import time
poppy.m4.moving_speed=10
for i in range(3000):
    img=poppy.camera.frame
    punane=img[240][320][2]
    roheline=img[240][320][1]
    varv='red'
    if punane>roheline: poppy.m4.goal_position=10*((punane/roheline)-1)
    else: 
         poppy.m4.goal_position=-10*((roheline/punane)-1)
         varv='green'
    for m in poppy.motors:
        m.led=varv
    time.sleep(0.1)