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The GP2X has an 'Actual' OS. The GP2x runs a version of linux with an 'Actual' GUI. Thats right! No text based command prompts here :P For the record an OS is not a GUI. And when you say 'Actual' OS i think you mean 'Desktop' OS. As an OS is just a layer between software and hardware, even...

Im not much into this type of game, so for the record i wouldn't have bought it anyway. However, i think it is cool. Despite the low colour backgrounds, i liked it how there was more going on than one ship fighting through enemies. I had the impression that the game was 3D, its hard to tell...

Heh, well the demo is worth it...Nice touch making us think that it didnt work, then starting playing around with a screenshot of the menu :P -Twixn-

I tried all of the demos i could ( i only have about 4mb free on my SD, i really need a new one). They were all pretty cool! Coming from someone who was still unsure if the GP2x could handle much 3d i was amazed (and encouraged) at some of the stuff done. I don't think i will release the code...

Heh, so am i. I'd like to see what people come up with, it looks like most of the demos are last-minute. Mine is small, its mostly just the 3d renderer im developing with some added effects (some good, some useless, but all pretty :P ). Hopefully it wins a prize, but im happy to have...

Ok done, if you dont get it i'll put it onto my webspace and give you the URL. Thanks for the quick reply btw, i was unsure if you got it. -Twixn-

Hmm, well its still good i got rid of it. SDL is great but i needed the speed of doing it myself. Did you get my entry? I sent it yesterday (well, about 10-11 hours ago). -Twixn-

I think i was lucky, i didn't use much SDL so it was easy to replace (took me about 10 minutes). But anyway, Good luck to everyone who entered! Now...time to start working on my game :P -Twixn-

Ok, after reading this entire thread (as well as gp2xdemo.com), i think i need some clarification: My demo gpe is below 64k. And it runs on a stock GP2X with firmware 2.0.0 , bought online about 2 weeks ago without any added files. ie, I haven't touched the NAND and the demo can run if it is...

Thats cool, my demo has been in dev only 2 weeks. All i have is a rotating cube, i just tried to pile on the special effects. EDIT: I tried your little demo, thats awesome, i didn't realize you had some physics/collision stuff in it. There is no 4k category, but there is a 64k category so you...

Heh, hopefully my 2 week wonder will stand a chance! (Honourable mention here i come :P ) -Twixn-

Ok, i'll set up a timer then. What i'll do is cycle through each texture, giving each about 3-4 seconds in the limelight. And whenever the 'Texture Cycle' loops back to the first texture i will go to the next effect. Simple enough, the only user interaction is X to take a screenshot, and START...

Thanks :D its progressed quite abit (im working overtime, only one week left). Although i do have a question, i know its supposed to be a non-interactive demo, or at least minimal-interactive. Whats the minimum? I mean, should i set a timer to switch between rendermodes/Textures etc? Or can i...

Well, i know it runs on a stock 2.0.0, so it should be fine. I'll have to work on some content for it, something better than just a cube. Scratch that, im sticking with the cube, lets just see how many special effects i can fit in 64k :P Put the GP2X to some serious work!! Thanks again for...

Yeah, i use SDL. Thanks for that :D Here is a picture of the solid fill rendering: And one of the texture mapping (notice the lines on the texture, they are 'bent'). Well no, but i will take a look into it now! Only a few days left so i'll try to add what i can. Looks like i may have...

Thats right. Its not that bad, the PSX managed to get away with it :P I plan to keep it (its excellent for sprites/billboards etc), but i plan to add 'non-affine' soon, or at least 'near' 'non-affine'. Thanks :D -Twixn-

Hey all, For the past week (the time i have had my GP2X) i have been developing a 3D software renderer for it. I think its coming along nicely, and i'd like to show off what i have so far. Its fairly simple ATM, only 2 render modes (solid colour and texture mapped). Sorry i have no...

Well, Im not desperate enough to play with the NAND, for my dev needs 8mb is more than enough. I just have to settle with it till i get a larger one. -Twixn-

Mine arrived in the mail 2 days ago. Been waiting nearly 2 weeks for it :D My main problem is that i only managed to scrounge up an 8mb SD disk, so i'll have to pick up a 1gb at some point. Unable to fit any games on the 8mb disk, only a SNES emu and 2 games. The day after i got it i started...

Unfortunately it does overflow the integer type (16.16), so i have to do fixed point multiplications for each component in the sqrt. But thanks, i wasn't sure how different fixed point sqrt was from integer sqrt. Now i know it just needs '>>8' on the end. Anyway, thanks everyone for your help...