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Randomizing doesn't change in recursion

drewbit test
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This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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I'm trying to randomize some settings in a tween. The first time it gets random values, but each iteration thereafter is identical.


function RandomTween(e,o,w,h){
     TweenMax.to(e, 0, {x:(int(o.left*w)), y:(int(o.top*h)),rotation:getRandomArbitary(1.05,6.25)+"rad"});
     TweenMax.to(e, getRandomArbitary(0.5,5), {y: o.animation.to.y*h,repeat:-1,x: o.animation.to.x*w,force3D:true,
 * Returns a random number between min and max
function getRandomArbitary (min, max) {
    return random() * (max - min) + min;
var seed = 1;
function random() {
    var x = Math.sin(seed++) * 10000;
    return x - Math.floor(x);


Am I missing something here?

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It appears you are only getting random values once as your onComplete callback is applied to a tween with repeat:-1 which means the tween will repeat indefinitely and never complete.


From what I gather, you don't need your tween to repeat at all as each time it completes it should call that function again and generate a new tween.


Also it seems you are creating 2 tweens on the same target that both change the y value. Currently the second tween will kill the y part of the first tween.

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