From 7b6482872ec06317028bacf6cb694a479b942d56 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Fri, 22 Aug 2003 00:20:54 +0000 Subject: added 0.37 version from pddp_referencesfiles.zip svn path=/trunk/; revision=890 --- doc/pddp/help-until.pd | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 doc/pddp/help-until.pd (limited to 'doc/pddp/help-until.pd') diff --git a/doc/pddp/help-until.pd b/doc/pddp/help-until.pd new file mode 100644 index 00000000..afb562cd --- /dev/null +++ b/doc/pddp/help-until.pd @@ -0,0 +1,89 @@ +#N canvas 59 5 829 645 10; +#X msg 28 525 bang; +#X obj 25 13 until; +#X obj 28 546 until; +#X text 59 525 start; +#X obj 28 568 f; +#X obj 57 568 + 1; +#X obj 103 570 sel 0; +#X obj 28 612 print; +#X obj 57 590 mod 10; +#X text 19 42 Every modern programming language will have various "looping" +mechanisms: either in the form of an object \, or as a data structure. +For example in Visual Basic:; +#X text 30 100 DO UNTIL i = 100; +#X text 30 114 i = i + 1; +#X text 31 85 i = 0; +#X text 30 129 LOOP; +#X text 15 210 And now PD's version of the above programming structures: +; +#X obj 24 257 until; +#X msg 24 237 100; +#X obj 24 277 print i; +#X text 17 304 If you start [until] with a "bang" \, it will begin +an infinite loop! Please plan ahead in this case so that there is a +mechanism in place to stop the loop - otherwise PD will effectively +freeze.; +#X text 17 361 HOW TO FREEZE PD; +#X msg 25 384 bang; +#X obj 25 404 until; +#X obj 25 424 print; +#X text 63 384 DO NOT CLICK. DO NOT CLICK. DO NOT CLICK.; +#X text 66 404 If you click \, click the "close window" (X) button +on PD's terminal window - or reboot the computer.; +#X text 17 145 OR:; +#X text 29 161 FOR i = 0 TO 100; +#X text 28 187 NEXT; +#X text 29 175 ' do something; +#X text 26 493 The example below includes a method to stop the loop +to prevent PD from looping infinitely.; +#X text 434 44 If you start [until] with a number \, it iterates that +number of times. The [uzi] object in MAX works the same way.; +#X obj 441 131 until; +#X msg 441 84 100; +#X obj 441 151 print i; +#X msg 469 91 3; +#X msg 497 98 42; +#X text 26 451 The [until] object's left inlet starts a loop in which +it outputs "bang" until its right inlet gets a "bang" which stops it. +; +#X obj 413 17 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X obj 413 605 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 +-1; +#X text 67 13 - LOOPing mechanism; +#X text 442 580 This document was updated for PD version 0.35 test +26 by Dave Sabine as part of a project called pddp proposed by Krzysztof +Czaja to build comprehensive documentation for PD.; +#X text 436 185 RELATED OBJECTS; +#X text 441 204 ?? This author does not know of any other native looping +mechanisms in PD.; +#N canvas 0 0 452 302 related_objects_from_other_libraries 0; +#X text 27 63 These objects are offered in PD only if you have downloaded +and properly installed the appropriate library. These objects may or +may not exist in a single library.; +#X text 26 112 The best places to find information about PD's libraries +is:; +#X text 23 134 www.pure-data.org and click on "Downloads" then "Software" +; +#X text 25 149 or; +#X text 25 164 iem.kug.ac.at/pdb/; +#X obj 43 32 for++; +#X restore 449 244 pd related_objects_from_other_libraries; +#X connect 0 0 2 0; +#X connect 2 0 4 0; +#X connect 4 0 5 0; +#X connect 4 0 7 0; +#X connect 5 0 8 0; +#X connect 6 0 2 1; +#X connect 8 0 4 1; +#X connect 8 0 6 0; +#X connect 15 0 17 0; +#X connect 16 0 15 0; +#X connect 20 0 21 0; +#X connect 21 0 22 0; +#X connect 31 0 33 0; +#X connect 32 0 31 0; +#X connect 34 0 31 0; +#X connect 35 0 31 0; +#X connect 37 0 38 0; -- cgit v1.2.1