24 Sep
2004
24 Sep
'04
2:17 p.m.
On Fri, 24 Sep 2004, Paul Koning wrote:
sending of ball hitting paddle or wall is done with
contacts in the
mechanism, not with the logic itself. So the relay control has to
Perhaps I read it wrong but the PONGMECHANIK uses logic to determine when
the ball has hit a paddle or wall.
"Element 2: The movements of ball and racquet, as well as the collision
detection take place in a metal chassis under the glass cover. Each moving
game compoent has a mechanical counterpart, which is moved by electric
motors. When these parts collide, contacts are closed and the relays in
the computer switch the direction of rotation of the motors."
--
Sellam Ismail Vintage Computer Festival
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