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from visual import *
from random import random, randrange
## this is mostly for experimenting with zooming and rotating
print """
Right button drag to rotate "camera" to view scene.
On a one-button mouse, right is Command + mouse.
Middle button to drag up or down to zoom in or out.
On a two-button mouse, middle is left + right.
On a one-button mouse, middle is Option + mouse.
"""
def random_box ():
xx = randrange (-55,54)
yy = randrange (-55,54)
zz = randrange (-55,54)
x = randrange (1,11)
y = randrange (1,11)
z = randrange (1,11)
red = random()
green = random()
blue = random()
box (pos = vector(xx,yy,zz), length=x, height=y, width=z,
color=(red,green,blue))
def wirecube (s):
c=curve (color=color.white, radius=1)
pts = [(-s, -s, -s),(-s, -s, s), (-s, s, s),
(-s, s, -s), (-s, -s, -s), (s, -s, -s),
(s, s, -s), (-s, s, -s), (s, s, -s),
(s, s, s), (-s, s, s), (s, s, s),
(s, -s, s), (-s, -s, s), (s, -s, s),(s, -s, -s)]
for pt in pts:
c.append(pos=pt)
scene.title = "Random Boxes"
side=60.
wirecube (side)
i = 0
while i < 100:
random_box()
i = i + 1
arrow(axis = (0,12,0), shaftwidth = 3.5, color=color.red )
ball=sphere(pos=(-side/2.,-side/2.,-side/2.), color=(1,1,0), radius=3)
disk=cylinder(pos=(side/2., side/2., -side/2.), color=(.3,.3,1), axis=(1,1,0),
radius=5)
xx=arange(0,4*pi,pi/10.)
spring=curve(color=(1,.7,.1), radius=0.4)
for y in xx:
spring.append(pos=(20+cos(2*y), y/2.-30, -20+sin(2*y)+30))
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