visualpython-users

[Visualpython-users] 'sphere' object is unindexable

[Mr G. K. <s40...@st...>]

I am trying to get around the problem of sphere object being unindexable.

I need to make spheres appear, positioned according to some list, for
example:

for i in [0,1]:
  sphere(pos=(0,i,0), radius=0.1)
  

Is there any way of making these different spheres behave differently
without using indexing?

For example, I would like to be able to make the lower sphere go red
when it is clicked on, using this fragment of code:

while True:
  if scene.mouse.events:
    m = scene.mouse.getevent()
    if m.pick is ball[0]:
      ball[0].color = color.red

But obviously it won't work because I haven't named it ball[0]. I can't
figure out a way to name the objects based on their position without
using indexing. Is there any way to do this?

Thank you.

[Visualpython-users] 'sphere' object is unindexable

[CL <clc...@gm...>]

You can simply assign the sphere object to a variable and reference it
later. e.g.:

from visual import *

ball=[]
for i in [0,1]:
 s=sphere(pos=(0,i,0), radius=0.1)
 ball.append(s)


while True:
 if scene.mouse.events:
   m = scene.mouse.getevent()
   if m.pick is ball[0]:
     ball[0].color = color.red
   if m.pick is ball[1]:
     ball[1].color = color.blue


> Message: 9
> Date: Fri, 06 Feb 2009 18:37:38 +1000
> From: Mr Gerard Kelly <s40...@st...>
> Subject: [Visualpython-users] 'sphere' object is unindexable
> To: "vis...@li..."
>        <vis...@li...>
> Cc: "tu...@py..." <tu...@py...>
> Message-ID: <d40...@uq...>
> Content-Type: text/plain; charset=us-ascii
>
> I am trying to get around the problem of sphere object being unindexable.
>
> I need to make spheres appear, positioned according to some list, for
> example:
>
> for i in [0,1]:
>  sphere(pos=(0,i,0), radius=0.1)
>
>
> Is there any way of making these different spheres behave differently
> without using indexing?
>
> For example, I would like to be able to make the lower sphere go red
> when it is clicked on, using this fragment of code:
>
> while True:
>  if scene.mouse.events:
>    m = scene.mouse.getevent()
>    if m.pick is ball[0]:
>      ball[0].color = color.red
>
> But obviously it won't work because I haven't named it ball[0]. I can't
> figure out a way to name the objects based on their position without
> using indexing. Is there any way to do this?
>
> Thank you.
>
>
>
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> End of Visualpython-users Digest, Vol 33, Issue 2
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