from __future__ import division

import visual

import math
r = 5

a = visual.sphere(pos=[r,0,0],color=visual.color.red)
b = visual.sphere(pos=[-r,0,0],color=visual.color.blue)
c = visual.sphere(pos=[0,0,0],color=visual.color.green)
d = visual.sphere(pos=[0,r,0],color=visual.color.blue)
e = visual.sphere(pos=[0,-r,0],color=visual.color.blue)


steps = 100

print "Press the right mouse button and drag to change view"

for i in range(steps*10):
    c.pos = ( 0.8*r*math.cos(i/steps*2*math.pi),
	      0.2*r*math.sin(i/steps*2*math.pi),
	      0.0)
    visual.rate(24)