NES raycaster (03) - ROM link in the description

OK, it's now possible to walk around. It's a bit faster too, but I believe there is still room for improvement. All walls use the same (ugly and boring) texture, I must fix that soon.

Address of the newest public ROM: http://membler-industries.com/tokumaru/tokumaru_raycaster_01.nes (WALLS ARE SOLID! YEY!)

Category:

Gaming

Tags:

• Nintendo
• NES
• raycaster
• raycasting
• Wolfenstein
• Doom
• 3D

[deathbyplutonium]

and this would be fully playable on an NES?

[xtokumaru]

@deathbyplutonium Yes, this program works perfectly on the NES. I'll try to post a video of the latest version running on my console soon.

[shrapnelenema]

i like where this is heading. i have a few questions:

-is anyone doing anything like this for game boy (reg or color)?

-would it be faster (in implementation with enemies/items) to go monochromatic (b/w) with either the wall textures, or the sprites?

-are you limited to one "texture" for walls?

[xtokumaru]

@shrapnelenema 1- Don't know about similar projects for the Game Boy, but I don't see why the same technique can't be used. I imagine you know Tyrannosaurus Tex and Faceball 2000, right? 2 - I don't think further color reduction would help much. The textures are already monochromatic (each kind of wall only has "light" and "dark" pixels) , and the time spent on coloring walls is negligible. 3 - Download the ROM and you'll see it has more textures. Up to 128 textures are possible, I think.

[estlib]

Does your rom use any expancion chips? You know, an expancion chip could very well be another processor to help the NES's own processor (and yes, nes can have expancion chips with some hardware mod but i think you already knew this). That way, you can have a bit more like music, enemies, items, title screens and other such things.

[xtokumaru]

@estlib A scanline counter would allow the floor to have a different color than the sky, and the extended tile attribute mode of the MMC5 would allow up to 6 wall colors per frame instead of just 3. The problem is that the only way to obtain these chips is by destroying original carts, so I'd rather stick to the simpler mappers that can be cloned easily. Title screens and music can be added for sure, but populating the maze with objects/enemies will make things slightly slower.

[TeamFortressKilla]

If I saw this back in 89 my head wouldve exploded in disbelief

[xtokumaru]

@GameFreakDude

Using look-up tables, combining multiple calculations in one and restricting resolution and colors to reduce the number of tiles necessary to represent all the height and texture combinations. =)

[MTd2]

@xtokumaru

That's amazing! Congratz! Where do I get the code for this ROM?

[spyder1138]

Great graphics for the NES! I wouldn't have believed it if I didn't see it!

[ZenPunk]

@xtokumaru the powerpak emulates expansion chips.

[du0lol]

So, do we get a source code or what? :D

[deathbyplutonium]

@xtokumaru then you need to make a first person shooter!

[CaptainAppleManFilms]

NESenstien 3D!

[Invisibrah]

This would have been so impressive back in NES times...