ActionScript 2.0 :: Using The Robert Penner Tweening Equations?

Feb 17, 2005

use Robert Penner's tweening methods? I have all the files. I understand that at the top of the actions you do include# tween.as or something like that (I just had to reformat my powerbook and haven't loaded the files back on yet to look at exactly what that line of code is).

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ActionScript 2.0 :: Using The Robert Penner Tweening Equations

Feb 17, 2005

way to use Robert Penner's tweening methods? I have all the files. I understand that at the top of the actions you do include# tween.as or something like that (I just had to reformat my powerbook and haven't loaded the files back on yet to look at exactly what that line of code is).

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ActionScript 2.0 :: Robert Penner Easing Equations - How To Use Them

Nov 18, 2004

I am just wandering how do i use the equations I downloaded from robertpenner.com. when ever i try even working out of the book i get error messages like **Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 350: There is no method with the name 'easeOutBounce'. return(Math.easeOutBounce(t * 2 - d, 0, c, d) * 0.500000 + c * 0.500000 + b); Why does it say there is no method with the name bounceEaseOut Can someone tell me who i can use these in my flash movies. I tried everything out of his book and i still get it wrong.

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ActionScript 2.0 :: Robert Penner Easing Equations?

May 19, 2003

But looking at the function below, how would I apply it to an MC to move its position.

// simple linear tweening - no easing
// t: current time, b: beginning value, c: change in value, d: duration
Math.linearTween = function (t, b, c, d) {

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ActionScript 2.0 :: Easing Equations For Dynamic Tweening?

Sep 6, 2001

Virtually the only dynamic ease-tweening you ever see in Actionscript is the ubiquitous "exponential ease-out." You know, the Zeno's paradox, go halfway every time, Barney's menu method:

distance = finalX - _x;
_x += distance / 2;

It's wonderfully simple and easy to code, but it lacks flexibility. You can choose your destination, but you can't specify, "I want to get there in 40 frames." Also, easing *in* with the same method is not so easy. There are many mathematical approaches to calculating an eased tween. I've derived some easing equations using three different curves: quadratic, sinusoidal, and exponential (as well as a trivial linear equation). Each of the three curves has its own particular "style" of easing; it's quite fun to compare their aesthetics.

All of the equations allow you to specify the beginning value, the change in the value, the duration of the tween, and the current time. Note that the equations will work for both frame-based and time-based animation. That is, duration and current time can be either frames or seconds/milliseconds.Here are the quadratic easing equations. I'll post the other two sets soon.

Code:

// simple linear tweening - no acceleration
// t: current time, b: beginning value, c: change in value, d: duration
Math.linearTween = function (t, b, c, d) {

[code]....

Right now, the equations are all set at "maximum easing", analogous to an easing setting of 100% in Flash's Frame panel. It is fairly simple to adapt the equations so you can specify an easing percentage. Personally, I almost always use 100% manual easing within Flash.

[URL]

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ActionScript 2.0 :: Reset Vars In Penner's Functions

Jan 6, 2004

i am builiding a photogallery where at each stage i load six thumbnails. Each "placeholder" is initially set to 20% xscale and yscale and when each thumb has fully loaded, i want to have the thumb tween from 20% to 80%. The jpg thumbs are loaded inside the placeholder.when the thumb has fully loaded, goodToGo = 110 and so i want to trigger the AS tween.[code]to get some idea of how it would look, check out URL...and click inside any of the collections.

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Motion Tweening Error : Motion Tweening Will Not Occur On Layers With Ungrouped Shapes .....?

Jul 27, 2009

I'm getting the following error: Motion tweening will not occur on layers with ungrouped shapes or on layers with more than one group or symbol. I don't have any ungrouped shapes (it's all text), each layer has 5 instances of only one symbol (keyframes), no objects are grouped and text is all static text.

When watching the animation, the first word (web) looks fine, on the second word (design) the tween fails on the last couple of frames of that clip (the blur filter disappears), the third word (and) is OK, and on the forth word (development) the blur filter is not applied to the last 16 frames of that clip.I broke each animation into its own MC thinking that was causing the issue, but that didn't fix anything.

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ActionScript 3.0 :: Draw Equations In It?

Jun 18, 2010

I would like do draw a 2nd degree eqation using actionscript. How would i do that? With curveTo?

(Lets say i want the equation y = 3x^2+3x+5 displayed)

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ActionScript 2.0 :: Use Penners Equations?

Feb 2, 2004

I have about 15 movie clips in a movie that i want to scale with ease.Ive tried doing this a number of different ways.all of which have woked but they severely slow down the perfomance of my site.ideally i would like to use penners equations.I want to have a function on the first frame of the main timeline. i.e

PHP Code:

#include "easing_equations.as"[code]..........

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ActionScript 2.0 :: How To Use Easing Equations

Nov 18, 2004

I am just wandering how do I use the equations I downloaded from robertpenner. Whenever I try even working out of the book I get error messages like

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 350: There is no method with the name 'easeOutBounce'.
return(Math.easeOutBounce(t * 2 - d, 0, c, d) * 0.500000 + c * 0.500000 + b);

Why does it say there is no method with the name bounceEaseOut. How I can use these in my flash movies.

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ActionScript 2.0 :: About TweenMax And Easing Equations?

Jul 1, 2008

im a former user of FuseKit, for the time being as i like more the performance of TweenMax over Fusekit, but i got used to the flexibility of Penner Easing Equations, is there a way to use them on TweenMax?

I tried fl.motion.easing.* seems to have all of the penner equations Expo, Sine, etc.So, is there a way to use them with TweenMax?maybe im not writting the syntax correctly i dont know here is my piece of practice code

Code:
import gs.*;
import mx.transitions.easing.*;
import fl.motion.easing.*;
function moveSq() {

[code]...

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Flash - Trig Equations To Create Ellipse

Feb 13, 2011

I am working with this function that moves an object around a center point in a perfect circle and am trying to modify it to move it in an oval shape that is 1/2 as high as it is wide?

Basically, I have a set speed
var myVelocity:Number = 0.25;
Then I calculate my Sine and Cosine based on the speed
var myCos:Number = Math.cos(myVelocity);
var mySin:Number = Math.sin(myVelocity);

Then I figure the distance of the the object from a fixed center points along each axis and
var x1:Number = myBall.x - centerX;
var y1:Number = myBall.y - centerY;
var x2:Number = myCos * x1 - mySin * y1;
var y2:Number = myCos * y1 + mySin * x1;
myBall.x = centerX + x2;
myBall.y = centerY + y2;

I have another function that figures x and y based upon myBall.x = centerX + cos(angle) * radius; that is easy enough to modify the radius to become an ellipse, but is there an easy way to mod the one above to become an ellipse? I want to do this to be more efficient with the code and reduce the number of math function calls

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ActionScript 2.0 :: Incorporate One Of R.Penners Equations Into A Prototype?

Jan 8, 2004

"256 levels of recursion were exceeded in one action list." I've been trying to incorporate one of R.Penners equations into a prototype. it works, but appearantly not 100% scratch scratch

Here's the code. 'tester' is an MC instance

Math.easeInOutExpo = function (t, b, c, d) {
if (t==0) return b;
if (t==d) return b+c;

[Code]...

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ActionScript 1/2 :: Build Many Algebra And Geometry Equations In Flash?

Apr 18, 2006

I have a need to build many Algebra and Geometry equations in Flash. I am looking for some kind of flash plugin that will typeset these equations so that I don't have to build them by hand. For instance, if I had a fraction 1/2 or 134/489 and I was stacking the numerator over the denominator, the fraction line would adjust to the length of the longest number.

I know that the InMath plugin works like this for InDesign, but the formatting breaks in the few file types that are able to be imported into Flash. Is anyone aware of such a plugin made specifically for flash?

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IDE :: Take An Excel Spreadsheet With Its Equations And Place It Into A Flash File

Jan 12, 2009

Wondering if anyone can tell me whether it is possible to take an excel spreadsheet with its equations and all and place it into a Flash file so that it can work within the flash presentation.

Or would the only way to do this be to code the whole thing into flash from the start?

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ActionScript 3.0 :: Generating Subtraction Equations That Only Return Positive Values?

Jan 21, 2010

create a random subtraction equation where the result will always be positive? For example, my current scripting will return something lilke 3-6=-3. I don't want equations like this- only postive answers

//random numbers//1.function randomNumbers(min:Number,max:Number)   var Results:Number=Math.floor(Math.random()*max)+min;  return Results;}
//2.new_mc.addEventListener(MouseEvent.CLICK, showRandomnumber);

[code]....

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ActionScript 2.0 :: Correct Order Of Events (brackets First, Etc) To Reflect The Equations ?

Jan 25, 2005

I have five simple equations that I need help converting to ActionScript. I'm making a small "calculator" that takes input from the user and displays a number representing the result of the equation. They're two sets of equations: 1) three-scenario fee calculator to compare the annual costs (X) of renting versus buying equipment; 2) comparison of two rental plans. The numbers entered need to stay the same - the alphabets represent what the user will input. The equations are as follows:
Scenario 1:

X = ([A � F] / G) + H + I + J + (K x 12) + ([L / N] x M)
Scenario 2:
X = ([B � F] / G) + ([E x C] / G) + H + I + J + (K x 12) + ([L / N] x M)[code]....

I've looked at my resources at hand, but my brain just shuts down when I see numbers and letters representing numbers. I do speak three languages fluently, so I (think) I make up for it.how to properly assign the correct order of events (brackets first, etc) in ActionScript to reflect the equations above.

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ActionScript 3.0 :: Program To Gaph Quadratic / Exponential Equations Uisng Flash?

Apr 16, 2011

Possible to program to gaph quadratic or exponential equations uisng flash.

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Flash :: Math Equations For Random Snow In A Snow Globe?

Oct 24, 2010

I've been experimenting with this and I haven't been able to come up with an adequate solution. Hoping one of you Mathletes can point me in the right direction. I'm building a Snow Globe in ActionScript 3 and I need to come up with a set of equations to control two level of snowflakes - one level random, and the other interactive where a user can click on them.For the random snow, I need to have it create certain number of random x/y positions at the bottom of the globe, which is a circle with a radius of around 300. Then when the shake action occurs, They should randomly float toward the top, then fall back to a random position at the bottom of the circle again.

For the interactive snow, I need it to randomly layout, but I don't want flakes to overlap so that its easier to interact with them.

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Actionscript 3 :: Library For Interactive Path Drawing (or Any Other Library For The Equations)

Oct 31, 2011

I am making a flash app where I want to have a user defined viewport like the stage in the flash IDE which the user can use to define objects that have a starting postition somerwhere off or on the stage and an ending position either or on or off the stage with the object then tweening between the two points. My question is this: I want the user to be able to define a curved path for the object to tween along. Is there a library of code that I can use to define curved paths for the app?

Ideally I would like something similar to the functionality available in Flash, so a bezier curve sort of path that is subdivided into handles that can be dragged to define the path of the tween. If there isn't an existing library, then do you know of the functions that I would need to define (mathematical equations related to drawing curves etc)?

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ActionScript 2.0 :: Friction Equations - Tweaking The Friction Constasnt?

Nov 10, 2007

I have a billiard ball system, whic detects collisions between balls and modifies their x and y velocities accordingly.I have included a friction variable and I have a very basic system for applying the force of friction for each iteration of movement:

private static var FRICTION:Number = 0.94;
public function move() : Void[code]....

This works to a reasonable level of satisfaction, but it doesn't quite feel right. The balls seem to take just a little too long to stop when they've slowed down to a very small velocity. I've tried tweaking the friction constasnt, but I still can't get sometthing that feels exactly right.

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Tweening In Functions?

Aug 4, 2009

I have some buttons on a stage that when click change the scale and the position of another movieclip sitting on the stage. All works well but I'd like to make it bit more....cool
 
Is it possible to tween, maybe with an ease, between the current position and the position when the button is clicked?

[Code]...

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ActionScript 3.0 :: How To Get Tweening ID

Apr 28, 2010

how to identify the tweening name, if running more tweens on the screen, For example... creating few circle and animating randomly on the screen. I want to remove the circle when the tweening class finished...

here my codes...

------------------------------------------------------------------------
var MC:MovieClip;
for (var i:int=1; i<=10; i++) {
MC=new mcircle();
MC.id=i;

[code]....

how can i remove circles when the "removeCircle" function called ?

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ActionScript 2.0 :: Better Way Of Tweening Pages?

Feb 15, 2009

I currently have a flash file and it all works fine, but I'm about to update it and it will become a little complicated to update the way I have set it up.

I have 15 pages (going to be updated to 40pages soon) and a side menu, clicking on one of the tabs in the menu will animate the relevant page onto the stage. Here is the code I am using[code]...

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PNG Images Pixelated When Tweening

Dec 3, 2009

I have imported two images from PS to Flash in PNG format. They are the perfect size and ready to use (i.e. not scaling these images). When I convert them to movies, the animation looks great in Flash, but when I export them they only look good when I have the HTML settings set to "Best". If I don't have this setting on, it looks like crap (i.e. very jagged). These are photos btw, not vector images or shapes.

The reason I want this to be optimized without the control of HTML is because I am creating web banners for advertising. When I submit my swf file to the webmaster, they basically will embed the swf with whatever settings they choose. If they don't have the setting on "Best", the file looks like crap. Allow smoothing is on.

1. When I import the PNG image, can I safely select JPG compression via the Bitmap Properties? Or do I need to keep it as lossless? If I select JPG, I can considerably reduce the filesize, although I'm not sure if that causes the images to look jagged as well.

2. Is there anything I can do outside the HTML settings to display my animations without the jagged edges? I need to keep my filesize under 50Kb which is pretty hard when working with photos and animation etc.

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ActionScript 1/2 :: Tweening With +/- From A Set Location?

Jun 9, 2009

I know the basics of tweening with action script but I have a picture set in the center of the stage at x = 50.  On a click I would like that picture move - 10 x from that position so it will end the tween at 40.  On a different button I would like to do the oppositie, + 10 x to its current position so if it was at 40 it would be back to the start and if it was at the start it would be at 60.

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Flash :: Motion Tweening In CS4?

Nov 22, 2009

I tried to refresh my little flash knowledge -- but I stumbled upon a problem with the new Flash CS4!
 
When I try to make different blur or alpha effect on one keyframe I got after making the motion tween -- Flash adjust the other keyframe as well (got the same reaction on both keyframes as if it was the same instance of movie clip -- and not as in old flash; the keyframes created separated or independent instances)
 
The only thing working for me is when I move the movie clip out of the stage on the first keyframe -- and it correctly move its position.

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ActionScript 3.0 :: Shape Tweening Using It?

Sep 4, 2010

I was wondering if there is anyway to shape tween two primitive shapes using actionscript. The shapes will be drawn using AS3 and then i need to tween them. no timeline should be involved.

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Anyway To Hide Tweening Path?

Feb 2, 2011

Just wondering if there is a way to hide the tweening path (ie motion path) of a motion tween animation when scrubbing. I have a number of objects in motion and while I am scrubbing the animation, the tweening path is kind of distracting so I would like to hide them. Is there anyway to show/hide the tweening paths?

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Professional :: Flicker When Tweening?

Feb 10, 2011

I'm making a banner in flash, and are moving some simple objects around.I mainy use vector squares, but when I tween them (classic tween) in a slow motion, the shape starts to "flicker" or "lag". Why is this?I think there has to be something with the calculations Flash is doing, but why can't it make the animation smooth?

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