Re: Challenge for EUPHORIA Programmers
> From: Kat <gertie at PELL.NET>
> To: EUforum <EUforum at topica.com>
> Reply-To: EUforum at topica.com
> Subject: Re: Challenge for EUPHORIA
> Programmers
> Date: 12/09/2001 7:41:47 AM
> This reminds me of the boastful claims
> that the Amiga was the only puter to
> be able to execute it's splashy screen.
> Within a week, someone had the
> good ole C64 with a 1 megahertz 8bit cpu
> running the same screen.
The trick that the Amiga people pulled off was to make it look like the red
and white checked ball was rotating while bouncing around the screen. What
it was actually doing was color-cycling. Each colored patch on the ball was
actually made up of stripes of color-indexes and the program just pointed
the color indexes to red or white as required to make it look as if the ball
was rotating. The bouncing part was just moving the ball through the
pre-calculated X,Y locations. That was the first take. In the second and
subsequent version of this "demo", they really did do the real-time
calculation of the colors and had the ball tilted with a bright "shine"
patch remaining stationary as the ball rotated. Now that was something the
C64 couldn't do.
----
Derek
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