> Le 20 nov. 2018 à 15:26, Virginie YK <virginie...@gmail.com> a écrit :
>
> Hello,
>
> I'd like to create programs using accelerometer on many platforms, and there
> are many things that I do not understand.
>
> 1) why (test on a Android smartphone) does in this exemple, only 2 out of 3
> parameters are moving with my movement, although 3 are configured in the code
> ?
> (it"s one of the examples you give, but I can't find it anymore in the new
> documentation. It was in the "using built-in sensors" section).
>
> import("stdfaust.lib");
>
> // parameters
> x0 = hslider("x0",0.5,0,1,0.01) : si.smoo;
> y0 = hslider("y0",0.5,0,1,0.01) : si.smoo;
> y1 = hslider("y1",0,0,1,0.01) : si.smoo;
> q = hslider("q[acc: 0 0 -10 0 10]",30,10,50,0.01) : si.smoo;
> del = hslider("del[acc: 0 0 -10 0 10]",0.5,0.01,1,0.01) : si.smoo;
> fb = hslider("fb[acc: 1 0 -10 0 10]",0.5,0,1,0.01) : si.smoo;
>
> // mapping
> impFreq = 2 + x0*20;
> resFreq = y0*3000+300;
>
> // simple echo effect
> echo = +~(de.delay(65536,del*ma.SR)*fb);
>
> // putting it together
> process = os.lf_imptrain(impFreq) : fi.resonlp(resFreq,q,1) : echo :
> ef.cubicnl(y1,0)*0.95 <: _,_;
>
>
>
it works here on an Motorola smartphone we have : the 3 sliders are moving.
>
>
> 2) (test on a Android smartphone) if I change acc with gyr and choose good
> parameters, nothing happens and the sensors do not work at all.
>
> 3) How do you link the easy [acc: a b c d e] with the fact that you want to
> use the X, Y or Z axis ?
The ‘a’ parameter [between 0 and 2] describes the X, Y or Z axis.
>
> 4) in Faust Playground (whichi is html based) on my Laptop, you provided the
> possibility to EDIT the "blocks" (instruments or effects) and choose if I
> want or not use the accelerometer... But, whatever I choose, it doesn't
> change anything in the code. (and I did'nt find any parameters that could be
> impacter by this).
Do you mean the code you can edit in Faust Playground? (I can see the change
here that I’ve done in the accelerometer editor)
> Anyway, whether I choose accelerometer or not, it doesn't work on a
> laptop.So, what is the use of it, and how does it work ?
>
> Finally, am trying to understand how does the accelerometer parameters work.
> Am I correct, if I say these statements :
>
> - the accelerometer does not work on Html,
You are supposed to edit the accelerometer in the HTML code, the possible
export the DSP on Android with the « Export » button
> so not on my laptop, although you created an interface especially for that
>
> - the accelerometer could work on iOS if I were an Apple Developper... so,
> for me, it's impossible to test it.
Tis is not strictly related to accelerometer: you have to open an developer
account on Apple to become an iOS developer, then you can possibly export (from
Faust Playground) and compile an iOSX project
>
> - the accelerometer works on Android ... but "sometimes" it doesn't work ???
It way be related to your smartphone model ?
>
> I'm sure I missed something.... could you help me ?
> Thanks a lot.
> Virginie K
>
> PS : I must thank Julius for his last answer. Sorry for not having doing so
> before ...
> _______________________________________________
Stéphane
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