Simple Physics Engine SPE Simplified Chinese

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Pegas 2007-10-09 21:09:32 17
Hello. I'm sorry for my terrible english. I have a problem with SPE. Can you write sample special for me with my one model in format .x? SPE Failed if i load this model.

pegas@lsiggroup.cz

phyar 2007-10-05 10:48:06 16
Hello. I'm sorry for my terrible english, but what pappers is your engine based on? Or is it fully your invention? I've heard that it uses some kind position-based alghorithms, and Verlet integrator, but I'm not sure. Where could I read about technnical side of your engine?
Thanks.
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In fact, I rarely read some papers although I collected many, what I read a lot is physics books and mathmatics books.
I don't think it's a matter what type of integration you use, I use simple Euler methed to do integration. Tri-mesh preprocess and collision detection is my own invention so you can not find any information in any papers. The solver I used in SPE is more like a constraint method, but I use a different form and I've done a lot modifications. I believe impulse-based, constraint-based or position-based are the same things in mathmatics while solving rigid body dynamics, but I just know a little about position-based method and maybe it is helpful while simulating clothes things.
Thanks.

Suslik[mipt] 2007-10-04 21:24:18 15
Hello. I\'m sorry for my terrible english, but what pappers is your engine based on? Or is it fully your invention? I\'ve heard that it uses some kind position-based alghorithms, and Verlet integrator, but I\'m not sure. Where could I read about technnical side of your engine?
Thanks.

phyar 2007-10-02 09:14:14 14
does SPE handle very large terrain meshes well? (600k to 10M tris) what sort of broadphase is used?
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I just test 500*500(500k triangles) terrain and it works well. I\'ll optimize it to handle 1000*1000(2M triangles) terrain without performance reduction in the next release. I use a special spacial grid to accerate broad phase. Thanks.

t 2007-10-02 07:49:02 13
does SPE handle very large terrain meshes well? (600k to 10M tris) what sort of broadphase is used?

phyar 2007-09-29 08:20:00 12
Hi, is it possible to get a bodys rotation in a euler vector ?
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Euler angle is not supported directly by SPE at present, you need to convert it yourself after you get the rotation matrix.

simon 2007-09-28 19:38:34 11
Hi, is it possible to get a bodys rotation in a euler vector ?

phyar 2007-09-24 19:31:26 10
is it me or is sdk download corupted ?
downloaded like five times with no luck.
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Can you download Demo successfully? You can try to use a download manager to get it.

ghv 2007-09-24 16:13:21 9
is it me or is sdk download corupted ?
downloaded like five times with no luck.

phyar 2007-09-24 09:10:04 8
Can we adjust the simulation accurancy to promote computation efficiency?
The fact is that games do not need accurate simulation. And detail of presentation of objects far from camera is hardly sensed.
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No this functionality at present, but objects far from camera is in fact often be static which need not computation. Thanks


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