + uniform value for position offset?

yeh i figured this should be my start point ...

libnoise.sourceforge.net/tutorials/tutorial8.html

yeah

since essentially all im doing is that with varying LOD

this only renders a surface though

11:28 AM

and chunk based "sub range selection" when closer in to the volume

if you are gonna go down to voxel level, you have a lot more to do than that :)

yeh when i get to the surface i switch to a 3d generator

if spherical.. you will probably need a 4D

12 D bitches

4D !!!

eh ... there are only 3 dimensions ...whats the 4th for ?

Kevin van der Velden

11:29 AM

All the Ds

float.Maxvalue D

lol

Kevin van der Velden

Pfah, amateur, D[UINT32_MAX]

meh

you and your age old c syntax

Kevin van der Velden

Would you be appreciative of float D[ std::numeric_limits<unsigned int>::max() ]?

static_cast<unsigned int>(-1)

Or event better, use template metaprogramming to give you a random value (by random I mean you can't work it out)

D[WTF::value]

user92578

11:34 AM

How do I convert a pixel-coordinate rectangle that's the area of a texture I want to render to OpenGL supported texture coordinates?

user92578

NVM, I'll do that in load-stage

@Tyyppi_77 normalise to the range 0 - 1 ?

^

@Wardy yeah i've never done 3D noise.. Just thinking about me having to use 3D noise to be able to have a wrapping world

user92578

Doesn't work, since 0.0, 1.0 == topleft

11:35 AM

@Jon fancy having a go ?

I just assumed the same technique is used to generate tileable 3D worlds as well

essentially yeh

But I guess you could do it with just 3D noise

libNoise has a spherical noise renderer built in

I had an article that explained it, but I can't find it

ah cool

11:36 AM

utils::NoiseMapBuilderSphere heightMapBuilder;

libnoise.sourceforge.net/tutorials/tutorial8.html

ah, well that would do it

Then for the actual voxel data though

you might need that 4th plain, to get the data inside the planet to line up

so annoying...

Can't find that damned article

hmm

it was really good

it explained how to map to a 2D world on x-axis

Then on both axis.. then it moved on to 3D

i thought I had bookmarked it

@Tyyppi_77 it does, just apply a little more thought

shadertoy.com/view/4dlGW2

I was considering doing something like this, in a shader

for "on the fly" chunk generations -- would greatly speed things up

12:02 PM

in Lounge<C++> on Stack Overflow Chat, 9 mins ago, by Polymorphic Potato

Can i choose to be gay because i want to have sex with men? I want to be gay so i can have sex with men and stuff. So how do ibecome gay?

Tweeted by YahooAnswersTXT on September 22, 2014 at 11:34 AM

What...

Oo

obvious troll being too obvious

I think we call people who are too stupid for us to comprehend obvious trolls now. Sadly, there are real people in the world that are THIS retarded.

I can't tell either way.

watch this documentary

imdb.com/title/tt0387808

Ooo, that looks interesting

user92578

12:06 PM

"Forgotten, he awakes five centuries in the future." - Hmm, never seen this in a film

if you haven't seen this film

I am envious of you... for I would watch it for the first time again

it is one of the best movies ever made

Sup homies, tips hat

Hey Blue

Hey.

hi

12:15 PM

allo

@Ascendion @wardy Hey thanks! This is what I ended up with, and it seems to work:

SELECT lcc.contestid, winner_userid FROM ln_completed_contests lcc
INNER JOIN ln_entries le ON le.userid = 1 AND lcc.contestid = le.contestid
GROUP BY lcc.contestid

@OMGtechy Huh, I've not really heard of people who want to become gay. Usually it's gay people who want to be heterosexual.

I love finding functions I write when I'm drunk

@Jon looks cool ... @Ascendion wants to do something like this on the gpu

I was thinking about having to write this floodfill for updating liquids -- lo and behold, FloodFillLiquids()

Imagine having a morphing world

12:27 PM

lol

i might prototype that

with voxels thats entirely possible

just have the world morph around you at will

metaballs !!!

jeez im on fire atm

[bucket of water]

12:29 PM

gained 300 rep on gamedev in like a week

not bad for a noob ;)

and it made a difference of 10 to the total count of unanswered questions lol

user92578

How do I create a (correct-name-here) matrix that will translate on-screen-pixel-positions into OpenGL vertex positions?

@Tyyppi_77 opengl.org/discussion_boards/showthread.php/…

you can't get "position" unless you have 2d game. Instead, when you translate screen to world, you will get a line.

*gluUnProject does the magic for you.

user92578

I have a 2D game

@Tyyppi_77 presumably going from 2d to 3d requires a raycast

the other way is determined by multiplying world view and projections together

user92578

I need a way to translate my pixel-world positions into OpenGL positions

user92578

12:38 PM

So instead of (0,0), (16, 16) I need the positions OpenGL like

that depends on the view projection of your game

your camera is looking through a viewport of your "2d world" to see a subsection of it

user92578

Is there a built-in non-deprecated OpenGL function for the view projection?

there's likely some simple way to be able to say "if cam pos is x,y then its frustrum is x,y to x,y"

user92578

I should probably spend some time to actually do this properly instead of juts wrapping this quickly together, but it's not nice having a game with no rendering

user92578

But it might be better to have a game with no rendering than a game with really broken rendering

12:42 PM

@Tyyppi_77 it's all about patience

For people who aren't that good with graphics APIs, such as myself, it takes AGES to get anything good going

But you learn along the way, so it's worth it

@Tyyppi_77 maybe something like this might help ...

3

Q: How to transform 2D world to screen coordinates OpenGL

I'm currently working on implementing an OpenGL powered renderer into a 2D game engine. Because the OpenGL screen coordinate space is [-1,1], I'm a little confused as to how it should be interfaced with a generic, Cartesian 2D world coordinate system. Let's say the viewport in my world is [-500...

opengl screen coordinates transformation

user92578

I have twice done a 3D renderer

user92578

Once properly, once just quickly from a tutorial

Well, if you're asking questions you're still learning something regardless.

(I hope) :P

user92578

Yeah yeah

user92578

12:48 PM

I'm not a master in this, but this doesn't seem right:

user92578

user image

that is the most beautiful purple polygon I have seen all day

It's quite a sexy polygon.

@Tyyppi_77 how do you play this game ?

all hail the mighty purple polygon!

2

12:49 PM

or is this just a visual demo

user92578

I think that the purple polygon is the player, since it randomly moves when I press the player movement keys

its a very nice .... um ... desktop background ?

the purple polygon is truth.

user92578

No it's actually one of the enemies

It's robot jesus

user image

user92578

12:50 PM

Now WTF is wrong...

@OMGtechy lol image not found

Really? works fine for me

@Tyyppi_77 uv coords correct ?

translation matrix could cause this

try transposing

user92578

Oh god I don't have enough strenght to debug this

user92578

starts to think that dropping sdl was the wrong decicion

12:53 PM

@Tyyppi_77 I feel like that atm, writing my own D:

WHY DIDNT I JUST USE MONOGAME

@OMGtechy wierd

that was me last night

I am secretly you in the future but also in the past.

You try parse that with your mind.

f(42)

correct

solved :)

user92578

12:56 PM

I had it all working, except for a small function that SDL is missing. That function would save me from so much work... SDL_RendererSetTextureWrapMode(m_Renderer, SDL_TEXTURE_NOWRAP);

@Tyyppi_77 don't you set that on the sampler for your texture ?

user92578

Yeah, just that

user92578

And then, when SDL renders the texture, it would use that one

hmmm ... seems like an odd place to put that

user92578

Instead of bleeding textures

user92578

1:01 PM

A bit more rectangular:

user92578

user image

@Tyyppi_77 its like mining in minecraft ... when you forget your torches

57

Q: Sort a list and write some English!

Your boss managed to read the secret hidden message. He didn't end up firing you, though, he just made you a secretary and forbade you from writing code. But you're a programmer. You need to write code. You must code. Therefore, your code needs to look as similar to English as possible, make se...

popularity-contest number sorting obfuscation

My ISP just screwed up:
"Problems accessing the My TalkTalk app
Some customers may encounter problems accessing the 'My TalkTalk' smartphone app, It has been reported that some customers are seeing..."

1:16 PM

@OMGtechy just ??? TalkTalk == Screwup permanently

Also true

I couldn't wait to get signed up with virgin :)

my connection: thinkbroadband.com/ping/share/…

quality means a lot in broadband ... its fast too ... TalkTalk use BT lines mostly which are total crap!

even this new "super fast fibre - infinity" is total crap IMO

its half arsed

@Joe the quick and easy way to get PHP up and running is with the Web Platform Installer. It's basically a Wizard that allows you to set up the essentials for whatever it is you need like PHP, IIS Express, MySQL, and WebMatrix (MS's lightweight web development tool).

But yeah whenever you have time let's chat :)

XAMPP

BOOM webserver.

Yeah except its not Windows which was the main point of conversation

So I got a chance to play Destiny's raid this weekend... didn't complete it but made it to a couple phases into the final encounter (I think there was technically one phase after the one we got stuck on)

It's definitely a different ball game than the dungeons

1:30 PM

oh sorry

Though there is a bit of an exploit for one of the boss fights that can be leveraged... =/

not surprising. many, many boss fights suffer this.

No worries :P

it is one reason I don't like them

twitter.com/cbake76/status/513796540880928769/photo/1

blocked ftl

1:30 PM

Lu Bu in Dynasty Warriors. plink him from distance with your bow

user image

Ah

Heh... that is a tricky dialog

good one :)

Can the players who click incorrectly really be upset for being too weak to resist the mind tricks?

hahaha :)

user92578

1:52 PM

I'm seriously considering rolling back to SDL and taking the easier way out: extra 2px around every tile...

@Tyyppi_77 you need a clippy response about now ... I see you are tying to make a computer game, would you like some help with that ?

user92578

I see your trying to decide on rendering... I know in the long run it'd be cool to have OpenGL rendering, but it's so much work and I'm not sure if it's worth it

user92578

The fix for SDL isn't hard to do

Aren't you running into some subpixel problem?

I can't remember

I feel like it's just a math issue though... I know I've had some problems with it an Unity and snapping my camera to the nearest pixel and making sure my sprites were all vertex locked resolved the issue

But I believe there are some different calculations that can be done / have to be done when leveraging an orthographic camera... in Unity I think the camera size was of particular interest but I don't remember what all it dealt with

user92578

2:19 PM

@SpartanDonut Yeah, I had the problem where the pixels from the previous tile in the tilesheet would bleed to the wrong tile

Bleeding? Sounds like another issue altogether then

I don't know what the proper term is but it sounds like something I've resolved using "point" based filtering

user92578

What's that?

I think the alternatives were bilinear and trilinear or something... but I honestly can't remember what the setting was called

user image

In this image for unity the "Filter Mode" has a point option

user92578

Ah, SDL doesn't allow the to change the filter mode

btw: "mySQL" is a dumb name. >:(

2:28 PM

Anyone have that interpolation samples link that was starred here a while back?

user92578

A possible solution would be for me to dump the SDL Auto-scaling, and just scale eveyrthing by hand

user92578

That doesn't result in lines...

imgur.com/a/XQO2H/all - Gallery of 79 faces so far.

2

user92578

The good thing about scaling by hand is that I get rid of the letterboxes

user92578

The bad thing is different monitors with different resolutions

user92578

2:32 PM

stydying swedish, english and health-ed, bbl

@Noctrine My favorite in your gallery is this: i.imgur.com/MNLzhUEs.jpg

that's a good one

@Noctrine Why ?

Why what?

just why !!

2:44 PM

@Wardy why?

Moving along.

WHY?!?!

exactly !!!

Has anyone tried to do background rendering of 3D models here?

@Noctrine like wallpapers?

2:47 PM

@MLM Something like that, more specifically I want to render some character models.

I've done both: fav.me/d7brt5p - fav.me/d7hq118

@Noctrine uh yup

@Noctrine I background render chunks using deferred contexts on threads

@MLM Without any interaction with the design tools?

"procedurally generated models"

ahh, only in Unity. nvm

2:49 PM

procedurally modulated generals

but you're in unity right @Noctrine ?

Unity doesn't matter. I want to do this from my server.

this was one of the reasons I dropped it ... i didn't think it could do this

i still don't think it can

Before I was taking screenshots of the character and sending that to the server for processing. But that is unreliable.

If at all possible, I just want to generate the avatar on the server.

you want to do rendering on the server ?

evil

but doable

2:50 PM

EVE does that

well, it used to. maybe they're rendering on the client when you do your customization then uploading it...

ok, I'm not sure how the system works now ignore that :)

lol

I'm currently generating it on the client, and while it has benefits (like I can tell if people are hacking their client) - it also has big problems where they could hack their client and show some bad stuff to kids before it's caught.

@JohnMcDonald Do you have some time to talk Skippy Fish?

@Noctrine "bad stuff" ?

what kinda game is this ?

One that kids can play.

2:57 PM

@MLM Yeah, a little maybe

@JohnMcDonald I made a list of suggestions: gist.github.com/MadLittleMods/5fdcce56915dffaae828

Speaking of which... hows the Unity version coming along?

The big one in there is the $("#currentDistance") in the Fish update

needslessjquery?

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Sep '1422

Game Development

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