Actionscript 3 :: Redrawing Line On Mouse Move Performance
Feb 19, 2012
I'm refreshing my AS3 basic knowledge. Now I'm playing with creating movieclips with dimensions specified by mouse distance.[code]However I have feeling that redrawing whole line on mouse move might be resource expensive. How can I lighten it up a bit?
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Feb 4, 2011
I'm wondering how I would go about making a Mouse Trace, on a line that's preset but my choosing to let people enter into my Flash and/or progress throughout it. Basically, I have a picture of say, the number 5, I want to be able to have people use the mouse cursor to trace the 5 from one end to the next, and once completed the sites move forward. Though, I will be using my company logo which is a bit more advanced than a single number or letter form. If no one is sure what I'm talking about I've added a picture to demonstrate what I'm trying to do. Another idea I have if this one can't be accomplished, is a slide bar.Basically, it would look like a timeline control in say, VLC, and I would have the user drag a button from one side to the next to unlock and move forward. Though that may seem a bit more simple that my main idea, I would also like to be able to get really advanced with this second function and make a series of slide bars, say, 3, and they have to be slid in a certain manner, like slide bar 1,3,2 then it unlocks and moves forward.
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Aug 7, 2007
What do I do to make this rotate the line_mc move clip in a counterclockwise rotation when I scroll the mouse wheel up instead of down. Currently it rotates the movie clip in a clockwise fashion regardless of which way I scrool the mouse wheel.
[Code]...
ps. is there anyway to get this thing to ease when it rotates... instead of the jerky rotation it does now.
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Dec 24, 2009
I have a movie clip with motion in it. I'd like to duplicate this image, blur it, and mask it. I think I can do all of that, but I don't know how to update the blur so it will blur the moving elements in my movie clip. Can anyone explain how to constantly take a snapshot of a movieclip and blur it (while disposing of old snapshots)?
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Jun 27, 2006
how to do an object move towards the mouse when i move the mouse the towards the object and backwards when i move the move away, something liike the menu on [URL]
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Nov 16, 2005
i want to duplicate a line 4 times, and move each line on Yaxis, with a delay of 1sec each time. I know i must use setinterval+duplicateMovieClip, but i've got pbs :-( actually, i've got my AS code on my line :
[Code]...
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Jun 24, 2009
draw a line on mouse movement, not the static line.
I am attaching a sample which is 90 degree bounded as it has been given in animation, I want to make this or such type through mouse movement.
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Nov 18, 2009
It has been awhile since I have worked in flash.Right now I am working on something where I would like a panel to disappear when someone mouses off the stage.stage.addEventListener(Event.MOUSE_LEAVE, leaveHandler); It usually works fine but if I move my mouse really fast it doesn't fire. I have also tried the same thing using a custom invisible button that surounds the perimeter of the stage and I have tried ROLL_OVER and MOUSE_OVERand again, if I do it too fast my event doesn't fire (I am using trace)I can't find anything on the net about this - is this typical of flash that if you move your mouse too fast you break it? Do I need to increase my frame rate (I would really rather not because I have perfectly timed animations - I am at 30 frames per second)
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Dec 27, 2011
when the mouse rolls over an image, text appears (in a small rectangle) and it moves with the mouse, only while it is still over the image.
Or at least, does anyone know what this is called or how to do it?
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Mar 13, 2012
As of Flash 10.2, Flash supports hardware accelerated mouse cursors:[URL]..Unfortunately, the mouse cursor doesn't update until AFTER the mouse moves. You can see this behavior on the web page above. If you click "Set to custom cursor" in the sample app at the bottom of the article, you'll see that the cursor doesn't change until you move the mouse.
Anyone have a trick for updating the mouse cursor immediately, before the user moves the mouse? I tried doing Mouse.hide(); Mouse.show(); but that doesn't work.
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Jan 12, 2011
I am creating mouse scroller and when I insert actionscript my images wont move depending on the mouse movements..I am using Flash cs5 and Actionscript 2.0...this is my actionscript:
[Code]...
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Oct 11, 2011
I am trying to have two guestures on a SpriteVisualElement which I thought should be pretty simple implemented: Mouse_Move for sweep Gestures and mouse click to enable.. So I have 2 Eventlisteners on my stage:
[Code]...
The main problem is that every type of sweeping on the screen also fires the taphandler().. how to identify the correct event? I tried to to my taphandler only if(!event.buttondown) but no success.
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Mar 17, 2005
I started another thread where i had gotten help and combined the snow tutorial and the programatic mask tutorial to create particles that reveal an in-focus image over a blurred one. I just need help making the particles swarm around the mouse when it is present and have the particles just float around when not. Presently the random motion is just fine and looks like this (i just inverted the this._x and this._y so that they would go with the mouse direction not away from):
[Code]...
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Sep 1, 2011
I'm wondering how is this task done that listen to mouse move event when user cursor is out of stage?
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May 13, 2010
i am using this on Mc
onClipEvent(enterFrame){
diffx = _root._xmouse - this._x ;
diffy = _root._ymouse - this._y ;
[code]....
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Sep 21, 2002
How can you restrict the mouse so that users cannot move their mouse into a certain area, (or a certain y or x value)? This is useful to me because I need it for a game.
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Jan 30, 2009
I've managed to follow some drawing tutorias which work fine (mouse down draws a line everywhere you move mouse like MS paint).I would like to adapt this now if I can so that when a user clicks down, a straight line will follow their mouse until they click again and this releases the straight line. This should leave one line on the screen, then they are free to move their mouse and repeat the action again.
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Sep 12, 2011
this is what i'm trying to accomplish; With a click on a movieclip (cannon_mc)a shot is being fired (ball_mc)
The longer mouse is down, the speed of wich the ball is fired with should increase.My question to you is;
What is the most efficient way to accomplish this? With a timer or something like this;
[Code]...
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Jan 11, 2011
I'm devloping some library classes for flocking/steering behaviours on large numbers of objects (2000+). I'm finding that at < 500 instances, performance is reasonable. As the numbers increase, framerate bogs down.
I've seen remarkable performance with libraries such as Flint or Box2D with ridiculous #'s of particles / objects, so it should be possible to optimize / refactor my code to be a bit better.
I'm aware of the basic optimizations, such as bitwise operations and optimized for loops. Are there any more fundamental approaches I should be considering? For example, currently each instance is a vector-based MovieClip. Would working with BitmapData be more efficient?
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Nov 4, 2011
Will I take a big hit in performance using nested ViewStacks? Should I strive to handle all navigation in one ViewStack and push children manually or will the affected performance be negligible?
eg.
<viewstack>
<tabnavigator />
<tabnavigator />
<tabnavigator />
</viewstack>
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Mar 19, 2012
We have a medium size Flex 3.6 application that contains around 20 different page views (managed via a single lazy ViewStack) each having multiple components. Most use custom renderers.All model data is loaded at startup and changes to model instances are communicated via binding and/or collection change events.Once the user has viewed each page at least once, all page views are instantiated and happily listen to update events.Which in effect means that each time a model instance changes, all interested views receive that event and compute derived data or trigger item-renderers.I have tested and confirmed this behaviour in a proof-of-concept application. Even when setting a list to being invisible, it still listens to collection change events and invalidates any renderer affected.What would you do?
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May 1, 2011
I created a character that can move left or right according to keys pressed by the user. (simple enough)But the most I could do is make it move along a straight line, (change X value)or along inclined lines by defining them as linear functions. (not very effective i guess)My question is, is there a way for me to draw a line and have my character walk across it?Is there something that would allow me to get the Y value of a curved line I drew based on its X value?Obviously this wouldn't be a problem if I could just draw a line from a mathematical equation, but my searches proved that to be rather complicated.
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Aug 24, 2009
Still getting used to the subtle changes in FL CS4...how can I select all the keyframes within one or two lines in order to move (drag) them further down the timeline? In previous versions, you simply click on the first frame, then hold down shift and click on the last frame, and it would grab everything in between. Seems like in CS4, the new tween "hi-lighted" frames do not want to be included, so I am unable to move the entire line, as a group.
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Jul 1, 2009
I want to move arrow image in textarea on mouse click and key up and down like text editors
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May 27, 2003
I'm trying to make a simple for loop that makes a line move. But it won't work, and when i search for "for loop" it gives me all these dynamic things that are WAY over my head.[code]The way i see it, the i should increase by 1 each time the loop is run, and then the line will move up by 1 until it is at x = 0 (it starts at x = -77). But when i preview it in flash and html, nothing happens at all.
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Jun 25, 2005
How can I make a Movie Clip move dynamically following a path given by a line?? Like.... the user can draw a line and the movlieclip moves following it ? how ?
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Jan 27, 2009
I have a panning background with buttons in it. It would be nice if when the button is pressed i could move the position of the mouse so that the movie pans and catches up with the new position. Is this possible?
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Jun 24, 2011
In my latest project I'm trying to have a line follow my mouse, I succeeded doing this with the LineTo and MoveTo functions this is what i have come up with [URL]if you will play with it for a while you will notice that sometimes the line is burned on the screen and just stays there,Another thing i want to achieve is that the line will be created out of a movie clip and will have animations and graphics in it insted of just plain color.
btw heres my code
package
{
import flash.display.*;
import flash.utils.*;
[code]....
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Jul 27, 2009
Here is what I've done so far: [URL] Basically my goal is to have this bottom image move horizontally according to the mouse. However it would be nice to have this image move slower and only go out of the stage by about 50px both ways (left and right). Here is the code I've used:
[Code]...
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Nov 10, 2009
Can You with a code move the point where the mouse is placed?
Example. If you have a row of buttons on a frame and when you click one of the buttons you don want the mouse to be on that very same spot because on the next frame are the buttons on the same place. You want the mousearrow to be placed on the top of the frame.
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