Re: [pygame] Why does my ball vibrate?

[Matt Smith]

Douglas Bagnall wrote:
    FLOOR = 384
    if ypos >= FLOOR and velocity > 0:
        overstep = ypos - FLOOR
        ypos = FLOOR - overstep * bounce
        velocity = -velocity * bounce

I tried using this code and I go back to the situation where the ball continues 
to bounce when it should have come to rest. I would imagine this is because each 
time the ball passes below the floor we are giving it a little bit of upwards 
velocity.