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  Jetp4k  (Read 7196 times)
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Offline SimonH
« Posted 2008-12-15 22:11:43 »

As a homage to the good old days on the ZX Spectrum, I've just blown the weekend on Jetp4K;


You can play the (slightly larger) applet version here.

I really wanted to get sounds in but I can't see how - this is right down to the bone at 4095 bytes.

People make games and games make people
Offline kevglass

JGO Kernel


Medals: 120
Projects: 23
Exp: 18 years


Coder, Trainee Pixel Artist, Game Reviewer


« Reply #1 - Posted 2008-12-15 22:31:42 »

Amazing work!

Kev

Offline Ranger
« Reply #2 - Posted 2008-12-15 22:36:03 »

As a homage to the good old days on the ZX Spectrum, I've just blown the weekend on Jetp4K;
A weekend well spent.  Cool fun!  Cheesy
Games published by our own members! Check 'em out!
Legends of Yore - The Casual Retro Roguelike
Offline zammbi

JGO Coder


Medals: 4



« Reply #3 - Posted 2008-12-15 22:40:02 »

Quote
Exception in thread "Thread-10" java.lang.NullPointerException
   at SA.run(Unknown Source)
   at java.lang.Thread.run(Unknown Source)
All I get is this.
I'm using the latest Java.
Windows Vista.
Chrome browser.

Current project - Rename and Sort
Offline Renoria

Junior Member




...


« Reply #4 - Posted 2008-12-16 00:02:50 »

Nice, but on the balls level, the balls stop when they hit the platforms. (bounce back and forth and don't move).
Offline Eli Delventhal

JGO Kernel


Medals: 42
Projects: 11


Game Engineer


« Reply #5 - Posted 2008-12-16 02:40:01 »

Woo, I won! Fun times. Great job for 4k.

See my work:
OTC Software
Offline appel

JGO Wizard


Medals: 50
Projects: 4


I always win!


« Reply #6 - Posted 2008-12-16 02:58:24 »

OMG OMG OMG!

I remember playing this game when I was just a little kid on my Sinclair Spectrum! Smiley What a flashback!

Perfect implementation too!

Quote
I really wanted to get sounds in but I can't see how - this is right down to the bone at 4095 bytes.

Btw. with 4kjo I was able to take your jar and compress it to 4000 bytes!

Check out the 4K competition @ www.java4k.com
Check out GAMADU (my own site) @ http://gamadu.com/
Offline woogley
« Reply #7 - Posted 2008-12-16 04:48:15 »

I am very impressed by this

Tons of fun
Offline Markus_Persson

JGO Wizard


Medals: 14
Projects: 19


Mojang Specifications


« Reply #8 - Posted 2008-12-16 11:01:19 »

Awesome! Lots of graphics =)

Play Minecraft!
Offline princec

JGO Kernel


Medals: 342
Projects: 3
Exp: 16 years


Eh? Who? What? ... Me?


« Reply #9 - Posted 2008-12-16 13:41:56 »

Coo, that's a blast from the past! That was the first Spectrum game I ever played.

Cas Smiley

Games published by our own members! Check 'em out!
Legends of Yore - The Casual Retro Roguelike
Offline SimonH
« Reply #10 - Posted 2008-12-16 22:44:42 »

Btw. with 4kjo I was able to take your jar and compress it to 4000 bytes!
I forgot 4KJO!!! Now even with two extra enemies it's down to 4084 bytes Grin
(I gave up on the sound as it was really irritating)

Lots of graphics =)
439 bytes worth! BTW if anyone wants to try my (monochrome) image compression system let me know & I'll tidy it up post it in links, tips & goodies.


People make games and games make people
Offline appel

JGO Wizard


Medals: 50
Projects: 4


I always win!


« Reply #11 - Posted 2008-12-17 19:43:11 »

send image, lets see if we can compress more Smiley

Check out the 4K competition @ www.java4k.com
Check out GAMADU (my own site) @ http://gamadu.com/
Offline halfwitgoat

Junior Member


Projects: 2



« Reply #12 - Posted 2008-12-17 19:59:14 »

Awesome. All it's missing is the attribute clash. Wink

Offline ChrisM

JGO Coder


Medals: 1
Projects: 1


END OF LINE.


« Reply #13 - Posted 2008-12-17 22:42:26 »

Unbelievable!  This year's 4K is insane!

EDIT: I mean, geeze!  You even have an "intro" for goodness sakes.  Very, very impressive.

Offline SimonH
« Reply #14 - Posted 2008-12-17 23:02:12 »

send image, lets see if we can compress more Smiley
There isn't an actual image - I preprocess the images into a data file then reconstruct them on the fly, that way I can recolour the images and get transparency at no extra cost. Eg I just added a new alien image for level 4 using only 20 bytes! Jar currently at 4071 bytes...

*thinks* Didn't I have a social life once? I'm off to the pub! Cheers!

People make games and games make people
Offline SimonH
« Reply #15 - Posted 2008-12-18 22:24:06 »

Final touch: he now lifts his legs up as he jets about. 4092 bytes.

Next game: GTA4K (only kidding!)

People make games and games make people
Offline undershirt

Senior Newbie





« Reply #16 - Posted 2009-01-02 23:55:37 »

Awesome game!
Offline luisoft

JGO Coder


Projects: 6


Java games rock!


« Reply #17 - Posted 2009-01-04 23:27:09 »

really great game! I'm a fan of 80's. I had a MSX computer but I don't remember of this game, I think it's only for Spectrum
Offline zeroone
« Reply #18 - Posted 2009-03-08 21:32:54 »

Amazing graphics.  Love that old-school look.  Each level introduces a new enemy type (different sprite and behavior).  Very cool stuff.  I like the ship animation used at the start and end of levels.  I like the goal of trying to get fuel to the ship.  What do the diamonds do?  Just give you points?  It’s a bit repetitive, but it’s an impressive entry.   
 
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