A free, open-source module for producing real-time 3D scenes with Python.
VPython makes it unusually easy to write programs that generate navigable real-time 3D animations. It is based on the Python programming language.
Questions tagged [vpython]
345 questions
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votes
2 answers
Why I can't make this 2 N-body system orbit without shifting (Center of mass portion code not working?)
I am trying to make this 2 n body diagram to work in vpython, it seems that is working but something is wrong with my center or mass, or something, i don't really know. The 2 n body system is shifting and is not staying still.
from visual…
user665997
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2 answers
I'm trying to time how long a key is held down using vPython
I'm writing a program for my physics final. Throughout the semester we have used vPython to model situations and get exact answers, etc. Our final project is to create a game using vPython that includes some type of physics.
I chose to remake…
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votes
1 answer
cx_freeze and VPython giving a syntax error
I'm trying to compress my VPython code to a .exe, but it comes up with a syntax error:
this is the only screenshot I have of it right now, I'm away from my home pc.
I know that the setup.py file works because I did it with a program that doesn't…
Jacobsayshi
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1 answer
multiple curves on single vPython plot
I would like to put two curves on one vPython plot. Is this possible?
I am opening the curve with:
gd = gdisplay(x=300, y=0, width=600, height=600,
title='Entropy', xtitle='time', ytitle='N',
foreground=color.black, background=color.red,
…
user2662485
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1 answer
[Python]obj.rotate on a specific object
This is my little Python programm Using Vpython
I want to rotate a box.
I want to use the boxes axis and not the one of the scene.
so for example if its rotated to the right and then i want to get the "nose" down, i want to do this in the view of…
vossmalte
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How to display a score in Vpython?
My Code
from visual import *
class Punktecounter():
def __init__(self,position=(0,0), score=0):
self.counter = label(pos=position, color=color.red, text=str(score))
self.score = score
def scoring(self):
self.score =…
vossmalte
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0
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1 answer
setting python command line position
I am wondering if there is a way to set the position of where the command line opens. I am using python 2.7 with VPython for my A-Level computing project. It currently opens behind the two VPython windows, but I would prefer it to open underneath so…
rj93
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1 answer
Export VPyhon's image as JPEG form
I'm using VPython to create some static(non-animation) 3D geometry, like an array of
cylinders, or torus. I would like to save them as .jpeg form or .png form so that I
can put into my PPT for demonstration. Is it possible to do this? Or should I…
spherical chicken
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1 answer
vpython GdkGLExt-WARNING in Fedora 17
I have Python 2.7.3 installed in Fedora 17. I installed vpython and I run the following python script
from visual import *
a = sphere(color = color.red)
I get a brief vpython window outline but no image, and the following error output…
user1535776
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1 answer
Slider won't change value in VPython
My slider won't change the value of the parameter I give it. The slider moves, but the value doesn't change. Of import here is 'temperature' which I need to vary with slider 2.
Also, winsound won't play anything and my sliders aren't labeled. What…
user1896636
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0
votes
1 answer
Rotation an object around his center using vpython
I'm making a moonlander game using VPython.
The moonlander itself must be able to rotate around his own center, but he rotates around the wrong axis and/or around his original position instead. The axis and position where it has to rotate around…
Arno Moonens
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1 answer
Vpython 3D Box+Text combination
I am new to Python/Vpython and would appreciate some guidance. What is the best means to create a vpython box (or 3D rectangle, etc..) with a unique text string on each face of the box such that when the box rotates, the text will rotate as well.
A…
user1521026
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-1
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1 answer
Obtain the rotation vector/axis of canvas in vpython
Is it possible and if so to get the rotation vector/axis of the canvas?
I would like to implement dragging in 3D
kwicher
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-1
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1 answer
How to capture an output image generated by the box function of python visual module?
I am using the box() function provided by the visual module of Python. I want to capture the output image rendered by the display() function as a .png file. I am using scene.capture('test4312'). But getting an error "AttributeError: 'display' object…
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1 answer
How can I use one program for graphics and one program for processing?
What I'm doing is creating a model of a football field, which has a lot of code simply because there are a lot of parts to a football field. This code is more than 300 lines long. This is quite annoying to scroll through, and I don't want to put it…
Aditya Singh
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