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Dan
Registered: Nov 2020
Posts: 6 |
Release id #133934 : Uncensored
For me, the rotating rasters are the best demo effect I've ever seen. I'm surprised nobody has tried to improve them. |
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Krill
Registered: Apr 2002
Posts: 2981 |
Why don't YOU? :) |
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TPM
Registered: Jan 2004
Posts: 110 |
is it improvable? |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
You don't know until you try... |
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Oswald
Registered: Apr 2002
Posts: 5095 |
Krestyron has 160 "freely" colored vertical rasters, shouldnt be a problem until 45 degree :) good luck after that. |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
It's quite a puzzle to come up with the full rotation from scratch without looking at the code - i recommend everyone does this :) |
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HCL
Registered: Feb 2003
Posts: 728 |
@Oswald: mine only has 80 vertical bars.. some more when they are 45°.. but something like 4 pixels width. |
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Oswald
Registered: Apr 2002
Posts: 5095 |
Quote: @Oswald: mine only has 80 vertical bars.. some more when they are 45°.. but something like 4 pixels width.
I'm aware, thats why I mention Krestyron's way, because that could be a step up to 160 bars, but only until 45 :)
brilliant routine, I still have no idea how its done. did think about it a bit now, maybe repeat the same char row of bitpattern and recolor it along the way, if such a VIC trick is even possible. Probably not. |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
Krestyron? Try disabling sprites :) |
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HCL
Registered: Feb 2003
Posts: 728 |
I don't believe the 160 "freely" colored bars in Krestyron are as freely colored as the text says.. Crossbow has made a few of those parts in the past and has constantly been lying about the routine in the scroll-texts.. It's like a competition in itself. ;)
It's not hard to imagine how to do such an effect.. You have 3 "freely" chosen colors from the bitmap in each 4-pixel column. Then what to do with the 4:th one? Sprites.. You can probably use lo-prio sprites and cover it with one of the bitmap-bars, but then you only have 3 colors + background to choose from. You can probably pick 3 colors that can work well with most kind of raster-bars, but in theory i don't think you can do much better than that. You can of course use individual sprite-colors also, but still not nirvana.
Now i feel old and grumpy again :P |
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chatGPZ
Registered: Dec 2001
Posts: 11390 |
Of course it's exactly what happens - that's why there are several layers of fast moving bars, it makes it much harder to spot when the cheating happens. If you step frame by frame and watch carefully, you can see how eg sometimes a bar is black when it shouldn't be. |
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