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Index › Programming Questions & Help › Syntax Questions › best choose for randomize
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best choose for randomize (Read 578 times)
gioblublu
best choose for randomize
Feb 17th, 2010, 9:13am  
hi guys, tomorrow at 9 o clock i will discourse my university degree here in Milan. I am working on a robot with arduino, processing and roborealm.
I have to randomize a value to choose a quotation in an array, or something like:
int randomizer = random(0, 10);
if (randomizer == 1) { ttspeak(HI!); }
if (randomizer == 2) { ttspeak(HOLA!); }

i use ttspeak library to sintetize speech. I recall this quotation from arduino and processing with if statements based on sensor and camera input.
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koogy
Re: best choose for randomize
Reply #1 - Feb 17th, 2010, 9:52am  
int randomizer = random(0, 10);

random() returns a float so you'll need to cast it

int rnd = (int)random(0, 10);

i'd also use a switch() rather than if then else else else else else...

but an array of phrases from 0 to 9 is probably better:

ttspeak(phrase((int)random(0, 10)));

(edits, edits, sorry)
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subpixel
Re: best choose for randomize
Reply #2 - Feb 17th, 2010, 10:22am  
Does this help?

Quote:
String[] msgs =
{
  "Hi!",
  "Hola",
  "Hello",
  "Hallo",
  "G'day"
};

void draw()
{
  int msgIndex = (int)random(msgs.length);
  String msg = msgs[msgIndex];
  
  println( msg );
}
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gioblublu
Re: best choose for randomize
Reply #3 - Feb 18th, 2010, 11:27am  
Oh my god this script is awesome!!
Thank you very much!!
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