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by jharwell
Mon May 30, 2022 7:57 pm
Forum: Bugs
Topic: Can't use spatial_hash with multiple physics engines
Replies: 3
Views: 1760

Re: Can't use spatial_hash with multiple physics engines

From https://chipmunk-physics.net/forum/viewtopic.php?t=2338 and the chipmunk author: Chipmunk doesn't have any global shared state. You can safely run separate Chipmunk spaces in different threads. It's not thread safe however. If you want to access a single space from multiple threads, you'll need...
by jharwell
Mon May 30, 2022 2:24 pm
Forum: Bugs
Topic: Can't use spatial_hash with multiple physics engines
Replies: 3
Views: 1760

Re: Can't use spatial_hash with multiple physics engines

Sure--pm me with some times that work for you and we can find a time to chat.
by jharwell
Mon May 30, 2022 1:51 am
Forum: Bugs
Topic: Can't use spatial_hash with multiple physics engines
Replies: 3
Views: 1760

Can't use spatial_hash with multiple physics engines

Hello, ARGoS crashes whenever I try to use the spatial_hash capability of the dynamics2d engine with multiple engines. If I set two physics engines (each has half the arena) and then 2 threads, ARGoS always crashes. If I then set ARGoS to only use 1 thread (keeping multiple physics engines), then th...
by jharwell
Thu Feb 18, 2021 1:52 am
Forum: How to... ?
Topic: QT OpenGL frame capture error
Replies: 6
Views: 8386

Re: QT OpenGL frame capture error

Specifying the light placements manually helped to some degree. Now, I only see that black floor sporadically (see attached video). If I disable interpolation it happens less, but it still happens. The blocks on the floor (black squares in the video) also seem to sporadically move around, which does...
by jharwell
Thu Feb 18, 2021 12:35 am
Forum: How to... ?
Topic: Thymio ASEBA controller
Replies: 3
Views: 4955

Re: Thymio ASEBA controller

I think your best bet is to contact the Thymio extension author and ask for a Thymio example written in ASEBA. ARGoS only supports controllers written in C/C++ or Lua. From looking tho extension repo, I don't see anything that is not written in C++ :-(, so it may be that the documentation is incorre...
by jharwell
Wed Feb 03, 2021 1:36 am
Forum: How to... ?
Topic: QT OpenGL frame capture error
Replies: 6
Views: 8386

Re: QT OpenGL frame capture error

Yeah I did try that. The default ARGoS camera positions were a little low for what I wanted, so I raised them up to ~10 meters above the arena. Instead of the entire floor being black, only MOST of it was--the end of the arena furthest from the lights had a white floor, and I was able to determine t...
by jharwell
Tue Feb 02, 2021 7:26 pm
Forum: How to... ?
Topic: QT OpenGL frame capture error
Replies: 6
Views: 8386

Re: QT OpenGL frame capture error

Upon further investigation, I found that the black floor was caused by having lights that are too high above the floor/too bright. Why would this be the case ?
by jharwell
Tue Feb 02, 2021 5:05 pm
Forum: How to... ?
Topic: Error running basic examples
Replies: 6
Views: 8159

Re: Error running basic examples

Do you have Qt installed ? It looks like libQt5Core.so is missing. What does "ldd /path/to/argos3/lib/libargos3plugin_simulator_epuck.so" show ?
by jharwell
Tue Feb 02, 2021 4:22 am
Forum: How to... ?
Topic: Error running basic examples
Replies: 6
Views: 8159

Re: Error running basic examples

Did you install ARGoS from source or from a package ? It looks like ARGOS can't find all its libraries. Does the <install prefix>/lib/argos3 contain the epuck library ?

- John
by jharwell
Mon Feb 01, 2021 10:53 pm
Forum: Bugs
Topic: Possible bug/undocumented quirk in AddEntity() with multiple physics engines
Replies: 6
Views: 36548

Re: Possible bug/undocumented quirk in AddEntity() with multiple physics engines

Have you made any headway on this issue ?

- John

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