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Problem of delay on TweenMax

MaralS test
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Warning: Please note

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 Some information, especially the syntax, may be out of date for GSAP 3.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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Hi,

 

I'm not an expert in GSAP and I have some troubles with my SVG animation. 

Indeed,  I want to create a pre-loading effect on my page but I have some issues regarding the delay. I made a screenshot which show my problem : https://vimeo.com/189758547

My SVG appears at the beginning of my animation but I want to reveal the SVG by animating the strokes.

 

Here is my JS code (the link to my codepen) :

$(window).load(function () { 
        $(function () {
            var first = $('#firstletter'),
                second = $('#secondletter'),
                competences = $('.competence'),

                // Sample script for Tweening on a Timeline
                tl = new TimelineMax({
                    delay:0,
                    paused: false,
                    yoyo: false
                });

            tl.fromTo([first, second], 3, {
                drawSVG: "100% 100%"
            }, {
                drawSVG: "0% 100% ",
                ease: SlowMo.easeOut
            });
        
            tl.fromTo(competences, 1, {
                opacity: 0,
                top: 0
            }, {
                opacity: 1,
                top: "50%"
            });
        });
        $('#loader-overlay').delay(5000).fadeOut('slow'); // 5 sec de délai avant que la div ne disparaisse
        
});

 

Thank you for your help :)

See the Pen jMgmQY by MaralS (@MaralS) on CodePen

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Hello MaralS, and Welcome to the GreenSock forum!

 

if it was me i would use the GSAP CSSPlugin special property autoAlpha

 

See the Pen RGXQXR by jonathan (@jonathan) on CodePen

 

So instead of using display:none on #titre-conteneur in your CSS, which will remove your element from the rendering tree when loaded. You would use visibility:hidden; to hide the element on load.

 

Then you would animate autoAlpha to 1 with a to() tween:

tl.to(loader, 1, { autoAlpha: 1 });

autoAlpha is part of the GSAP CSSPlugin:

 

http://greensock.com/docs/#/HTML5/GSAP/Plugins/CSSPlugin/

 

autoAlpha is better for rendering performance ;)

  • autoAlpha
    Identical to opacity except that when the value hits 0 the visibility property will be set to "hidden" in order to improve browser rendering performance and prevent clicks/interactivity on the target. When the value is anything other than 0, visibility will be set to "inherit". It is not set to "visible" in order to honor inheritance (imagine the parent element is hidden - setting the child to visible explicitly would cause it to appear when that's probably not what was intended). And for convenience, if the element's visibility is initially set to "hidden" and opacity is 1, it will assume opacity should also start at 0. This makes it simple to start things out on your page as invisible (set your css visibility:hidden) and then fade them in whenever you want.
//fade out and set visibility:hidden
TweenLite.to(element, 2, {autoAlpha:0});

//in 2 seconds, fade back in with visibility:visible
TweenLite.to(element, 2, {autoAlpha:1, delay:2});

Happy Tweening! :)

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