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Groups > comp.lang.javascript > #32636

Re: Field Collisions Anime...

From "Chris M. Thomasson" <invalid@invalid.invalid>
Newsgroups comp.lang.javascript
Subject Re: Field Collisions Anime...
Date 2017-02-14 18:16 -0800
Organization n/a
Message-ID <o80di7$lle$1@dont-email.me> (permalink)
References <o7op8l$otg$1@dont-email.me> <0161d58e-ee3e-408b-aa2d-aa7b0247767d@googlegroups.com> <o7rate$c6c$1@dont-email.me>

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On 2/12/2017 8:00 PM, Chris M. Thomasson wrote:
> 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.

error 132 is serious, undefined variable.

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Thread

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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