We are creating simulations where we need a two way channel (both receive and emit) between two bots. So we need to use (most likely) two channels. How does...
Hello David, Only an emitter can change its channel to speak to differents receivers. Receivers have a fixed channel (defined in the Receiver node of the ...
Dear Oliver, I met a problem when I use button ">>" to speed the simulation of Webot on Linux. Every time I run it in ">>" mode, the program will stop at ...
Liu Zheng
g0202255@...
Jan 11, 2003 12:18 pm
238
Dear Kevin, Does this occur with all the controllers provided in Webots or only with the controller you developed ? In the last case, could you send me a copy...
Dear Oliver, Yeah, it only happens when running my program. I enclosed my controller and world files in this email. Please help check them. Thank you very ...
Liu Zheng
g0202255@...
Jan 13, 2003 1:28 pm
240
I have downloaded the evaluation copy of Webots, the one that allows Java controllers and participation in the ALife contest. However, I can't get (what I...
... You are trying to open the alife.wbt file, right ? ... The file controller.jar should not be moved away its original location. It should remain in the...
Hi, I'm writing a controller for a Khepera II in C++ using Metrowerks CodeWarrior, and it compiles and works fine (in simulation under Webots 3.2.10) if I use...
... I believe the error may come from the declaration of khepera_live from the header file (which turns out not to be C++ proof). Could you edit the following...
Hi About the Khepra_step( unit32 ms) in Webots 2.0, is there any valid range for the step size parameter? In my program, if I want to run it for about 384 ms,...
Dear Xiao Peng, Why isn't possible for you to call khepera_step with the 384 paramete ?. Does it fail ? Could you describe what you obtain wrong at run time...
[Olivier Michel] You are trying to open the alife.wbt file, right ? Yes. I did finally get the demo working, following your advice. However, I still can't...
... Try: javac -classpath "../../lib/Controller.jar;." ALife1.java It should work. The provided Makefile will do that for you (if you have GNU make installed)....
Ok here is the error I am running make and get this. My machine is a winxp machine running cygwin to get this compilation. It compiles fine, but I end up with...
... A quick google search with _impure_ptr and _eh_rtime_match gave only a few results... Which version of cygwin are you using ? Did you try to declare...
Webots 3.2.19 A new version of Webots tagged 3.2.19 is available for download from http://www.cyberbotics.com/products/webots/download.html for both Windows...
Hello all, Now I am trying to build a box pushing robot simulation by using the Webots. To endow a collision processing, I have coded Physics node in a robot...
Toshiyuki Kondo
kon@...
Jan 23, 2003 10:01 am
252
Hello, ... I suggest you to compare your files with the example alice_soccer... Best regards, ===== Andres Perez-Uribe Applied Researcher, AIBITS S.A. Senior...
Andres Perez-Uribe
andres_perezuribe@...
Jan 23, 2003 2:04 pm
253
Thank you. I could build a box pushing simulation. In the following, I would like to give the feedback how to solve the problem what I met. First, in the scene...
Toshiyuki Kondo
kon@...
Jan 25, 2003 11:46 am
254
Thank you for this usefull feedback. The box position should be different from the ground position to avoid collision detection preventing movement. I think...
Hello, A new version of Webots tagged 3.2.20 is available for download: http://www.cyberbotics.com/products/webots/download.html This new version fixes a few...
1. No one than God can create life. 2. Human feeling of will to create life is a childish feeling, which is the power in science, for good and for bad. 3....
Hello Sren Nice to see a philosophical thread. I'm guessing that English isn't your first language but we'll do our best... ... In what sense? Either...
Mark
ridleymsj@...
Feb 13, 2003 3:25 pm
259
Please, what is the time (robot_step function) to turn left the robot Koala in 45 degrees using a speed of -20 to left motor and 20 to right motor in Webots...
Hello, We just released the very first beta version of Webots 4. It is currently available for Linux only, but will soon be available for Windows and Mac OS X...
... Frankly I don't know this. However, you can determine it easily either by: 1) trial and error. 2) theory from the axleLength, wheelRadius and speedUnit...
... Michael, In order to draw a robot trajectory, I would recommand you to use a Pen device. To understand how this device works, you should have a look at the...
Hello, A new release of Webots, tagged 3.2.22 is available for download. It correct only few minor issues: * The radius of a Charger is increased by 10% when a...
Dear Dr. Oliver, I have problems when I install Webots to both WinXP and Mandrake8. WindowsXP problem: the version of Webots is 2.0.4. After installation, I ...
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