[Visualpython-users] install glitch and some code

[kirby u. <kir...@gm...>]

I installed the latest Visual Python 5 on a Win7 laptop
a couple days ago.  Everything is working great.  I used
the binary.

However, it put Fonttools in a folder under another
Foottools folder I'm pretty sure.  I had to diagnose that
problem manually.  Apologies if the glitch was on my end.

Below is one of the programs I used in my Martian Math
class this summer.  I used it as scaffolding, with students
tweaking it to listen for more colors.

Kirby Urner
Portland, OR


from visual import *

def setscene ( ):
    """set the stage for our little drama"""
    scene2 = display(title='Pipedream 2',
         fullscreen= True, autoscale = True,
         background=color.white)
    return scene2

def pipedream( n ):

    delta_x = 0.1      # move to the right by this little amount
    right_limit = 30   # at this rightmost limit, remove the shape from the
list

    scene = setscene()
    scene.select()

    leftpipe = cylinder(pos = (-35,0,0), axis = (5,0,0), radius = 1.5, color
= color.green)
    rightpipe = cylinder(pos = (35,0,0), axis = (-5,0,0), radius = 1.5,
color = color.green)

    theshapes = [ ]   # a list of all active shapes
    spacer = 5         # counts down to put space between shape creation
events

    thecolor = color.red  # default color

    while True:

        "color picker -- add more options?"
        if scene.kb.keys: # event waiting to be processed?
            s = scene.kb.getkey() # get keyboard info
            if s in ['b' , 'B']:  thecolor = color.blue
            if s in ['r', 'R']:  thecolor = color.red
            if s in ['o', 'O']: thecolor = color.orange

        if len (theshapes ) < n and spacer <= 0:
            theshapes.insert (0, pickone( thecolor ) )
            spacer = 5

        for shape in theshapes:
            if shape.x > right_limit:
                shape.visible = False
                del shape
                theshapes.pop( )  # drop off the list

            else:
                shape.x = shape.x + delta_x  # shift to the right

        spacer = spacer - delta_x
        rate(50)

def pickone( c ):
    return sphere( pos = (-30,0,0), radius = 1, color = c)

if __name__ == '__main__':
    pipedream( 11 )