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Post by yuguzu on Aug 28, 2014 14:26:35 GMT
Hello,
I saw in the game Aladdin that you can make parallax scrolling.
Do you know how?
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Post by Maxim on Aug 28, 2014 16:01:05 GMT
Yes, I know how.
Did you want to know? There's a bunch of SMS games with parallax, by at least four methods (or combinations of these) that I can think of:
- Raster scroll splits
- Sprites acting as background
- Intra-tile scrolling
- Perspective effects inside tile animation
Aladdin's doing the last two on its first level.
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Post by gallos_11 on Aug 28, 2014 16:28:45 GMT
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Post by yuguzu on Aug 28, 2014 21:11:21 GMT
Thanks
Maxim, can you tell me how to do the raster scroll splits?
I think I need to use the line interrupt but I don't know how.
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Aug 28, 2014 23:01:25 GMT
Alladin parallax scrolling it's very weak compared to Sagaia.
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Parallax
Aug 29, 2014 7:10:39 GMT
via mobile
Post by Maxim on Aug 29, 2014 7:10:39 GMT
Raster scroll splits are done using line interrupts, but these are a bit tricky as you can't choose the line number, just a number of lines to have between each interrupt, plus if you change the number inside an interrupt, it doesn't affect the result until after the next interrupt happens. That sounds complicated because it is, to get an interrupt at a given line involves several stages.
I suggest you post on the SMS Power development forum where you'll find more people who know about this.
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