ActionScript 3.0 :: Constrain StartDrag Movement To Mask?
Dec 7, 2010
I have a small movieclip where an external image gets loaded into a custom shape mask. The user can then drag the image around. This is all working fine.
I am now trying to constrain the movement allowed so that the image cannot ever leave the masked area.
On my startDrag() function i have tried to include the following properties but i cannot get this to work:
(false,new Rectangle(-xpos,ypos,stage.stageWidth,0));
Code:
// Imports.
import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;
[Code]....
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Dec 1, 2007
So I have a Sprite and if using startDrag(), how do I constrain the movement to x-axis only? that is, move it horizontally? The free x,y movement code sample is here, directly from Adobe's livedocs: [URL]
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Oct 19, 2009
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Jan 24, 2006
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Jul 19, 2009
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Dec 6, 2009
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Aug 10, 2011
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[Code]...
Is there a way to use the startDrag function on a movieclip on movement?
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Nov 23, 2010
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Jun 25, 2010
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as you can see, I have a container MC which I have added to the stage. I set its drag constraints using a Rectangle(). I then add the 'cat' child movieclip to the container, and I want this to be dragable too. However, as soon as I click on my cat when testing the MC. It shoots to point x=0 y=0 on the stage and doesn't move.
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[Code]....
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[Code]...
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Code:
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Jul 30, 2009
I have some script that loads an external image into the UILoader that also has a mask created based on loaded image width and height, which also centers on stage. That works great. On user click somewhere within the loaded image, the image then scales from that mouse position out.
i.e.: if I click top left corner image scales from that point out, center, left, right... etc. using the tween. That works great.
On mouse move image then pans reverse to mouse position. i.e.: I move mouse left image pans right, move mouse up image pans down, top left corner image pans down bot right...etc. Also using tween. This is where it becomes tricky. The image does pan, however it does not pan completely to left, right, up, down, diagonally and so forth. once mouse reaches boarder of mask the image pan stops, unless mouse is way outside boarder.
Then that creates another problem where the image now pans so much that it goes past the boarder and almost out of sight. Ideally when mouse moves to masked boarder, panned image should be at its image boarder then stop. Constrained within the masked boarders.
Code:
var myImagePanTween;
function moveImageTween(e:TweenEvent = null):void {
var CurrentMouseX=mouseX;
var CurrentMouseY=mouseY;
[Code] .....
I think there should be away to include a constraint within the Tween, as well calculate the image size so that when mouse reaches boarder the image should be panned to its width/height, up, down, corners ect.. within the mask. Make sense?
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Sep 28, 2005
does anyone have an equation for resizing mc and constraining the prooprtions also.. through AS
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Oct 4, 2005
I'm doing a tutorial on using the startDrag function but have no idea how to get the coordinates for my rectangle.How do you find the 4 points? I've tried using my mouse to pinpoint the location but that doesn't work.Here is the generic code:myMovieClip.startDrag(false, left, right, top, bottom);
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what i am doing is to make something along the lines of the "scriptable mask" tutorial Inigo was kind enough to put up.My idea is to have a large mask behind the whole of my flash site, this masks a colour image with a black & white one (nothing tricky). The image I am using is actually 5 separate images combined, and each is a pic of certain parts of the site.I also have a very basic set of buttons along the bottom... each corresponding to each section.
All I want is to set it up so that when I mouse over the buttons, the _x of the mask moves to correspond with the correct image... really very basic... or so I thought .If anything it should be easier to do than what is in Inigo's tut (where he uses the _x of the mouse to move the mask)... i just cant seem to get it to work with a nice easing effect (its easy to get the mask to simply snap to each coordinate, but I need it to smoothly move).
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Feb 12, 2003
I have a mc (fStrip) which looks like a piece of filmstrip with thumbnail images in it. I want this mc to move when the users mouse is positioned over it, but I only want it to move only along it's x-axis and in a direction opposite that of the mouse. And I want it to move or flow smoothly.
I've been trying to figure this out (see my lame attempt below) but without much luck.
onClipEvent (mouseMove) {
buffer=20 //movement buffer
mousePos=_root.fStrip._xmouse //store mouse position
if (mymouse!=_root.fStrip._xmouse){ //if the mouse has moved
[Code].....
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Jun 22, 2004
I wish to get the effect of ants scuttering across the screen or up a tree, I have not decided which direction yet. I started with the tutorial code for the snow effect from kirupa, and changed it around to fit the little vector ant I created. The way I have it now looks pretty good, but the movement is a little too fluid. They obviously move in sinusoidal paths bc the code tells them to. I have about 20 copies of the main obj, and they're all a little different in size and specs (speed, transparency, etc) but what I was wondering was if there is any way I can change the code to make it a little more hectic, or erratic, not so fluid. If there is no way of doing so, it looks pretty good right now. If there is, however, I think it could look awesome. here's the code I'm using for the object.
onClipEvent (load) {
//stage
movieWidth = 850;
movieHeight = 50;
[code]....
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