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Groups > comp.lang.javascript > #32617
| From | "Chris M. Thomasson" <invalid@invalid.invalid> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: Field Collisions Anime... |
| Date | 2017-02-12 20:00 -0800 |
| Organization | n/a |
| Message-ID | <o7rate$c6c$1@dont-email.me> (permalink) |
| References | <o7op8l$otg$1@dont-email.me> <0161d58e-ee3e-408b-aa2d-aa7b0247767d@googlegroups.com> |
On 2/12/2017 7:59 AM, Michael Haufe (TNO) wrote: > Chris M. Thomasson wrote: >> Here is the non-interactive pre-alpha test origin of a "collision >> avoidance system" based on vector fields. Its meant to be a fun, >> hopefully interesting, experiment. So far, the damn field lines just >> want to help the vehicles in circles avoid crashes. In this crude setup, >> a collision will make the anime flash, and tangentially move the >> colliding agents out of the way. The crude online example is here: >> >> http://funwithfractals.atspace.cc/ct_gf_explore >> (does this work for you at all?) >> >> Fwiw, I first posted about this here: >> >> https://plus.google.com/101799841244447089430/posts/JmbpLWvdJEf >> (has a screenshot of the program...) >> >> Can you please give it a go? Is it slow as shi%? Crap? >> >> Any radical bugs in the JavaScript? ;^o >> >> Thanks. > > averaging about 16 FPS. Nearly 20% of the time spent on Garbage Collection. Yup. Its because of all the damn arrays. The code uses them in the animation loop. Fwiw, this is in relation to: https://groups.google.com/d/topic/comp.lang.javascript/dgakiMzhgv0/discussion I did a benchmark, and the array version is slower. > > There are a significant number of optimizations that could be done here, such as double-buffering, not drawing in Immediate Mode, and others. > > Missing 'use strict' pragma > > JSHint shows a number of minor issues you should handle: <http://jshint.com/> Thank you Michael. Will study the problems. > > Aside: You seem to write JavaScript like a C or C++ programmer which is a little strange. > Big time. I am actually not all that used to JavaScript. However, its a nice little medium to get some quick, hopefully portable, animations up, to see whats going on.
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Field Collisions Anime... "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-02-11 20:46 -0800
Re: Field Collisions Anime... jonas.thornvall@gmail.com - 2017-02-11 23:00 -0800
Re: Field Collisions Anime... "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-02-13 16:15 -0800
Re: Field Collisions Anime... jonas.thornvall@gmail.com - 2017-02-12 01:27 -0800
Re: Field Collisions Anime... "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-03-05 18:47 -0800
Re: Field Collisions Anime... "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-02-12 07:59 -0800
Re: Field Collisions Anime... "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-02-12 20:00 -0800
Re: Field Collisions Anime... "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-02-14 18:16 -0800
Re: Field Collisions Anime... "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-02-14 18:27 -0800
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