If you place your contents of the movieclip so that everything is
registered with the top left corner to 0,0 of the clip the following
should work:
var maxMouseY:Number = mask._height;
var maxListY:Number = maxMouseY - list._height;
onEnterFrame = function ():Void {
if ((_ymouse < maxMouseY) && (_ymouse > 0)) {
list._y = maxListY * (mask._ymouse/maxMouseY);
}
};
Basically, I'm getting the mouse coords as a range from 0 to 1
(mask._ymouse/maxMouseY) where the _ymouse is located within the mask
clip. 0 being the top most pixel and 1 being the bottom most.
Once I have that I multiply it by the maximum movement (maxListY) the
list is allowed to move to get the scroll postion. The maximum amount
the list is able to move is 0 for starting position and a negative
number if it's scrolled up. The lowest negative number allowed is
figured by taking the mask height and subtracting the height of the list
(mask._height - list._height).
James O'Reilly — Consultant
Adobe Certified Flash Expert
http://www.jamesor.com
Design • Code • Train
Omar Fouad wrote:
Hey list this is my first problem i am posting here, i hope someone could
halp me!!!
i got a movie clip with inside four Key Frames... in each Key Frame i got a
mask called 'mask' (a rectangle) and a masked MC called 'list'.
than in the first layer of each keyframe (which i reserved it for
actionScript only) i put the following code:
maskY = mask._y;
maskY2 = maskY+mask._height
maskX = mask._x;
maskX2 = maskX + mask._width;
var ratio = Math.round(list._height / mask._height);
onEnterFrame = function () {
if (_ymouse<maskY2 && _ymouse>maskY) {
list._y = (mask._ymouse-(mask._ymouse*2))*ratio+maskY;
}
};
it works. But it seems that the 'list' MC overscrolls as it slides up more
than it should do.
can someone help me please in resolving this ???
Regards...
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