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Atari coding BBS
| Scroll text techniques |
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Posted by: Vincent Riviere
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Oct,24.2007-20:03
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Hello, demomakers !
I'm a newbie in demo programming. I know very well the ST hardware and the TOS, but I don't know the best practices for making efficent demos.
This time, I wonder what is the best way to do a simple horizontal scroll-text. I imagine I must preshift every character, just like sprites, to avoid runtime shifting ?
Then what to do on each VBL ?
Redraw every character at the good screen position (using OR for overlapping characters) ?
Or shift the previous text to left, and draw only the rightmost character ? That might not work well because of the preshifts.
Or maybe some optimization is possible by using multiple offscreen buffers ?
Thank you in advance !
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[All messages in this thread] [Start new thread]
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Topic
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Posted by
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Date
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Scroll text techniques
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Vincent Riviere
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Oct,24.2007-20:03
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Re: Scroll text techniques
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earx
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Oct,24.2007-20:09
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Re: Scroll text techniques
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earx
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Oct,24.2007-20:27
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Re: Scroll text techniques
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earx
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Oct,24.2007-20:31
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Re: Scroll text techniques
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earx
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Oct,24.2007-20:32
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Re: Scroll text techniques
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Vincent Riviere
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Oct,24.2007-22:33
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Re: Scroll text techniques
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earx
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Oct,25.2007-09:49
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Re: Scroll text techniques
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ggn
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Oct,25.2007-11:23
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Re: Scroll text techniques
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Bod/STAX
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Oct,25.2007-17:55
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Re: Scroll text techniques
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evil
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Oct,27.2007-17:50
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Re: Scroll text techniques
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earx
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Oct,27.2007-19:01
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Re: Scroll text techniques
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Bod/STAX
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Oct,27.2007-19:18
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Re: Scroll text techniques
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gloky
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Nov,25.2007-13:22
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Re: Scroll text techniques
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Bod/STAX
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Nov,25.2007-21:26
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Re: Scroll text techniques
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gloky
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Dec,10.2007-22:15
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Re: Scroll text techniques
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gloky
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Jan,04.2008-15:10
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What's the anti-troll code?
That's your personal code to be able to add comments and messages on the dhs.nu site.
Don't have a code or forgot it? Fix it here.
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