from visual import *

floor = box(length=4, height=4, width=0.1, color=color.blue)

ball = sphere(pos=(1.0, 0.0, 0.0), color=color.red,radius=0.1)
xaxis=curve(pos=[(-2,0,0.06),(2,0,0.06)],color=color.white)
yaxis=curve(pos=[(0,-2,0.06),(0,2,0.06)],color=color.white)
h = 0.005
x=1.0
v=0.0
w=3.0

while 1:
    rate(100)
    tmpx=x+v*h
    tmpv=v-w*x*h
    x=tmpx
    v=tmpv
    ball.pos = vector(x,v,0.0)