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Thanks donny662, but I think there is a misunderstanding. All animations you can see in my post are rendered in a 3D program (Lightwave) not by using the rotzoom function. Anyway, I solved the problem this morning by centering the rotated sprite: Here is the original code and behavior: CODE...

Thanks Imerion for the hint, I will check the source tomorrow. I loved Rocketz too. It would be nice to have a version for the :gp2x . I'm working on it... I even have the big fan ... but mines is moving :P Has somebody an idea for the rotzoom subject mentioned above???

Thanks PokeParadox again for the Vincent hint. I played around with this stuff but because I have not seen my gp2x (I ordered a F200) I can't test anything on it. I've made a screenshot and a little movie to show what I want to do. I have a big background image (bigger as the screen) witch...

I want to load models made of triangles. Its much more common to model objects out of triangles. Also I worked a lot with openGL in the past and can use much of my old code (loader, scenegraph, math stuff...)

Thanks PokeParadox. Thats exactly what I was looking for. I'm very familiar with openGL (as you can see on my HP http://www.otaco.de/ ) so using a openGL ES port is much more usefull for me.

Thanks for the fast answers. I looked over the yeti3d code and compiled the demo and like I understand it supports only rectangles but no triangles. Also its specialized for first person shooter what makes it not usable for my purposes. gpu940 looks a bit better but I could not find any...

Is there a 3D engine or a lowlevel Api for 3d programming out there? I know the :gp2x has no 3d acceleration but games like payback are showing that 3d is possible. Because it is very uncomfortable to rotate sprites with the SDL I thought it must be possible to use bitmaps for all static images...

Thanks hal9000, I expected something very slow so I tried to optimize everything I could. I found some fixed point classes I will use via typedef to use the same code on both systems. I updated the reference if somebody want take a look. SDLE Reference I would be happy to get some feetback...

For my first project on the gp2x I plan a Asteroids-like game with scrollable levels, some boni and a shop between the levels. You have to clear the stages from enemies as fast as possible and with a good hit quote to earn money for the shop (Do you know the game transplant on the Amiga?, much...

Thanks for your answers. Here are the doxygen doc: SDLE Docs This is a very early version. I wrote the last two days so take a look and wait for a real release....

Hi, I'm programming a little 2D sprite-particle-game-collision-thing using the SDL. I don't have seen a gp2x jet (I plan to buy the F200 in October) so I have some performance questions some of you folks surly can answer: 1. How munch Ram I have left for my program after the system is loaded...