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Devine Lu Linvega's posts Post Back to profile
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R. L. Dane :debian: :openbsd:

@neauoire @d6 @kelp

No palette rotation/manipulation?

313 lines?!? DANG! :o

4 May 2023 at 23:11 | Wall-to-wall | Open on fosstodon.org
5 comments
Devine Lu Linvega

@RL_Dane @d6 @kelp did it really have palette animation? I didn't think it did.

4 May 2023 at 23:12 | Open on merveilles.town
R. L. Dane :debian: :openbsd:

@neauoire @d6 @kelp

YEP! The original demo id NOT REDRAW the screen at all.
It was all palette rotation and x/y registers for motion.

It was bloody brilliant. Lemme see if I can find the write-up someone did on it...

4 May 2023 at 23:13 | Open on fosstodon.org
Devine Lu Linvega

@RL_Dane @d6 @kelp OOh you mean the ball data had the rotation baked in the colors! Yes you're right, I remember that. I didn't have it in me to go that far. Also, the uxn screen is super primitive, it doesn't have anything fancy like the amiga ppu.

git.sr.ht/~rabbits/uxn11/tree/

4 May 2023 at 23:13 | Open on merveilles.town
R. L. Dane :debian: :openbsd:

@neauoire @d6 @kelp

This was the thread which included a mention of the Amiga boing ball demo and a link to an article on how it worked. It was mind-bending XD

merveilles.town/@rezmason/1102

I don't think you could do convincing rotation with only four colors, though?

4 May 2023 at 23:16 | Open on fosstodon.org
Devine Lu Linvega

@RL_Dane it'd be super janky, but we could process a new ball asset from the ball data with a gradient. It'd be a bit slower.

4 May 2023 at 23:17 | Open on merveilles.town
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