SimonH
JGO Strike Force  Posts: 896 Medals: 14
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on:
2008-12-15 16:11:43 » |
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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. |
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kevglass
« League of Dukes » JGO Kernel  Posts: 5214 Medals: 49
Mentally unstable, best avoided.
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Reply #1 on:
2008-12-15 16:31:42 » |
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Amazing work!
Kev
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Ranger
Sr. Member Posts: 340 Medals: 1
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Reply #2 on:
2008-12-15 16:36:03 » |
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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!  |
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Games published by our own members! Go get 'em! 
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zammbi
JGO Strike Force Posts: 963 Medals: 9
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Reply #3 on:
2008-12-15 16:40:02 » |
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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. |
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Renoria
Full Member Posts: 209
...
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Reply #4 on:
2008-12-15 18:02:50 » |
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Nice, but on the balls level, the balls stop when they hit the platforms. (bounce back and forth and don't move).
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Eli Delventhal
« League of Dukes » JGO Kernel Posts: 3574 Medals: 44
Game Engineer
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Reply #5 on:
2008-12-15 20:40:01 » |
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Woo, I won! Fun times. Great job for 4k.
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See my work:OTC Software<br /> Currently Working On:Secret project... I edit JGO in production, because I simply don't waste time writing bugs
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appel
JGO Wizard Posts: 1477 Medals: 23
I always win!
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Reply #6 on:
2008-12-15 20:58:24 » |
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OMG OMG OMG! I remember playing this game when I was just a little kid on my Sinclair Spectrum!  What a flashback! Perfect implementation too! 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! |
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woogley
JGO Neuromancer Posts: 1098 Medals: 5
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Reply #7 on:
2008-12-15 22:48:15 » |
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I am very impressed by this
Tons of fun
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Markus_Persson
JGO Kernel Posts: 2092 Medals: 10
Mojang Specifications
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Reply #8 on:
2008-12-16 05:01:19 » |
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Awesome! Lots of graphics =)
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princec
« League of Dukes » JGO Kernel Posts: 8089 Medals: 95
Eh? Who? What? ... Me?
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Reply #9 on:
2008-12-16 07:41:56 » |
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Coo, that's a blast from the past! That was the first Spectrum game I ever played. Cas |
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Games published by our own members! Go get 'em!
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SimonH
JGO Strike Force Posts: 896 Medals: 14
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Reply #10 on:
2008-12-16 16:44:42 » |
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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  (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. |
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appel
JGO Wizard Posts: 1477 Medals: 23
I always win!
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Reply #11 on:
2008-12-17 13:43:11 » |
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send image, lets see if we can compress more |
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halfwitgoat
Jr. Member Posts: 62
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Reply #12 on:
2008-12-17 13:59:14 » |
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Awesome. All it's missing is the attribute clash.  |
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ChrisM
JGO Neuromancer Posts: 1181 Medals: 17
END OF LINE.
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Reply #13 on:
2008-12-17 16:42:26 » |
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Unbelievable! This year's 4K is insane!
EDIT: I mean, geeze! You even have an "intro" for goodness sakes. Very, very impressive.
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SimonH
JGO Strike Force Posts: 896 Medals: 14
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Reply #14 on:
2008-12-17 17:02:12 » |
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send image, lets see if we can compress more 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! |
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SimonH
JGO Strike Force Posts: 896 Medals: 14
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Reply #15 on:
2008-12-18 16:24:06 » |
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Final touch: he now lifts his legs up as he jets about. 4092 bytes. Next game: GTA4K (only kidding!) |
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undershirt
JGO n00b Posts: 8
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Reply #16 on:
2009-01-02 17:55:37 » |
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Awesome game!
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luisoft
Sr. Member Posts: 286
Java games rock!
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Reply #17 on:
2009-01-04 17:27:09 » |
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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
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zeroone
Sr. Member Posts: 295 Medals: 10
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Reply #18 on:
2009-03-08 16:32:54 » |
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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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