Twisty by g0blinish
screenshot added by g0blinish on 2014-11-17 15:16:52
platform :
type :
release date : november 2014
release party : ReSeT 2014
compo : combined intro
ranked : 3rd
  • 11
  • 2
  • 2
popularity : 51%
  • 0.60
alltime top: #14563
added on the 2014-11-17 15:16:52 by g0blinish g0blinish

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This moves very nicely!
rulez added on the 2014-11-17 15:20:24 by Optimus Optimus
Sexy moves ;)
rulez added on the 2014-11-17 15:59:19 by Buckethead Buckethead
rulez added on the 2014-11-17 16:09:00 by p01 p01
Btw much better on real thing, than youtube destroying fidelity.
added on the 2014-11-17 16:38:57 by Optimus Optimus
rulez added on the 2014-11-17 18:37:51 by sensenstahl sensenstahl
let's twist again
rulez added on the 2014-11-17 19:10:10 by Sir Sir
moves nicely indeed, but in 1k you could have filled it atleast. all you need is a sinewave and some code.
sucks added on the 2014-11-17 21:49:08 by Oswald Oswald
I'm with Oswald on this one. Without the thumb down though.
added on the 2014-11-17 21:57:43 by StingRay StingRay
We need a lossless YouTube
rulez added on the 2014-11-17 22:10:55 by Gertrude Gertrude
filled and slow? lol
added on the 2014-11-18 03:40:19 by g0blinish g0blinish
Filling the twister is trivial and even for 1k you should be able to make it fast.
added on the 2014-11-18 06:23:16 by StingRay StingRay

fast filled only in "PowerUP"

of course, if i understand R12/R13 then i make fast. maybe for 1k.
added on the 2014-11-18 06:43:19 by g0blinish g0blinish
rulez added on the 2014-11-18 12:40:37 by bitl bitl
It's sooooo gooood !
rulez added on the 2014-11-18 15:07:00 by ast ast
g0blinish: the only thing you need is a very fast horizontal line drawing routine. :)
added on the 2014-11-19 09:05:56 by StingRay StingRay
g0blinish: the only thing you need is a very fast horizontal line drawing routine. :)

o, yeah. funny to see how Oswald manage it xD
added on the 2014-11-19 09:35:16 by g0blinish g0blinish
there's a c64 4k which manages to pregenerate twister phases dithered, shaded, so oviously its nothing impossible. on cpc its moving bytes in worst case, but as in batman forever demo it looks like it is possible to select gfx lines by manipulating video registers on the cpc, so ? its just disappointing seeing a more powerful cpu with cool 16 col gfx mode showcasing this...
added on the 2014-11-19 10:01:12 by Oswald Oswald
Straight twister versus wobbling on diagonal twister.
As I explained, I see some intros using r12/r13 with adressing, but i am still stuck with this task. In such case filled twister looks very fast imho.
added on the 2014-11-19 10:29:22 by g0blinish g0blinish
I still think it's a very nice effect, big and wide twisty (most other twisters don't swing around). Most probably it's possible to fill even with software rendering, the area of the twisters seems to be less than 1/5th of the 16k screen and the CPC is fast enough with optimized unrolled codes for this. But of course you have to also erase with dirty rectangle because it moves around so maybe it's a bit more work.

12/13 is fine, I understand them. The harder for me now is to synchronize a stable line splitting. I left this attempt some months ago, but I will come back to this. I want to try two new effects with this for a future demo. Maybe we will talk when I come back to this and manage to make it work.
added on the 2014-11-19 10:52:14 by Optimus Optimus
no, there are simple clearing routine:
xor a
ld (nn),a
ld (mm),a

I think it's faster way for clear screen.

about 12/13 - we'll talk soon.
added on the 2014-11-19 11:04:35 by g0blinish g0blinish
Nice effect!
rulez added on the 2014-11-19 16:48:41 by nyuk nyuk
very nice.
rulez added on the 2014-11-19 17:23:10 by keito keito
sucks added on the 2014-11-29 15:45:39 by johny johny

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