ActionScript 3.0 :: Program To Gaph Quadratic / Exponential Equations Uisng Flash?
Apr 16, 2011Possible to program to gaph quadratic or exponential equations uisng flash.
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Dec 27, 2010To create a sort of thick-pixel gradient shadow, I've got a simple loop which creates a new 200x5 pixel Shape (rectangle) with each iteration, assigning an alpha value and y value that changes relative to the loop's iteration.
Code:
var upperShadow:Shape = new Shape();
for (var k:int=0; k<10; k++) {
shadowAlpha = (1-(k/10))*.5;
trace(shadowAlpha); // traces .5, .45, .4, .35, .3, .25, .2, .15, .1, .05
[code]....
This creates a simple linear gradient since the alpha value changes linearly, but how would I go about creating some sort of exponential/logarithmic/cubic/circular value for the alpha, so that it falls off differently?
Are there a set of common equations that people use for this sort of thing, similar to the simple (1-(k/10))*.5 I use for the linear change from .5 to 0 in ten .5 increments?
Flash - Trig Equations To Create Ellipse
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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;
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Oct 11, 2005I've built a slider which also contains an input textfield. the slider can be dragged and it's value will be updated in the textfield. a user can also enter a value in the textfield which will then be reflected in the slider. All is fine thusfar. However, I'd like to figure out how to give the slider an exponential scale instead of a linear one. Say the slider has a minimum value of 0 and a max of 100. When the slider is dragged halfway then using a linear scale it's value would ofcourse be 0.5 * 100 = 50. To calculate the value for the exponential scale I use
[Code]...
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Code:
var i:Number=0;
var j:Number=0;
this.createEmptyMovieClip(graph, 1);
[code]....
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Nov 4, 2008Im trying to add an exit button onto my program so when its clicked it exits the program completely.. I've tried some of the suggestions on the forums but they arnt working. what I have been using and its not working..
// CLICK to Exit
exit_Btn.addEventListener("mouseUp", goExit);
function goExit(evt:MouseEvent) {
fscommand("quit");
};
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Jan 29, 2010I have created a flash program and I would like to run a second flash program from inside the first. To explain, say I am running a program that draws a circle and fills it with a color. Then, I have designed a second program that will divide a circle into sectors by entering percentages, to turn that circle into a pie chart. Is there a way to be running the "draw a circle" program and have a button that opens the "divide the circle into sectors" program in a new window and then passes information from that program to the first program. I am sure I will have to send the information from the second program to an XML file and then have the first program recieve it from the XML file (which I can do), but I don't know if I can run the second program from inside the first program.
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Oct 24, 2010I'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.
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ActionScript 3.0 :: Draw Equations In It?
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ActionScript 2.0 :: Use Penners Equations?
Feb 2, 2004I 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]..........
ActionScript 2.0 :: How To Use Easing Equations
Nov 18, 2004I 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.
ActionScript 2.0 :: About TweenMax And Easing Equations?
Jul 1, 2008im 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]...
ActionScript 2.0 :: Easing Equations For Dynamic Tweening?
Sep 6, 2001Virtually 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.
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ActionScript 2.0 :: Robert Penner Easing Equations - How To Use Them
Nov 18, 2004I 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.
View 6 RepliesActionScript 2.0 :: Using The Robert Penner Tweening Equations?
Feb 17, 2005use 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).
View 1 RepliesActionScript 2.0 :: Robert Penner Easing Equations?
May 19, 2003But 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) {
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]...
ActionScript 2.0 :: Using The Robert Penner Tweening Equations
Feb 17, 2005way 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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Jan 21, 2010create 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]....
ActionScript 2.0 :: Correct Order Of Events (brackets First, Etc) To Reflect The Equations ?
Jan 25, 2005I 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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[Code]...
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