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Note also that the NTSC shader provides color fringing on sharp chroma/white transitions due to limited bandwidth, while also achieving the fake translucency and additional color depth that contemporary Genesis/Megadrive coders used to achieve a higher virtual color depth.
Now here's the rub: These are pictures of Vectorman running on an actual CRT.pic.twitter.com/RHHR20H0jn
Close. Damn close, in fact. But not quite. Putting aside the difference in luminance - which is far closer when enabling the bloom pass in MAME's D3D9/HLSL pipeline - the most striking thing to me is that everything has a shift towards the blue end of the spectrum.
Those segments I referred to? They're nearly white. The green sphere sprites are obviously tinted more towards aquamarine. This brings up a number of questions in my mind, thoughts on how this might be the case, and I'm not sure which is the most plausible.
I didn't take the pics, so I don't have first-hand knowledge of the actual look, but:
- As @ewzzy points out, perhaps the camera just has a colder white balance.
- The camera might have a CCD that's more sensitive towards blue hues.
- The CRT tint knob might be off. - The CRT's blue phosphors may be more vibrant or have a different wavelength than the CRT that the current phosphor sim in MAME is tuned to. - The f-number of the camera may have been such that phosphors of a certain wavelength were overexposed.
Lastly, but what I'm most interested in, is I wonder if there's the potential for Rayleigh scattering through the glass medium used in CRTs, which might cause images viewed through it to exhibit a certain natural tint. So, graphics Twitter. Thoughts?
Twitter saattaa olla ruuhkautunut tai ongelma on muuten hetkellinen. Yritä uudelleen tai käy Twitterin tilasivulla saadaksesi lisätietoja.
