FlipperPieceLoop Actionscript

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RCSfile: FlipperPieceLoop.as,v Revision: 1.4 Date: 2003/03/20 14:13:06

Copyright 2003 Orgdot AS. All Rights Reserved. http://dev.swfit.com
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Loop for each flipper piece.
author      Olaf Havnes
version     Revision: 1.4 Date: 2003/03/20 14:13:06
since       SWFIT1.0

Means a button has been pressed

if (pos != pos_old)
{
if (pos < pos_old)
{

Go there directly

       move_state = STATE_RESTING;
   }
   else
   {

Make sure we never go down without passing the top point.

       move_state = STATE_RISING;
   }
   pos_old = pos;
}

Make sure we go beyond the endpoints of the conveyor belt

if (move_state == STATE_RISING)
{
   p1 = _parent.start_y;
   v += (p1 - p0) * RISE_AC - v * RISE_FR;
   p0 += v;
   _y = p0;

   moving = true;

   if (p0 <= _parent.start_y + 1)
   {
       move_state = STATE_FALLING;
   }
}
else if (move_state == STATE_FALLING)
{
   p1 = _parent.end_y;
   v += (p1 - p0) * FALL_AC - v * FALL_FR;
   p0 += v;
   _y = p0;

   moving = true;

   if (p0 >= _parent.end_y - 1)
   {
       move_state = STATE_RESTING;
   }

}
else
{
   p1 = eval ("../:pos_" add pos);
   v += (p1 - p0) * REST_AC - v * REST_FR;
   p0 += v;

   if (v * v < 0.5)
   {
       moving = false;
   }
   else
   {
       _y = int (p0);
       moving = true;
   }
}

Make the button inactive when we are the current selected clip.

button._visible = _parent.current != which;