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Software News   Software News : KOG, a new game for AmigaOS 4
   posted by saimo on 17-Jan-2008 17:48:07 (3852 reads)
Hello everybody,

I would like to inform you that I have just released a new little game for AmigaOS 4, called KOG. You can download it from its website, where you can also find plenty of information about it (which is why I am not adding anything else here).

Enjoy,
saimo
    

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Loki1 
Re: KOG, a new game for AmigaOS 4
Posted on 17-Jan-2008 20:42:06
#1 ]
Regular Member
Joined: 7-Mar-2003
Posts: 153
From: Pensacola, Florida USA

Looks quite simple, but very interesting as well.

To bad I don't have an AOS 4 computer to run it on. Running it on Windblows Vista and it is cool!

Mike

Last edited by Loki1 on 17-Jan-2008 at 08:55 PM.


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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 17-Jan-2008 21:41:56
#2 ]
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Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@Loki1

Quote:
Looks quite simple, but very interesting as well.

Yes, it is very simple - for once, I wanted to do something that is immediately accessible

Quote:
To bad I don't have an AOS 4 computer to run it on. Running it on Windblows Vista and it is cool!

Nice to know it works even on Vista
Thanks for all!

saimo


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Kicko 
Re: KOG, a new game for AmigaOS 4
Posted on 17-Jan-2008 22:10:39
#3 ]
Elite Member
Joined: 19-Jun-2004
Posts: 5009
From: Sweden

A fast fun game :)

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newlight 
Re: KOG, a new game for AmigaOS 4
Posted on 18-Jan-2008 0:00:25
#4 ]
Super Member
Joined: 10-Sep-2007
Posts: 1730
From: Somewhere in Spain

Good game I like it!!
It haves an Arcade feeling a mix between Arkanoid and maybe others...
Hope to see soon a great and advanced commercial game for OS 4.0.
I will play it more tomorrow!


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jahc 
Re: KOG, a new game for AmigaOS 4
Posted on 18-Jan-2008 2:40:04
#5 ]
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Joined: 30-May-2003
Posts: 2959
From: Auckland, New Zealand

What an ingenious idea for a game! It took me a minute to realise how to play, but its quite addictive.

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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 18-Jan-2008 9:41:40
#6 ]
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Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@all

Thanks guys, I'm glad you like it!

saimo


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royleith 
Re: KOG, a new game for AmigaOS 4
Posted on 18-Jan-2008 11:14:38
#7 ]
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Joined: 31-Jul-2003
Posts: 765
From: UK

Silly kids stuff! OK, perhaps one more go.

Regards
Roy Leith

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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 18-Jan-2008 18:59:35
#8 ]
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Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@royleith




saimo


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agnuz6569 
Re: KOG, a new game for AmigaOS 4
Posted on 19-Jan-2008 15:31:43
#9 ]
Member
Joined: 1-May-2007
Posts: 87
From: in the Toaster

its sadly slow on my os4 system. SDL Games should better coded to native OS4...


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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 19-Jan-2008 16:20:19
#10 ]
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Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@agnuz6569

Quote:
its sadly slow on my os4 system.

May I ask what machine you have? Is it a G3 one?

Quote:
SDL Games should better coded to native OS4...

The performance hit is mostly due to other factors here - namely, realtime interpolated rotation and zooming of the whole screen with just the CPU to avoid dependencies and making the game as portable as possible. The zooming step could be avoided with a fullscreen mode: I'll add it and, if it works, I'll release a new version ASAP.

saimo


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agnuz6569 
Re: KOG, a new game for AmigaOS 4
Posted on 19-Jan-2008 19:16:21
#11 ]
Member
Joined: 1-May-2007
Posts: 87
From: in the Toaster

@saimo:

CPU IS:

System: PPC604e (emuliert MC68020/FPU) (INST: Cache)
Level 1 Cache-Größe: 32768, Level 2 Cache-Größe: 0

under OS4 Classic


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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 20-Jan-2008 13:23:30
#12 ]
Elite Member
Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@agnuz6569

Quote:

CPU IS:

System: PPC604e (emuliert MC68020/FPU) (INST: Cache)
Level 1 Cache-Größe: 32768, Level 2 Cache-Größe: 0

under OS4 Classic

Yes, your system is a tad too slow for the heavy data transfer and calculation that occur.
Anyway, besides fullscreen I'll also add a fast non-interpolated rotation option, so that you can benefit from a major boost. Stay tuned

saimo

P.S. heh, I must admit it never occurred to me before that my game could be run on a OS4 classic Amiga!

Last edited by saimo on 20-Jan-2008 at 01:23 PM.


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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 20-Jan-2008 16:38:14
#13 ]
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Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@agnuz6569

The Amiga version now features a fast (but rough) rotation mode and also an experimental fullscreen mode. Give it a try and tell me whether the game becomes playable enough: if so, I can consider fixing the fullscreen mode - the problem with it is that since the resolution is 255x255 (i.e. non-standard) SDL and/or the host OS do not handle it correctly, so I have to use a "proper" mode (f.ex. 320x256) and render just the 255x255 area (it can be done, but needs more time and at the moment I do not have it).

saimo


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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 21-Jan-2008 0:09:46
#14 ]
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Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@all

I have now implemented a proper fullscreen: the game tries to open a 320x256x32 screen, so make sure your system supports it. Also the rotation functions got improved.
Please try it out and let me know.

saimo


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agnuz6569 
Re: KOG, a new game for AmigaOS 4
Posted on 21-Jan-2008 20:55:01
#15 ]
Member
Joined: 1-May-2007
Posts: 87
From: in the Toaster

@Saimo:

Fullscreen is good now.
Windowmode 1x is good now.

But all with Window 2x or above seems to much for my cpu and/or permedia2


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saimo 
Re: KOG, a new game for AmigaOS 4
Posted on 21-Jan-2008 22:34:32
#16 ]
Elite Member
Joined: 11-Mar-2003
Posts: 2317
From: Unknown

@agnuz6569

Quote:
Fullscreen is good now.
Windowmode 1x is good now.

I guess you are referring to the fast rotation mode with "now"... right?
I'm happy to know you can enjoy the game now

Quote:
But all with Window 2x or above seems to much for my cpu and/or permedia2

You see, already 2x means a lot more of data to handle (more precisely, for each pixel there is 1 read plus 4 writes more - and that's without taking into account the increased data transfer handled by SDL), so memory/CPU bottlenecks become a real problem.
Anyway, since fullscreen works OK for you, you should not need zooming.

Thank you for reporting and playing the game!
saimo


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