from visual import *
from force import *

scene.autoscale=0
scene.range=10.0

ball=sphere(radius=0.5)

ball.pos=vector(-8,0,0)
ball.vel=vector(3,3,0)
ball.mass=1.0
dt=0.01
t=0

while(1):
    rate(100)
    t=t+dt
    ball.pos=ball.pos+ball.vel*dt
    ball.vel=ball.vel+1.0/ball.mass*force(ball.pos,ball.vel)*dt