Textured raycasting TMS9918A

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By geijoenr

Master (178)

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13-08-2020, 18:34

Have you guys seen this? quite amazing IMHO

https://www.youtube.com/watch?v=uChHEPp681I

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By ARTRAG

Enlighted (6427)

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13-08-2020, 19:39

I am following him on github too
The project is open source

By geijoenr

Master (178)

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13-08-2020, 19:53

@artrag do you have a link to the repo?

By geijoenr

Master (178)

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13-08-2020, 19:57

oh it must be this one

https://github.com/Rasmus-M/raycaster

By santiontanon

Paragon (1069)

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13-08-2020, 20:29

Oh wow!! Very impressive!! It's not an MSX, but it uses the same VDP. I do not see any color clash though, how do they manage it?!

By geijoenr

Master (178)

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13-08-2020, 20:46

The youtube description says it uses horizontal resolution of 64px, so I guess it uses blocks of 4x1 to avoid color clash.

By santiontanon

Paragon (1069)

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13-08-2020, 20:51

Oh I see! I watched the video in the integrated player here in the forum, so, I did not see the description, just read it now. 4x1 blocks seem like a very good idea. I used 2x2 blocks in Tales of Popolon just to make them blend with the 2x-size resolution sprites. But 4x1 seems like it can get quite interesting results!

By ARTRAG

Enlighted (6427)

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13-08-2020, 22:54

You can update the sole color table

By ARTRAG

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13-08-2020, 22:58

By santiontanon

Paragon (1069)

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13-08-2020, 23:14

Good point about only having to update the color table, I had not thought of that! There might be implications of having a pixel-by-pixel vertical resolution, but it will probably result in a net speed up compared to 2x2 blocks. Very cool idea!

By ARTRAG

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14-08-2020, 11:33

You do not have to worry about color clash too

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