Re: [PD] small set of vector transforming abstractions
Roman Haefeli wrote: hi all during my trials with gem i made a little set of abstractions, that hopefully could be usefull when dealing with vectors. at least they have been for me. the set contains: [v_+] : adds two vectors [v_-] : subtracts a vector from another [v_scale] : scales a vector funnily enough theses have been part of Gem for a long time. they have been made abstractions and moved to markEx (along with other objects that are not directly related to Gem) [v_mag] : outputs the magnitude of a vector [v_normalize] : normalizes a vector (so that its magnitude becomes 1) [v_x] : computes the cross product of two vectors [v_rotate] : rotates a vector around another let me know if you miss something or if you find it not useable at all. why don't you just make them part of the frank's list-abstractions? mf.asdr IOhannes ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] small set of vector transforming abstractions
Hallo, IOhannes m zmoelnig hat gesagt: // IOhannes m zmoelnig wrote: why don't you just make them part of the frank's list-abstractions? Because they already are? ;) But the versions of these in [list]-abs also handle arbitrary length lists and lists including symbols (which get ignored). If you already know, that you always have 3-element float lists you can optimize stuff a bit. Ciao -- Frank Barknecht _ __footils.org_ __goto10.org__ ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] small set of vector transforming abstractions
On Thu, 2007-03-01 at 10:53 +0100, Frank Barknecht wrote: Hallo, IOhannes m zmoelnig hat gesagt: // IOhannes m zmoelnig wrote: why don't you just make them part of the frank's list-abstractions? Because they already are? ;) But the versions of these in [list]-abs also handle arbitrary length lists and lists including symbols (which get ignored). If you already know, that you always have 3-element float lists you can optimize stuff a bit. hey frank after a closer look to list-abs again, it turned out that almost all of the vector-abs are already implemented in list-abs and therefore could be considered obsolet. the only really new is [v_rotate] (it's _not_ the same as list-rot) and possibly [v_move], which is somehow related to [triple-scale]. however, i started with [v_rotate] which i was really missing and then one came after the other. i didn't meant to invent the wheel again. roman ___ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] small set of vector transforming abstractions
On Thu, 2007-03-01 at 10:10 +0100, IOhannes m zmoelnig wrote: Roman Haefeli wrote: hi all during my trials with gem i made a little set of abstractions, that hopefully could be usefull when dealing with vectors. at least they have been for me. the set contains: [v_+] : adds two vectors [v_-] : subtracts a vector from another [v_scale] : scales a vector funnily enough theses have been part of Gem for a long time. they have been made abstractions and moved to markEx (along with other objects that are not directly related to Gem) [v_mag] : outputs the magnitude of a vector [v_normalize] : normalizes a vector (so that its magnitude becomes 1) [v_x] : computes the cross product of two vectors [v_rotate] : rotates a vector around another let me know if you miss something or if you find it not useable at all. why don't you just make them part of the frank's list-abstractions? i don't think that these should get part of list-abs, though they share some functionality. the list-abs are so cool, because they work with any list with any length. the aim of the v_abs is really only dealing with vectors (list of 3 floatatoms) and they are a bit faster because of that. when passing 1000 vectors each gem render cycle, this could make a difference, i think. roman ___ Telefonate ohne weitere Kosten vom PC zum PC: http://messenger.yahoo.de ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] small set of vector transforming abstractions
Hallo, Roman Haefeli hat gesagt: // Roman Haefeli wrote: after a closer look to list-abs again, it turned out that almost all of the vector-abs are already implemented in list-abs and therefore could be considered obsolet. the only really new is [v_rotate] (it's _not_ the same as list-rot) and possibly [v_move], which is somehow related to [triple-scale]. however, i started with [v_rotate] which i was really missing and then one came after the other. i didn't meant to invent the wheel again. Not at all: I think, having a set of specific 3-element vector operations available as abstractions is very useful. Ciao -- Frank Barknecht _ __footils.org_ __goto10.org__ ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
[PD] small set of vector transforming abstractions
hi all during my trials with gem i made a little set of abstractions, that hopefully could be usefull when dealing with vectors. at least they have been for me. the set contains: [v_+] : adds two vectors [v_-] : subtracts a vector from another [v_scale] : scales a vector [v_mag] : outputs the magnitude of a vector [v_normalize] : normalizes a vector (so that its magnitude becomes 1) [v_x] : computes the cross product of two vectors [v_rotate] : rotates a vector around another let me know if you miss something or if you find it not useable at all. it can be downloaded from here: http://romanhaefeli.net/pd/v_abstractions.tar.gz roman ___ Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: http://mail.yahoo.de ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] small set of vector transforming abstractions
How convenient to be having linear algebra AND complex math in the same week! (Now for how they are related...) More like this, please!!! ~Kyle On 2/28/07, Roman Haefeli [EMAIL PROTECTED] wrote: hi all during my trials with gem i made a little set of abstractions, that hopefully could be usefull when dealing with vectors. at least they have been for me. the set contains: [v_+] : adds two vectors [v_-] : subtracts a vector from another [v_scale] : scales a vector [v_mag] : outputs the magnitude of a vector [v_normalize] : normalizes a vector (so that its magnitude becomes 1) [v_x] : computes the cross product of two vectors [v_rotate] : rotates a vector around another let me know if you miss something or if you find it not useable at all. it can be downloaded from here: http://romanhaefeli.net/pd/v_abstractions.tar.gz roman ___ Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: http://mail.yahoo.de ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list -- http://theradioproject.com http://perhapsidid.blogspot.com (()()()(()))()()())( (())(())()((( ))(__ _())(()))___ (((000)))oOO ___ PD-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
