26 January 2012, 00:24 | #1 |
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This fake demo is not possible on ECS... But AGA?
[ Show youtube player ]
What do you guys think? Last edited by arpz; 26 January 2012 at 00:24. Reason: can't embed youtube |
26 January 2012, 00:33 | #2 |
move.l #$c0ff33,throat
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Perfectly possible on OCS.
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26 January 2012, 00:37 | #3 |
68k RULEZ
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I think this is not possible on AGA.
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26 January 2012, 00:40 | #4 |
move.l #$c0ff33,throat
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This is perfectly possible even on OCS, the effects are very simple, starfield, rasters, scroller and sine scroller. And it looks quite ugly too!
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26 January 2012, 00:42 | #5 |
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It looks like too many colours, though?
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26 January 2012, 00:46 | #6 |
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Why not? The smooth parts of the color gradients in the color bars were opaque so you could disable the display DMA while they were being displayed to get fast copper. The backdrop would probably be blitter-based. The moving text in the middle would be sprites and therefore would be unaffected by the display DMA being disabled for the color bars.
I say it's perfectly doable on AGA. It's even possible on OCS if you didn't have the smooth color gradients used on the color bars. |
26 January 2012, 00:55 | #7 |
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I think it's OldSkool Demo Maker for PC.
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26 January 2012, 01:38 | #8 |
move.l #$c0ff33,throat
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Of course it is, the effects say it all.
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26 January 2012, 08:19 | #9 |
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26 January 2012, 08:26 | #10 |
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I second StingRay - definitely do-able on OCS.
Personally though, I'd get rid of, or at least modify, the 3d star effect. The stars that become large circles firing quickly past the front of the screen make things look messy in my opinion. |
26 January 2012, 08:35 | #11 | ||
move.l #$c0ff33,throat
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Quote:
That's a PC "demo" made with Oldschool Demomaker. Quote:
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26 January 2012, 08:46 | #12 | |
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Quote:
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26 January 2012, 11:34 | #13 | |
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Quote:
as for the everyone else, yes, I don't really like the stars, I'm not massively impressed or anything but the smoothness of the bars had me wondering if it could be achievable. |
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26 January 2012, 11:54 | #14 |
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The copper bars are multi coloured, but the copper can change (I think) up to 16 palette entries per line. Everything else on there looks pretty standard for OCS.
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26 January 2012, 19:18 | #15 |
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Nobody has yet suggested that HAM might be being used here... if you put a single pixel of say colour 1 on the left and put component-change codes along the rest of the line to make a gradient, you'd only have to change one palette entry and the whole line would change.
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26 January 2012, 19:47 | #16 |
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OCS/ECS can change a color (or other chipset register) per eight lowres pixels, as long as the screen is 16 color lowres (don't know how many colors for highres, but less than 16). This means you can get reasonably close to the copper bar effect in this intro.
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26 January 2012, 20:38 | #17 |
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maybe this is good idea for a little project, make an "Amiga" version of this cracktro
could be a joint effort or a compo for the leet coders? |
26 January 2012, 20:42 | #18 |
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Gradients would have to be much more coarse, and you'd never get the same frame rate if you were to do all the drawing going on in the video, with the stars in the background zooming up to large filled circles.
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26 January 2012, 22:50 | #19 |
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Not necessarily true Leffmann it's only one bitplane, it's only half-height and you could draw all the outlines first and fill the whole thing on one go. Although where two circles overlapped they'd cancel out, not sure if there's an easy way round that.
The gradients could easily be dithered with a clever use of bitplanes. |
26 January 2012, 23:22 | #20 |
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I think it's pretty cool. Plus you could cheat (and be lame) and pre-render the star bit (say 20 frames of half-screens), thus leaving everything else to be done in realtime
Regards, Lonewolf10 |
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