Actionscript 3 :: Movieclip Stops Rotating After It's Box2D Body
Nov 30, 2011
I have made a Car Game using Box2D [in Flash] and I have one remaining bug, which I cannot fix. I added graphics and put them on top of the Box2D body. Everything went as good as expected, but after X rotations the movie clips for the car-wheels, stop spinning. I do something like this wheelSprite.rotation = wheelBody.GetAngle() * 180 / Math.PI. I ran a separate program and I saw that, if you do X.rotation += variable and you increase the variable every frame, after ~30 000 (value of variable) the MovieClip stops rotating, so I reset it to 0 after ~28 000. What do I do? The wheelBody.GetAngle()
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Jan 13, 2012
Is it possible to modify a shape within a body after assigning it, for example I have a box shape for my game hero body, and when I press the down arrow I want my hero to crouch witch means that I need the body shape to be resized.
I've already searched in google but it appears that the topic of modyfing shapes is not so popular. If it's impossible maybe you know a better way of doing this.
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Feb 24, 2011
I'm trying to create spinning shapes floating in space. There is still gravity in the environment, however it should not affect these platform objects because they are static (right?). How can I apply a constant angularVelocity to it though? It doesn't seem to apply when I assign it a value, probably due because it's static.
The simplest example would be a spinning gear, an automated teeter-totter (not influenced by external forces). All I'm trying to make is a spinning rectangle that could interfere with a ball controlled by the user.Do I need to use Joints to pin it in place? How can I specify the details of not being influenced by the dynamic objects?
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Jul 26, 2011
i'm using flash with box2D 2.1a. i'm rotating ball hanging on the string. The path which the rotating ball trace is ellipse. When releasing the rotating ball from the string i want the ball to fly with the obtained direction, velocity and strength. As you can see in the pictures.[URL]..I've tried to do it with setPosition (method of b2Body) and with various joints. But I haven't got the needed results.
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Jun 26, 2006
I have a question regarding creating a master fuction that when called deletes a whole bunch of other functions.To better visualize what I'm explaining below, view this URL: http:[url]... It'll be huge in a browse..r since its just a swf file.
To explain a little further:I downloaded the trial version of the Flash Timer component from FlashLoaded. I needed something that counts down to do a kind of a rotating banner. The best example on the web is ESPN's rotating headline thing halfway down the page. Notice how it switches, yet once something is clicked, it stops rotating? So, with that said, the best and quickest way my novice ActionSript knowledge could muster is to have multiple timers that all count down at different times. Then, once a timer is counted down, it moves the the master movieclip left.Here's the stinker: I can't make it stop rotating once one clicks on a button.I tried something like this:
Code:
function deleteTimers () {
delete.timer1();[code]...
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Jul 9, 2009
I made an interactive rotating globe that shows all the continents (using CS3 and AS3). The globe rotates automatically. When the user mouses over the globe is stops rotating and they can use left/right arrows to rotate it manually to get to a continent. When the mouse rolls over a continent (Australia for instance) it changes color and should be clickable and go to a website but it's not working. It doesn't return any errors. The basic structure of it is this:
[Code]...
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Nov 1, 2010
I have my two MovieClips and I both of them collide and the hitTestPoint works, but I want to make that one MovieClip will not be able to go on if that second MovieClip is in front of it but its can turn so that it to another side so that it can move.
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May 12, 2010
I have a circular diagram with approximately 8 icons around the outter part of the circle. These points are all buttons. When Clicked, I want the diagram and icons to animate round to the top point (360 or 0 degrees). Then, when another icon is clicked they will all move round so that one is at the top.It would be a great bonus to have a slick easing in motion too but not essential - just a 'nice to have'.I have looked over forums and responses and there is quite a bit of info on this but I'm finding it difficult to apply it to this particular project.
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Apr 1, 2010
im using CS3, AS 2.0
how do you rotate the position of one MC to another. for example a triangle, i have one mc that rotates to face the mouse position but i want another mc to rotate towards the player
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Nov 4, 2008
It's not my first time with flash, but it's with AS3. I'm having a problem and i don't get it. I'm working with Flash CS3 PRO.
The thing is that i'm working in AS3 with a movieclip. That movieclip has more nested movieclips within. So I've: + bicycle_01 ++ body_low
body_low is animated in bicycle_01. I've created a class that will manage my characters. (This is for a cyclist ranking). So within my main file I create the cyclist. I haven't even started and i found the first problem, i'm trying to change the width of body_low but it freezes. After i change the width of body_low, bicycle_01 stops playing.
Here is my problem: _cyclist.getChildByName( "body_low" ).width = 10;
If I add this line body_low width changes, but the animation stops. (right movieclip in this example)
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Apr 16, 2010
I'm trying to rotate a movieClip from it's original position, to a random anglehere's what I have:
function getRandomNumber(min:Number, max:Number):uint{ var randomNumber:Number=Math.round(Math.random()*(max-min)+min); return randomNumber;}
particles.rotate(angle:getRandomNumber(0,180));
[code]........
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Sep 22, 2009
I have an all flash website I am finishing. On the "index" page of it, there are 7 buttons all pointing to different painting galleries on another page (or another MC in this case).
These 7 buttons happen to be movieclips so that I can have animation on rollover and rollout. A sample of the current AS2 code for them is below:
on (rollOver) {
gotoAndPlay("s1");
}
[Code]....
In this case, on the index page there is a movieclip with successful animation on rollover/rollout. I assign this clip the instance name of "gallery0" and when clicked, goes to a separate page showing the first gallery.
My problem is this, whenever I do assigned the instance name to any of the 7 movieclips, the animation no longer works. It simply sits there in the default state and acts as it should as far as navigation goes.
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Dec 2, 2009
I have a MovieClip that consists of multiple layers, one of those layers is an animated background Shape. let's call this MyMovieClip with the background shape have the instance name "mcBackground";
I'm adding the MovieClip to the stage from ActionScript by:
var myMovieClip = new MyMovieClip();
addChild(myMovieClip);
This works fine and when the movie clip is added to the stage it plays as expected (background is moving).
The problem is when I try to apply a colorTransform to the background shape, it stops from moving. what I'm doing is this inside the MyMovieClip class:
[Code]...
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May 3, 2010
There is a mouseUpEvent listener attached to the stage in the main class, while dragging the movieClip the mouseUpEvent doesnot trigger the handler and the movieClip gets sticks to the mouse. While the item is being dragged and the mouse is moved away from the movieClip i.e somewhere not on the item but on the stage the mouseUp is detected.
Edit: Here is the scenario I am using a static (Singleton) class as a movieClip as a "DragManager".Whenever a movieClip has to be dragged it is passed to the DragManager and is added as a child,when a mouseUp from stage is detected another static function of dragManager is called to stop the drag and put the movieClip on the appropriate layer.Here is the static function in the DragManager which is called on MouseDown from variouslayers.
public static function startDragMethod(item:Item):void
{
instance.addChild(item); //This is the instance of the DragManager
var boundArea:Rectangle = new Rectangle(0,0,610,760);[code]...
my goal is to implement drag drop between various layers and with as less coupling as possible.
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Dec 16, 2011
I am embedding SWFs into Articulate Presenter for final publishing. Some of the SWFs have child movieclips with animations. How do I stop the child movieclip playhead when the parent timeline is paused from the Articulate controls? I'm thinking there must be an event listener for when the parent timeline stops, which could trigger the child movieclip to stop.
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Sep 9, 2007
I have a movieclip that has selectable text / scroll bar / other buttons etc - What I would like is to have an onRollOver / RollOut event to call a function on the entire movieclip, however when I do this - The entire movieclip is treated as a button and I cannot select the text nor click the scroll bar / other movieclip buttons within this movieclip. Is there a way to set the onrollover / rollout to execute a function without having the movieclip itself turn into a button / stop functioning?
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May 4, 2010
There is a mouseUpEvent listener attached to the stage in the main class, while dragging the movieClip the mouseUpEvent doesnot trigger the handler and the movieClip gets sticks to the mouse. While the item is being dragged and the mouse is moved away from the movieClip i.e somewhere not on the item but on the stage the mouseUp is detected.
Edit: Here is the scenario I am using a static (Singleton) class as a movieClip as a "DragManager".Whenever a movieClip has to be dragged it is passed to the DragManager and is added as a child, when a mouseUp from stage is detected another static function of dragManager is called to stop the drag and put the movieClip on the appropriate layer. Here is the static function in the DragManager which is called on MouseDown from variouslayers.
[Code]...
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Mar 30, 2009
I have been trying to convert this effect into AS3 but have been having majour issues : rotate clip
I have an object (class) with a handle, when dragged I would like the clip to rotate with the mouse (much like rotating an object in photoshop). I have put my code into an ENTER_FRAME event, and have been using a matrix object to do my rotation (is there an easier way?)
Code:
private function rotateClip(e:Event)
{
myMatrix.rotate((Math.floor(180*Math.atan2(mouseX,mouseY)/Math.PI)+90));
[Code].....
was my attempt at converting the code from the example link. I've also tried various other methods using trig to no avail.
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Dec 8, 2010
how can I make the green movieclip rotate in the point that the claw has catch it. To give an impression of physics. Here´s the image, to give you an idea:
The point (x,y) that the claw catches the colored movieclips below is not unique it can be any number. As long as the claw catches the colored movieclip.
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Jan 7, 2011
How do I make an mc constantly rotate? I know this must be simple but i dont know how to do it. I just want it to rotate around its middle. How would i do this?
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Jan 23, 2007
I've created some code that rotates an arrow up or down when the user clicks on it, depending on whether the timeline is on frame 1 or 5. The problem I am encountering is that rather than rotating visually, it just flips to the correct degree (in this case, 0 or 180).
Code:
function turndown():Void{
for(i=0; i<16; i++){
this.upDownMC._rotation += 11.25;
}} function turnup():Void{
[Code] ......
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Apr 21, 2007
How can I rotate a movieclip so that when I move it, it will rotate slightly depending on the angle of the ground. The only thing I can relate this too is the old school sonic games. How would I find the curve of the ground and apply it the moving character?
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Dec 9, 2010
I'd like to know how could I make the green movieclip rotate right and left until it stops?
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Nov 4, 2010
a movieClip that contains a polygon and some circles at the angles of the polygon. I want to use the circles as rotation handles.Now the code below works but it terribly, terribly slow.I've seen a couple of other examples of rotation using the mouse position, but I want the polygon to rotate via the handle; I think that means the angle of rotation needs to be updated each time the mouse moves.Is there a cleaner/more efficient way to do this?Also, this works only for one direction right now no matter the x/y direction you move the mouse.
public function mouseDownRotate(event:MouseEvent):void {
// get the global x and y of the dragged piece (offset so it looks like it's rotating around the polygon's center
[code]......
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Jul 20, 2010
I have a movieclip that I am using greensocks transformManager with so the user can rotate, skew, and scale the clip. This works fine, but I am trying to add a crop tool. If the image is rotated, when I send the image to the crop tool it measures the height of the image by the bounds of the rotated image, not the actual height of the image if it were square (re: not rotated).
So, what I tried to do what, after sending it to the crop tool, rotate it back to 0 before getting the bounds using this code:
[Code]....
I don't understand the math here. Shouldn't it just rotate 3rads in the positive direction to equal it out? How would I return it to 0;
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Feb 14, 2012
I have a MovieClip, that is representing a character in my game. Id like to "create bullets" shooting out from the tip of my characters gun. Problem is that when my character turns around, also the point rotates around the MovieClips pivot.
Is it possible to anyhow easily track this point, so that I could dynamically create new objects at the same location.
I tried to add a new MC as a child to my character, with the initial position at the guntip. In some systems child-objects "follow" their parents around, but it didnt seem to work here.
Is there any other "native" way of doing this, or do I just have to have a Polar-coordinates representation of the point relative to character-MovieClips origin, and add the MC rotation to theta, so that I can calculate the X and Y coordinates?
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Feb 15, 2007
I am working on a snowboarding game, And have two points of collision detection on the board:
x-----xOne at the Front of the riders boardOne at the Back of the riders boardThese two points of collision are placed within the rider.movieClip, and not on the _root timeline, as the rider movieclip can rotate etc as it rides through different gradients of slopes. I have used a largely basic method to obtain the X,Y positions of each collision point, using the following method:
Code:
var backX:Number = _root.rider._x+_root.rider.backDetection._x;
var backY:Number = _root.rider._y+_root.rider.backDetection._y;
(The same for the frontX and frontY) As you can see, it simply adds the offset of the detection points positions from the riders x, y therefore when the rider movieclip is rotated during gameplay, the rotation is not accounted for and it still searches for collision in exactly the same positions.
I am using this for collision checking:
Code:
this.hitTest(backX, backY, true)
Which is placed on the ground movieclip (what the snowboarder is riding on). Any better way of doing such collision checking, or how to account for rotation? is localToGlobal() the answer?
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Jul 4, 2007
I am trying to make a line point to wherever the cursor is when I stumbled upon the Math.atan2(); function. It appeared that i would put
line.rotation = Math.atan2(1,1);
to get 45 degrees or pi/4, but I was wrong. It barely moved the movieclip at all. So what I'm trying to do is to get this movie clip to rotate along with the mouse so the line is always pointing at the cursor. Also, how would you get movieclip to move along the line created by the line of these two points?
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Feb 12, 2005
Any way to rotate a movieclip to face the mouse location?
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Oct 25, 2009
I want to make a drag and drop movie clip with rotating control in 360 degrees.I made a movie clip with 30 frames with a button in centre which can rotate the object in 360 degrees.At this stage it is functioning.when i tried to add the drag and drop action to the movie,the button for rotation is not working.
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