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Offline BrownyTCat

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Re: Axe Q&A
« Reply #300 on: May 17, 2011, 02:29:12 pm »
Quote from: Scout on May 17, 2011, 02:00:01 pm
I have a question, what is the x256 mode and can someone give me an example?

I have no idea of how to use it and would like to learn, can I have a sample? Thanks
256 mode?? Whoa.
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Offline Builderboy

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Re: Axe Q&A
« Reply #301 on: May 17, 2011, 03:41:51 pm »
Its not a mode, but more like a style of programming that gives you more precision.  The idea is that you multiply your position variables by 256 to give you a screen that is 256 times as big (and consequently has a *lot* more possible positions and a lot more precision) and then when you display your sprites you "zoom" back out by dividing by 256.

This has been written about a lot, I'm sure there has got to be a tutorial about this somewhere, or at least a more in depth explanation.
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Offline ztrumpet

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Re: Axe Q&A
« Reply #302 on: May 17, 2011, 11:06:54 pm »
The multiply by 256 thing has another name too that I'm sure you've seen: 8.8 Fixed Point. :)  Good luck!
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Offline Freyaday

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Re: Axe Q&A
« Reply #303 on: May 17, 2011, 11:10:17 pm »
Is there a way to use the ON key?
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Quote from: JustCause on March 29, 2011, 11:44:58 pm
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Offline ztrumpet

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Re: Axe Q&A
« Reply #304 on: May 17, 2011, 11:13:37 pm »
Yes.
getKey(41) will do it. :)
By the way, here's a nifty link: http://julosoft.net/ti/getkey.php
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Offline Freyaday

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Re: Axe Q&A
« Reply #305 on: May 17, 2011, 11:14:37 pm »
getkey(41) is the keycode, but it doesn't register.
Nvm, I've eaten my words.
« Last Edit: May 17, 2011, 11:40:52 pm by Freyaday »
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Quote from: JustCause on March 29, 2011, 11:44:58 pm
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Offline BrownyTCat

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Re: Axe Q&A
« Reply #306 on: May 18, 2011, 12:58:43 pm »
Quote from: Builderboy on May 17, 2011, 03:41:51 pm
Its not a mode, but more like a style of programming that gives you more precision.  The idea is that you multiply your position variables by 256 to give you a screen that is 256 times as big (and consequently has a *lot* more possible positions and a lot more precision) and then when you display your sprites you "zoom" back out by dividing by 256.

This has been written about a lot, I'm sure there has got to be a tutorial about this somewhere, or at least a more in depth explanation.
Maybe I can fix my engine's "/\" jump. Not before I get a freaking tilemap routine.
* BrownyTCat has lost several brain cells trying to tilemap.
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Offline Builderboy

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Re: Axe Q&A
« Reply #307 on: May 18, 2011, 01:09:24 pm »
Is it a scrolling tilemap?
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Offline BrownyTCat

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Re: Axe Q&A
« Reply #308 on: May 18, 2011, 01:14:33 pm »
Quote from: Builderboy on May 18, 2011, 01:09:24 pm
Is it a scrolling tilemap?
Yes. I saw the tutorial, but it's hard to implement in a platformer game.
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Offline aeTIos

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Re: Axe Q&A
« Reply #309 on: May 18, 2011, 01:41:35 pm »
Okay, so I saw this screenie, and I would like to know how Builderboy makes the box hanging at the rope.
Anyone knowing this?
« Last Edit: May 18, 2011, 01:41:56 pm by aeTIos »
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Offline Freyaday

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Re: Axe Q&A
« Reply #310 on: May 18, 2011, 03:54:19 pm »
He can't share any source code until the contest is over; that is his entry
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Quote from: JustCause on March 29, 2011, 11:44:58 pm
In other news, Frey continues kicking unprecedented levels of ass.
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Offline Munchor

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Re: Axe Q&A
« Reply #311 on: May 18, 2011, 03:55:11 pm »
I seriously have no idea how in Earth he freaking made that, seriously.

He can't tell you though.
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Offline Michael_Lee

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Re: Axe Q&A
« Reply #312 on: May 18, 2011, 03:56:53 pm »
You could look at his Chainfire library, and see if he has similar code.
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Offline Munchor

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Re: Axe Q&A
« Reply #313 on: May 19, 2011, 12:59:25 pm »
I have a question, I just made my first program to try and learn acceleration and more about physics.

here's my problem though:

Code: [Select]
0→Y
5→X
Repeat getKey(15)
  ClrDraw

  Line(0,63,95,63)
  Pxl-On(X,Y/256)

  If (pxl-Test(X,Y+1)=0)
    Y+128→Y
  End

  DispGraph
End

That's a little tiny dot but it doesn't move down as it was supposed to (due to gravity).

Any idea of what I'm doing wrong?

Thanks
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Offline Deep Toaster

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Re: Axe Q&A
« Reply #314 on: May 19, 2011, 01:12:09 pm »
pxl-Test(X,Y+1) should be pxl-Test(X,Y/256+1)

Also you can save a lot of memory by doing !If pxl-Test(X,Y/256+1) instead of If (pxl-Test(X,Y/256+1)=0).
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