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Author Topic: if self.isCoder(): post() #Programming Thread  (Read 903666 times)

MagmaMcFry

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5670 on: April 08, 2014, 02:42:44 pm »

Here's my code for that particular problem (it works for me):
Code: [Select]
       if (player.getColor() == '#f00') player.setColor('#ff0');
       else if (player.getColor() == '#ff0') player.setColor('#0f0');
       else player.setColor('#f00');
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miauw62

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5671 on: April 08, 2014, 02:45:16 pm »

Oh, right. That made me realize my stupidity.
I only used normal ifs, so my color would cycle all the way through back to green >.>

E: Wee, completed the game. Managed to get past endoftheline.js, too.
« Last Edit: April 09, 2014, 11:19:43 am by miauw62 »
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alexandertnt

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5672 on: April 10, 2014, 08:07:30 am »

Some more testing, it seems to be the amount of screen filled, not how close the camera is. I tested this by putting the camera in a position where everything was running smooth and scaled it all up. Which seems to be evidence for some sort of fragment thing.

The problem is called over-draw.  What happens is that you are drawing the same pixels over and over.  When there is no transparency the renderer renders from near to far and can use the depth buffer to cull fragments early, meaning that each fragment is rendered only once.  This wouldn't work with transparency.

One idea that I have had on this subject is to repurpose the depth buffer to an opacity buffer that culls when a certain opacity level has been reached.  This would only work in a system where a total ordering of polygons is possible, so I don't expect any closed-source general-purpose renderer to be flexible enough to allow this.

P.S. Some ways to ensure the existence of a total ordering of polygons are: a BSP tree, an octree, or a voxel grid.

Unity apparently has an overdraw rendering debug thing, and this does appear to be the problem.

At least now I know I can have lots of decals as long as they are not all on the same spot.
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dragnar

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5673 on: April 10, 2014, 11:19:12 am »

Ah, the joys of trying to look up something you don't know the name of...

I'm working on a simple(ish) Javascript page for class, and need to set up a pair of, er. Selection boxes? Two side-by-side boxes full of options and a pair of buttons with arrows on them that move the selected option from one side to the other. I can't imagine this is anything too complex or anything, but I have no idea what that sort of interface is even called to look it up.

Also if anyone knows a clean way to load variables from PHP into javascript that would be nice. I've figured out a way to do it, but it's rather inelegant.
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Levi

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5674 on: April 10, 2014, 11:29:55 am »

Ah, the joys of trying to look up something you don't know the name of...

I'm working on a simple(ish) Javascript page for class, and need to set up a pair of, er. Selection boxes? Two side-by-side boxes full of options and a pair of buttons with arrows on them that move the selected option from one side to the other. I can't imagine this is anything too complex or anything, but I have no idea what that sort of interface is even called to look it up.

I don't think there is a widget for that exactly, but you could code one up out of select tags (<select size='10'><option value='1'>Option 1</option></select> ) and javascript.

Also if anyone knows a clean way to load variables from PHP into javascript that would be nice. I've figured out a way to do it, but it's rather inelegant.

Probably using JSON is best.  I'm not that familiar with PHP though, so I'm not exactly sure how to do that.
« Last Edit: April 10, 2014, 11:31:54 am by Levi »
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Maklak

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5675 on: April 10, 2014, 12:19:18 pm »

> Two side-by-side boxes full of options and a pair of buttons with arrows on them that
> move the selected option from one side to the other.
Combo Box : http://en.wikipedia.org/wiki/Combo_box
Search for "Combo box html" of "Combo box javascript" and you'll find it.
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Mephisto

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5676 on: April 10, 2014, 12:41:46 pm »

If you have trouble with Javascript, it's generally not your fault, but Javascript's. Try using == instead of ===.

I know your post was made two days ago, but I finally (re)found this site again. Enjoy.

http://dorey.github.io/JavaScript-Equality-Table/
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MorleyDev

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5677 on: April 10, 2014, 01:15:18 pm »

The difference is == does type coercion, === doesn't. So a number will never === a string, whilst with == if it can cast the two to a common type it will. So ("12" == 12) but !("12" === 12).

== is both less efficient as a result, and can introduce unintentional behaviour due to the underlying rules used being unintuitive. The rule of thumb is to err on the side of ===, and only use == if you deliberately want type coercion.

Javascript, grr *shakes fist*
« Last Edit: April 10, 2014, 01:17:25 pm by MorleyDev »
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Mego

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5678 on: April 10, 2014, 01:33:41 pm »

JSON + Python is so sexy. That is all.

Mephisto

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5679 on: April 10, 2014, 02:09:18 pm »

I just like making fun of the steaming pile of good intentions that is Javascript.
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dragnar

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5680 on: April 10, 2014, 02:31:50 pm »

> Two side-by-side boxes full of options and a pair of buttons with arrows on them that
> move the selected option from one side to the other.
Combo Box : http://en.wikipedia.org/wiki/Combo_box
Search for "Combo box html" of "Combo box javascript" and you'll find it.
Aha! Yeah, that's pretty much what I want, thanks.
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From this thread, I learned that video cameras have a dangerosity of 60 kiloswords per second.  Thanks again, Mad Max.

Skyrunner

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5681 on: April 13, 2014, 09:27:58 pm »

Woaah.

You can do 99**99 in Python and have it not error D:
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Mego

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5682 on: April 13, 2014, 09:58:38 pm »

Skyrunner

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5683 on: April 14, 2014, 01:22:44 am »

I bet the actual calculation was done quicker than the stringifying.
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bay12 lower boards IRC:irc.darkmyst.org @ #bay12lb
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Skyrunner

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Re: if self.isCoder(): post() #Programming Thread
« Reply #5684 on: April 14, 2014, 10:47:19 pm »

Am I good enough to 1 on 1 tutor someone to learn  the basics of programming? D: I'm casually doing that, but I'm mildly worried that I'm not doing it well enough or that I'm going to ruin it all.
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