Game Development

I guess also I am wondering if the user draws the intersecting lines and the relative angles are 120 and 60 for obtuse and acute, how do I know what to restrict or which direction to proceed?

Jon

you should write a small demo that calculates the angle between your intersection point, and the mouse

Dev2rights

you have totally lost me now

Jon

3:14 PM

you can then visually see what you are doing

keep adding to your demo till you ahve what you want

Kala J

lol

Jon

might be funny but that is how I writ pretty much everything I do

start small, decoupled, proof of concept

then add it into your project

Kala J

I think maybe I am confusing myself

Dev2rights

me too, all my math is visible when you turn on gizmos

other wise id have no hope in hell debuging it visually

user92578

I always go right into the features and spend days looking for small bugs in the math code

Jon

3:16 PM

i have like 100 prototype folders

Kala J

wait let me show what I have now

in a drawing with more info

Hjorthenify

I still have one problem with my math -.-

Kala J

Hjorthenify

At 0 degrees my robot turns the opposite way, lol

Jon

@Hjorthenify i have a fix for that

Kala J

3:17 PM

crappy not to scale drawing but but when I draw two intersecting lines, I calculate the angle between the lines

Jon

public static float WrapAngle(float angle)
{
    angle = (float)Math.IEEERemainder((double)angle, 6.2831854820251465); //2xPi precission is double
    if (angle <= -3.141593f)
    {
        angle += 6.283185f;
        return angle;
    }
    if (angle > 3.141593f)
    {
        angle -= 6.283185f;
    }
    return angle;
}

Kala J

So in the drawing it is 120 deg for obtuse and 60 angles for acute, for example

Jon

everytime you change your angle, just run it through this wrapping function

Kala J

Now the user just wants to get to 90

How can I get it so the user gets to 90

Hjorthenify

@Jon It's not that, but it calculates the distance it has to go as the opposite way

Kala J

3:18 PM

from where they are

Dev2rights

interesting function, i always use Pythagoras to calculate angles between 2 points

Jon

this doesn't calculate an angle

Dev2rights

just rounding ?

Jon

it wraps your angle around PI

instead of going nonstop

Dev2rights

oh i see

Jon

3:19 PM

so, if you hit 3.14 -- it goes to -3.14

it is important for my day/time thing

Hjorthenify

@Jon I'm in degrees though because that's what eulers want :P

Jon

as I calc time based off of PI

DegToRad is literally a multiplication

float rad = deg * Mathf.Deg2Rad;

Kala J

Icy Defiance

angle = (angle + PI) % (2*PI) - PI;
just 'cuz I hate using if statements if math can do the job

Kala J

kind of like that

Almo

3:22 PM

in another series for B2

Hjorthenify

@Jon Yeah, but the problem is not that it goes past PI, but that the difference between the angles are calculated to be going in the wrong directionif one of them is at 270 an the other at 2

Icy Defiance

@Almo don't invite me. I'll probably go 1/8 again. -.-

Almo

hahah

didn't seem entirely your fault man

Jon

@Hjorthenify what are you using to calc it?

Hjorthenify

Math :P

    public static float TurnLimited(float currentAngle, float desiredAngle, float limit)
    {
        float diff = currentAngle - desiredAngle;
        if(diff < -180)
        {
            diff = 360 - Mathf.Abs(diff);
            diff = -diff;

        }
        else if (Mathf.Abs(diff) > 180)
        {
            Debug.Log(diff);
            diff = 360 - diff;
        }

        if (Mathf.Abs(diff)  <= limit)
         {
             return desiredAngle;
         }
         else
         {
           //  return currentAngle + limit*(diff/Mathf.Abs(diff));

Icy Defiance

3:23 PM

@Almo it was 1/2 my fault, 1/4 shit luck, and 1/4 naut being incapable of ganks. so mainly my fault.

Almo

heh ok :)

Jon

every try a hinge joint?

Almo

oh shit

I see what you meant naut synergy

he's got a launcher

Hjorthenify

Basically if desired angle is within the limit, then go there, otherwise tell the object which direction to turn to get there the fastest

@Jon Thought about it, but I would need to add RigidBodies for that

Almo

he should have come by for the gank, depth charge and you get guaranteed ult on them

Icy Defiance

3:24 PM

yep, and thresh's E gives me a short window to ult too, but that entire game I didn't get a chance to use either

Almo

oh shit

Xin really was on your ass there

Icy Defiance

yeah I could've turret hugged to stop xin after the first death or two. I would've been useless, but I wouldn't have kept dying. I just didn't expect him to keep showing up after ahri was already ahead.

Almo

You once told me: "A jungler is not supposed to gank the losing lane to save it. He should gank a winning lane to amass more kills"

user92578

Aww yeah dynamic rendering scaling based on the window size:

user92578

Almo

3:27 PM

Maybe he took your advice :)

Icy Defiance

yeah but no one actually does that in silver, lol

except him

Almo

hahah :)

looks nice Tyyppi

user92578

thanks

user92578

kinda still need to figure out how I'm going to round that

user92578

the formula is screenWidth / 480

Jon

3:28 PM

Cool

user92578

But it definitely needs to be rounded to something, as otherwise the rendering will look wavy

Blue Bug

I am deeply sorrowed by my shitty cpu; I cannot play good simulation games for a long time

If the sim gets large enough, then my cpu starts to chocking for memory then freeze to death.

user92578

^ :(

Almo

at least it's not overheating. ducks

Blue Bug

with blazing fever of course.

Almo

3:33 PM

oh ok. :)

Blue Bug

Which is the reason why I have a separate cooler beneath my laptop (which is still not good enough, my laptop loves sim games and gets ever hotter).

Hjorthenify

@Jon Errhh Jon I just realized.. The code works fine but mirrors at 90 degrees...

Almo

last game I downloaded that I couldn't play on my computer was Cities in Motion 2 before I had the Black Cylinder. Now that I have it, I can't be bothered to learn to play it. Too complex.

user92578

Rounding to the nearest 0.2 seems to work nicely

user92578

not really

user92578

3:41 PM

0.5

user92578

That'll do for now

Almo

I'm invisible. I'm invisible. An eraser of love. An eraser of love. Why don't you call me I feel like flyin' too. Why don't you call me I feel like flyin' too.

Icy Defiance

lol I'm trying to read an excel file using ClosedXML. one of the cells contains a formula that errors out in excel. ClosedXML just sets the value to 0 instead of throwing an exception or anything, and there's no way to figure out that the formula is broken.

0 is a valid value for other cells in the same column, so I can't just test for that

fuck silent errors

user92578

yeah

user92578

Next up: Initializing the menu button values to their correct settings values

user92578

3:44 PM

That's going to be real annoying

user92578

I think I'm just going to do a method that sets all the list button values at load

user92578

Aight, works

user92578

I'm off

user92578

This was a nice and productive day

SpartanDonut

4:18 PM

Last night I learned Bloodborne has a lock on targeting feature for fighting. The game got much easier after I accidentally triggered it. Not sure how I missed that memo.

Icy Defiance

4:29 PM

lol yeah that's required in most of dark souls

SpartanDonut

I don't know if I knew that in DS either... didn't get too far though

Icy Defiance

backfires once in a while, mainly when the enemy is real tall, but it's useful in any other combat

SpartanDonut

I made a ton of progress last night thanks to that

Icy Defiance

btw Donut, do you read excel files with C# very often?

I've pretty much given up on ClosedXML being able to solve my problem. Need a different way to read them.

SpartanDonut

Will your app be run on a machine with office installed?

Icy Defiance

4:33 PM

it should be

I can double-check later

SpartanDonut

Excel interop

If it's a server environment you are not supposed to install office on it and use interop though

But if its a client PC, get office installed and use excel interop

Jon

interops yuck

SpartanDonut

yuck but it works

Now if it were a CSV.... lots of options

mainly pick a library and convert it to objects

Icy Defiance

yeah I have a different function for CSV that works fine

Jon

excel is open format

they just make is so ridiculously hard to do anything with the file, that there is no point in trying

SpartanDonut

4:36 PM

Which is why resorting to interop isn't as crazy as it sounds lol

It's possible there is a good library out there

I don't know what it is though

Icy Defiance

yeah I might have to go with interop

kind of worried about how formulas will work that way...but I guess I'll find out

lol and the interop library uses dynamic crap everywhere. how am I supposed to know what to type?

Jon

interops yuck.

a lot of it will be trial and error

it sucks so bad you have no idea

Drunk Judge Judy 1

►

Icy Defiance

4:54 PM

fuck it I'll just dive into the source of ClosedXML and make it throw an exception when I want it to

SpartanDonut

what are you even trying to do? lol

Icy Defiance

read an excel file and insert the rows into a database

problem is the excel file is (a) autogenerated and (b) contains formulas

and if one of the formulas returns an error, my program is supposed to fail intelligently

when reading with ClosedXML, it doesn't tell me that the formula returned an error. it just gives me the value 0 for no reason.

so I need some kind of indicator that the formula is broken so I can give an appropriate message to the user

SpartanDonut

interesting

Pip

heyo

SpartanDonut

This is the part where I start investigating where the excel file is coming from and why excel, and if we can replace excel, etc.

Icy Defiance

5:07 PM

I'd have to ask my boss, and he'd have to ask someone at the company we're doing this for, who might have to ask his boss... lol

it might come down to that, but I'd rather figure it out if possible

SpartanDonut

Depends on how much time you've been allotted to figure it out I suppose

A lot of times its faster (or at least more beneficial to outweigh the added cost) to replace the bullshit component than it is to work around it.

Icy Defiance

uhh, 4 more hours, lol. this was supposed to be a real simple project, and except for this problem, it was.

ooh, exporting as CSV gives #VALUE! wherever the formulas error out. I wonder if I can make Interop just do that...

Blue Bug

i'm invisible... an eraser of love...why dont you call me i feel like flying in two...i scream..!!!!!i scream so much!!!!

William 'MindWorX' Mariager

@IcyDefiance I was about to say, get a CSV some way :)

MickLH

@SpartanDonut You're such a good employee.

SpartanDonut

5:20 PM

I'm a lazy employee

who hates doing bullshit work

MickLH

Lol but you think from the perspective of the company

SpartanDonut

Kind of lol

MickLH

When I'm hired as a programmer, I'm not a consultant :P

SpartanDonut

I think from the perspective of how can I do the least or most satisfying work

And then I skew that perspective in a way to persuade them that its the right choice

MickLH

Lol close enough

SpartanDonut

5:23 PM

:D

MickLH

Many people would just take the bullshit work, get paid, and then afterwards say "but doing it this way would be better in the long run"

Maybe people don't mean to do that and they just realized after

Icy Defiance

me: xlApp.Quit();
excel: lol no
me: read from csv
windows: can't open csv 'cuz it's in use

Jon

i did quite a lot of stuff in excel vba

i wrote a chart generator for scientists

Pip

@IcyDefiance that's annoying

@Jon ~~tiles did not happen yesterday, but I actually have time today~~

Jon

@IcyDefiance stackoverflow.com/questions/15697282/…

Pip

5:35 PM

Actually, let me revise that. I got tile maps loading, but the pool needs to finish

Jon

nice

i got my day/time working

Pip

the tiles happened but are not being rendered because the renderers are not pooled correctly for draws yet

Nice!

Pic?

Icy Defiance

@Jon yeah I already fixed it, though it wasn't that complicated. I needed to force the workbook to close without saving changes...even though I had just called SaveAs()...

stupid interop

Jon

still needs work

MickLH

extra dope

Jon

5:38 PM

:D

22

Q: Stumped in Malbolge

I am currently writing a text-adventure type game in Malbolge. Can anyone tell me how to accept a user input in Malbolge? I am able to output text to the screen, however, I can't seem to figure out how to accept input.

malbolge

OMGtechy

@Jon why are you even doing this xD

Jon

i posted that question in 2009 lol

OMGtechy

oh right xD

Icy Defiance

> named after the eighth circle of hell in Dante's Inferno, the Malebolge

lol

Almo

99-bottles-of-beer.net/language-malbolge-995.html

check out the discussion of that malbolge program

they try to figure out if it just outputs the text, or if it's actually looping

the consensus is that it must be looping.

Jon

5:51 PM

heh, that is cool

Almo

:D

Jon

godotengine.org/wp/godot-1-1-out

they have added a ton of 2d stuff

still nowhere near what unity offers, but open source, and getting there

Almo

well-named

Waiting for Godot

Waiting for Godot (/ˈɡɒdoʊ/ GOD-oh) is an absurdist play by Samuel Beckett, in which two characters, Vladimir and Estragon, wait endlessly and in vain for the arrival of someone named Godot. Godot's absence, as well as numerous other aspects of the play, have led to many interpretations since the play's 1953 premiere. It was voted "the most significant English language play of the 20th century". Waiting for Godot is Beckett's translation of his own original French version, En attendant Godot, and is subtitled (in English only) "a tragicomedy in two acts". The original French text was composed between...

type "Waiting for" into wikipedia and this is the top suggestion

MickLH

built-in 2d shadows is kinda awesome imo

Jon

I agree

2d normal mapping

they also have the navmesh

that unity requires a hack for in 2d (axis flipping)

Almo

6:01 PM

just looking at the feature page of godot, I have to say I'm impressed.

Jon

look at the feature video

Godot 1.1 New Features

►

Almo

I imagine the following image having fight game sound effects and a KO at the end.

(found this as some Last.FM user's avatar)

Jon

they wink with both eyes

Almo

they? it's one girl, multiple winks.

Probably a pop star, given the music taste of the guy who was using it

MickLH

When I try really hard to imagine the sound effects, The rotation shake comes for free :D

Almo

6:08 PM

:)

Jon

SpartanDonut

lolwat

Icy Defiance

oh god it's the face again

is that the one alex used to spam here, or something different?

MickLH

Extremely severe gum disease

Almo

it's different

similar idea, but not the same one

this isn't nearly as creepy

MickLH

6:14 PM

lol I feel excluded because I don't get the shock out of it

I didn't expect everyone to trip about it, I just thought, "man that's kinda lame artwork but I guess ok for a first try or something"

SpartanDonut

My gut tells me it's the same image just shopped

MickLH

^ feel like this to me, but maybe Jon is just a pro at invoking old memories with new images

Jovito

this was it

SpartanDonut

well maybe not then

Or was there also a front perspective one?

Jon

MickLH

6:17 PM

lol it's derpy mario

SpartanDonut

MickLH

shupe detected some of the pixels... seen quite a few in my day

Jon

anyone got requests?

i'll make you a sprite right now

MickLH

cop version and terrorist version!

SpartanDonut

I need a lumberjack

Jon

6:19 PM

i meant anything at all, lol

SpartanDonut

the protagonist of my platformer will wear various beards to change his abilities

and he is a lumber jack

MickLH

@Jon oh really? make one with a constant time prime factorization algorithm tattooed on its face, and maybe a winning lotto number or 24

lol no but really one of the guys who said a long time ago that he'll do character and item modeling came back and is helping me again, I would love to hype him up like I've got great concept art for him and give him that

Jon

lumberjack

SpartanDonut

I like it but...

Almo

recognizable. pretty good man

SpartanDonut

6:22 PM

I always imagined him with an even bigger package

Jon

i can make it bigger, its on its own layer

SpartanDonut

thats what she said?

Jon

i'm gonna quit coding and become an artist

Icy Defiance

layered package, like them Grands biscuits, just not a biscuit

MickLH

@SpartanDonut wait, I think you're invoking undefined behavior using the "thats what she said" function that way

SpartanDonut

6:24 PM

Sorry. I didn't read the spec xD

MickLH

Yeah I'm pretty sure, package already means schlong in context, now it means double schlong

Lokkij

[encrypted] looks very interesting: rockpapershotgun.com/2015/05/22/…

Jon

MickLH

@Jon you should make a really simple 2D game that's fun to play using just solid blocks of color to represent people, and then put these images in really awkwardly

SpartanDonut

@MickLH oh I meant to invoke the function on Jon's statement

@MickLH easy. one level is an art museum

Jon

6:28 PM

you guys like my sketches?

lmao

MickLH

lol I feel like if the animations were bad enough, it could have a gameplay-enhancing effect the way really pretty art does, like it would make it more fun to play because it's hilarious

SpartanDonut

If I curated a museum I'd hang your art in it.

lol

guess who

6:37 PM

haha

Jon

know who it is?

Almo

Q*Bert

MickLH

lol I remembered the face but I'm bad with names, thank fucking god for almo that would have bothered me all day

Jon

i looked him up after, and he in fact has two legs

in case someone was gonna use it in a game, here is the updated version

the original sprite is pretty strange

Man, I was reading about truck drivers in the US

they are saying that in 20 years from now, all truck drivers will be replaced by automated vehicles

There are apparently a TON of people employed as truck drivers currently

8 million in the US alone

They are saying this automated driving thing is going to impact that industry pretty fast

the profits are going to be mental.

MickLH

I've noticed the same thing, transportation in general is a massive employer and easily replaced by cheaper, more accurate, safer, more efficient robots

Jon

6:48 PM

it is a very exciting future

if we manage to not destroy ourselves