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

TextMate bundle
by Thomas Friese 23 Aug '09

23 Aug '09

Hi TextMate users, the ChucK.tmbundle is now avaiable from GitHub <http://tasmo.github.com/ChucK.tmbundle/>. Collaborative workers are very welcome! The source is on <http://github.com/tasmo/ChucK.tmbundle/tree/master>. Cheers Tom

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Re: [chuck-users] spline envelopes
by Bozelos Dimitris 23 Aug '09

23 Aug '09

Hi, thanks everyone for the replies. Gen[n] and CurveTable are useful I will give them a try. If i'm not mistaken the curves generated this way pass through the intermediate points, so I was thinking of bezier curves because they pass in between the intermediate points and meet only the edges and they are smoother. Thanks for the code Mike! I looked at your technique and I have a couple of observations/questions. I guess you disconnect the envelope to save cpu when not needed. But you have the phasor in ( .op() == 0 ) - probably for the same reason - which I haven't verified it but according to the manual should still be active but giving output of 0 - so it wastes cpu, no? And shouldn't be needed to block the input since you use the multiplier's gain for it, no? I usually use the passthru status ( .op() == -1 ) which shouldn't use any cpu. I post part of my envelope class in case anybody would be interested in this way. Maybe too much for just an envelope but in long complicated code I find it really time saving to use this kind of 'secure' code: public class XEnvelope { Envelope envelope; UGen @ inputRef; UGen @ outputRef; // default status: passthru -1 => envelope.op; int isChucked; // 1 if connected both ways (left-right) int isOn; // 1 if envelope.op() == 1 int isRunning; // 1 while envelope is running 5 => int isBlocked; // if( isBlocked == 5 ) it is not blocked // otherwise it indicates the op status before blocked // connect input // if already connected, disconnect and connect the new one fun void leftChuck( UGen input ) { if( inputRef != NULL ) { leftUnchuck(); } input => envelope; input @=> inputRef; if( outputRef != NULL ) { 1 => isChucked; } } // connect to output // if already connected, disconnect and connect the new one fun void rightChuck( UGen output ) { if( outputRef != NULL ) { rightUnchuck(); } envelope => output; output @=> outputRef; if( inputRef != NULL ) { 1 => isChucked; } } // disconnect input fun void leftUnchuck() { if( inputRef != NULL ) { inputRef =< envelope; NULL @=> inputRef; 0 => isChucked; } } // disconnect output fun void rightUnchuck() { if( outputRef != NULL ) { envelope =< outputRef; NULL @=> outputRef; 0 => isChucked; } } // when blocking the envelope be careful not to change envelope.op // elsewhere. security will be enhanced in the future fun void block() { if( isBlocked == 5 ) { envelope.op() => isBlocked; 0 => envelope.op; } } fun void unblock() { if( isBlocked != 5 ) { isBlocked => envelope.op; 5 => isBlocked; } } // being OFF, turn on, run and hold // needs to be turned off in the end with 'off' fun void on( float start, float target, int milliseconds ) { if( isChucked && !isOn ) { 1 => isRunning => isOn => envelope.op; milliseconds::ms => envelope.duration; start => envelope.value; target => envelope.target; milliseconds::ms => now; 0 => isRunning; } else if( !isChucked ) { <<< "ERROR: can't turn the envelope on - not connected" >>>; } else if( isOn ) { <<< "ERROR: can't turn the envelope on - already on" >>>; } } // being OFF, turn on, run and hold // needs to be turned off in the end with 'off' fun void on( float start, float target, int milliseconds ) { if( isChucked && !isOn ) { 1 => isRunning => isOn => envelope.op; milliseconds::ms => envelope.duration; start => envelope.value; target => envelope.target; milliseconds::ms => now; 0 => isRunning; } else if( !isChucked ) { <<< "ERROR: can't turn the envelope on - not connected" >>>; } else if( isOn ) { <<< "ERROR: can't turn the envelope on - already on" >>>; } } // being ON, run to target and turn off fun void off( float target, int milliseconds ) { if( isOn && !isRunning ) { 1 => isRunning; milliseconds::ms => envelope.duration; target => envelope.target; milliseconds::ms => now; 0 => isRunning; -1 => envelope.op; 0 => isOn; } else if( !isOn ) { <<< "ERROR: can't turn the envelope off - already off" >>>; } else if( isRunning ) { <<< "ERROR: can't turn the envelope off - running" >>>; } } // being ON, move to next target fun void to( float target, int milliseconds ) { if( isOn && !isRunning ) { 1 => isRunning; milliseconds::ms => envelope.duration; target => envelope.target; milliseconds::ms => now; 0 => isRunning; } else if( !isOn ) { <<< "ERROR: can't move the envelope - envelope off" >>>; } else if( isRunning ) { <<< "ERROR: can't move the envelope - running" >>>; } } // being OFF, turn on, run and turn off fun void onOff( float start, float target, int milliseconds ) { if( isChucked && !isOn ) { 1 => isRunning => isOn => envelope.op; milliseconds::ms => envelope.duration; start => envelope.value; target => envelope.target; milliseconds::ms => now; -1 => envelope.op; 0 => isOn; 0 => isRunning; } else if( !isChucked ) { <<< "ERROR: can't turn the envelope on/off - not connected" >>>; } else if( isOn ) { <<< "ERROR: can't turn the envelope on/off - already on" >>>; } } } ___________________________________________________________ Χρησιμοποιείτε Yahoo!; Βαρεθήκατε τα ενοχλητικά μηνύματα (spam); Το Yahoo! 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Re: [chuck-users] The ChucK Show
by Les Hall 21 Aug '09

21 Aug '09

Also, the recordings of previous shows are available in this thread on the second and third pages: http://electro-music.com/forum/viewtopic.php?t=33404 Les

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The ChucK Show
by Les Hall 21 Aug '09

21 Aug '09

Last week on the ChucK show we had a great time with PLOrk and beans, and we have enough material left over for a second PLOrk and beans show which will happen next week (Plork and Beans leftovers, mmmm). This week, today in about seven hours in fact, we will have a Nord Modular show. It's mostly very mellow, relaxing stuff with some tenser moments plus some really upbeat happy music too. If you miss it there will be a recording available along with all the previous shows. Les

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Playing with fire
by Kassen 21 Aug '09

21 Aug '09

Fellow ChucKists, Yesterday I posted this to the forum and I thought people here might be amused as well. I suppose it's "code art" but working from the idea that some art can be ugly. It might also be a bit like a toddler who discovers he *can* stuff beads up his nose and doesn't stop to pause whether he *should* do so... I'm sorry, Kas. UGen top; fun UGen foo(int n) { if (n <= 0) { return dac; } else { ([new SinOsc, new TriOsc, new SawOsc, new SqrOsc])[ Std.rand2(0, 3)] @=> UGen bar; 1.0 / n => (bar $ Phasor).phase; (n%3) + 1 => (bar $ PulseOsc).sync; (75 * (n-1)) + 1 => bar.gain; (5 * n) => (bar $ Shakers).freq; if (n == 1) bar @=> top; bar => foo(n - 1); return bar; } } Step stp => Envelope e; true => stp.next; 6::second => dur loop => e.duration; while (1) { top =< dac; !(e.value() $ int ) * 10000 => e.target; e => foo(([1, 4, 7, 10, 13])[Std.rand2(0,4)]); loop => now; }

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Gary Go on iPhone
by Hans Aberg 18 Aug '09

18 Aug '09

Illustration and perhaps inspiration of some musical software on the iPhone: http://link.brightcove.com/services/player/bcpid33571408001 http://www.keyboardmag.com/article/gary-go-gives/aug-09/99553 Hans

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spork question
by Bozelos Dimitris 15 Aug '09

15 Aug '09

Hello everyone, I have encountered a behaviour in my adventures with ChucK that I cannot really understand. Let's suppose the following classes: class TEnvelope { fun void TFunction( int milliseconds ) { <<< "before", now >>>; milliseconds::ms => now; <<< "after", now >>>; } } class StereoTEnvelope { TEnvelope envelopeL; TEnvelope envelopeR; fun void TFunction( int milliseconds ) { spork ~ envelopeL.TFunction( milliseconds ); envelopeR.TFunction( milliseconds ); } } class TTest { StereoTEnvelope envelope; fun void TFunction( int milliseconds ) { envelope.TFunction( milliseconds ); } } and then I do: ( TTest tTest ).TFunction( 5000 ); The function in StereoTEnvelope that I call with envelope.TFunction proceeds as expected printing 'now' both before and after advancing time. But the function that I spork prints only before and then quits. ????? Dimitris ___________________________________________________________ Χρησιμοποιείτε Yahoo!; Βαρεθήκατε τα ενοχλητικά μηνύματα (spam); Το Yahoo! Mail διαθέτει την καλύτερη δυνατή προστασία κατά των ενοχλητικών μηνυμάτων http://login.yahoo.com/config/mail?.intl=gr

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play and record stereo with WvIn and WvOut
by michael breitenbach 15 Aug '09

15 Aug '09

hi, how ist it possible to play or record in stereo(or more channels)-aiff? who can help? micha

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Re: [chuck-users] chuck and jack
by Bozelos Dimitris 14 Aug '09

14 Aug '09

Hi Cody, thanks, I'll try this, I will still look for a solution for the interface problem but this might help with xruns. Dimitris >you might try configuring JACK differently. I also use linux >(although I have yet to get chuck-jack to compile correctly) and have >found that JACK can be rather finnicky about the settings you use. If >you are not, I would suggest using Qjackctl to configure all of the >options. It allows much easier control of all the different settings >that simply using the command line. There are several tutorials >around for minimising xruns . ___________________________________________________________ Χρησιμοποιείτε Yahoo!; Βαρεθήκατε τα ενοχλητικά μηνύματα (spam); Το Yahoo! Mail διαθέτει την καλύτερη δυνατή προστασία κατά των ενοχλητικών μηνυμάτων http://login.yahoo.com/config/mail?.intl=gr

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spline envelopes
by Bozelos Dimitris 12 Aug '09

12 Aug '09

Hello, has anybody implemented in ChucK or elsewhere else envelopes with the use of bezier or other spline curves? Linear is can be boring sometimes! Any efficient algorithm? I was thinking of trying De Casteljau algorithm but I would like to hear from anybody else that has already done something similar. Cheers, Dimitris ___________________________________________________________ Χρησιμοποιείτε Yahoo!; Βαρεθήκατε τα ενοχλητικά μηνύματα (spam); Το Yahoo! Mail διαθέτει την καλύτερη δυνατή προστασία κατά των ενοχλητικών μηνυμάτων http://login.yahoo.com/config/mail?.intl=gr

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