- chuck-users - lists.cs.princeton.edu

byte ordering and sndbuf
by Robert Edge 19 Jan '06

19 Jan '06

hey there, just getting started playing with chuck. I downloaded ChuckJoy.zip from the developers list and noticed that sndbuf was (not)byte-swapping the .raw files. converting the samples to little-endian solved the problem. .wav and .aiff files work fine, I was just wondering if this is what is supposed to be happening, as all the rawwaves that come with STK are saved in the same format. using chuck 1.2.0.4 on Fedora Core 3, amd x86_64 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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winxp ChucK setup
by Julian Sorrel 18 Jan '06

18 Jan '06

I'm just trying out ChucK for the first time, and I'm not able to get chuck to load a file. If I prompt to D:\Chuck\examples\, theoretically I should be able to enter "chuck otf_01.ck" and have it launch, right? I'm running Windows XP, and using the win32.exe ChucK (which I put in System32). I'd appreciate any help. Thanks, Newb. --------------------------------- Yahoo! Photos Got holiday prints? See all the ways to get quality prints in your hands ASAP.

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standard library documentation updated
by Ge Wang 17 Jan '06

17 Jan '06

Greetings, We have updated the online documentation for the standard libraries, finally adding descriptions to many functions: http://chuck.cs.princeton.edu/doc/program/stdlib.html The changes will also be reflected in the next version of the ChucK manual (pdf). All items on this guide should be present, with the exception of math.pi, math.twopi, and math.e. Please let us know if you find any problems. Best, Ge!

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Question about Gain and instantiating objects
by Mike McGonagle 16 Jan '06

16 Jan '06

Hello All, I have created an object that basically is a simple sine wave grain to be used to create a "cloud" of sound. What I would like to do is to instatiate MANY of these objects, each of which would "exist" for maybe 10 milliseconds, or thereabouts. I was hoping to do this, as I am not really sure exactly how many instances will be needed at a given time. So, I got the object created (in the file 'sinegrain.ck'), and I call its function, sporking it into its own thread. When I create a single object, everything seems to work fine, but when I do more than one, everything goes haywire. I have attached an archive with all the files I use, and you can run them with the following... > chuck sinegrain sgtest1 rec-auto > chuck sinegrain sgtest2 rec-auto > chuck sinegrain sgtest3 rec-auto > chuck sinegrain sgtest4 rec-auto Each of the test files (sgtest...) creates the number of objects that is indicated by the number in the file name. When you run this, you will need to hit control-c to stop everything. The object will produce a print out with the gain of each generator, and once it is finished, it will print "done". You can hit control-c after that... I did this in Pure Data, but I had to create it in such a way that there were already all the generators instantiated, so if there ever occured a moment where one more generator was needed that created, it would "steal" a generator. This occasionally produced some clicks in the resulting sound. Will I need to create an "array" of my objects, creating all the instances that I may need? Or should I be able to create an object, call its function, and call its function by sporking it, and then instatiate a new object using the same object reference? I hope this makes sense, I didn't get much sleep last night, and my brain hurts... Mike

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how to know the input energy??
by Lewis Liu 10 Jan '06

10 Jan '06

Dear Sir, How to get the value of input energy?? Thanks. Lewis

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Math Status
by Mike McGonagle 10 Jan '06

10 Jan '06

I was trying to use the math.pi() and math.twopi() methods, and ChucK complains that these are not members of the library. What is the status of the math library? How complete is it? Thanks, Mike

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Question about Arrays
by Mike McGonagle 09 Jan '06

09 Jan '06

Hello All, I was wondering how I could, once an array has been defined and given a size, how can I recreate this array with a new size as an empty array. Basically, what I am trying to do is to take one array and temporarily store it in another array for later recall. I am creating an object that will extend another, but I want this functionality to reside in the parent object, and the subclasses may have different sizes for these arrays. ******************************* public class BaseClass { float myArray[]; float myStoreArray[]; fun void backUpArray() { myStoreArray[myArray.cap()]; // this is the line in question for (0 => int i; i < myArray.cap(); i++) { myArray[i] => myStoreArray[i]; } } } public class SubClass extends BaseClass { fun void assignMyArray(float a, float b, float c, float d) { [a, b, c, d] @=> myArray; } } public class SubClass2 extends BaseClass { fun void assignMyArray(float x, float y, float z) { [x, y, z] @=> myArray; } } SubClass sub1; SubClass2 sub2; sub1(0.4, 0.6, 1.5, 2.6); sub2(37.2, 23.4, 53.2); sub1.backUpArray(); sub2.backUpArray(); ******************************* I hope this makes sense. Thanks, Mike

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Envelope
by michael breitenbach 09 Jan '06

09 Jan '06

hi, the Envelope UGen has no last() methode ... (instead value() does the same i think) micha

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Any plans for a "Repository"
by Mike McGonagle 06 Jan '06

06 Jan '06

Hello all, Are there any places where people can share their things they produce using ChucK? It would be interesting to hear what others are doing, and possibly learn and build on what others have done? If this is something that is in the works, would this be something where people would submit an MPEG file, or the ChucK source files? One thing that I have done so far was to "translate" some code for doing "Masks" (ala CMask). Plus, I would be interested in sharing my Fractal Classes (once they are in a more complete state). Thanks, Mike

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question about public class
by michael breitenbach 06 Jan '06

06 Jan '06

hi, why doesnt work the following code (bus error on osx): public class wx5 { static Envelope breath; } wx5.breath => blackhole; i want to use the public class for global control variables. the following does the same as the fragment above - but i have to create a dummy object: public class wx5 { static Envelope breath => blackhole; } wx5 dummy; micha

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