Re:Show HN: Tiny PS1-like Renderer in 500 lines
by SandmanDP on Wednesday August 03, 2022 @06:08PM
(#32337141)
You might notice that your project is already included in the Readme under credits.
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Re:Show HN: Tiny PS1-like Renderer in 500 lines
by glouwbug on Wednesday August 03, 2022 @07:17PM
(#32337582)
I did not notice. Neat. I appreciate the PS1 more. Remembering way back, N64 carts were 10 dollars or so more than PS1 discs, and as a result I had a stockpile of PS1 games. The texture popping of the PS1 I could never make sense of but it became an aesthetic of the era. Nice work OP, and thankyou for the credit
Re:Show HN: Tiny PS1-like Renderer in 500 lines
by klodolph on Wednesday August 03, 2022 @08:19PM
(#32337950)
I know there’s another reply with videos here. I’m gonna put an explanation in text.
The N64 had two things which made things smoother. It had sub-pixel precision for geometry after projection, and it had perspective-correct interpolation. This meant that moving objects looked smooth and didn’t “pop”. Games on the PS1 addressed the interpolation problem by subdividing, but you could sometimes see geometry suddenly move when you got closer and saw more subdivisions.
The N64 also had texture interpolation (kind of like bilinear) and antialiasing, but those don’t make as big an impact.
The N64 got all these things right, more or less, but had problems with memory bandwidth and small texture memory.
Re:Show HN: Tiny PS1-like Renderer in 500 lines
by ace2358 on Wednesday August 03, 2022 @10:13PM
(#32338583)
I was also under the impression the PS1 only had integer precision? Would that contribute to the wobbling and popping?
Re:Show HN: Tiny PS1-like Renderer in 500 lines
by klodolph on Thursday August 04, 2022 @12:24PM
(#32344958)
That’s the “subpixel” precision I’m talking about.
Re:Show HN: Tiny PS1-like Renderer in 500 lines
by codetrotter on Wednesday August 03, 2022 @08:08PM
(#32337884)
> The texture popping of the PS1 I could never make sense of but it became an aesthetic of the era.
The Truth About PS1 Graphics
https://www.youtube.com/watch?v=ESXAxtdEkzY
Why PlayStation 1 Graphics Warped and Wobbled so much