Basic and full sample please...No Codepen

EricMtl · May 18, 2020

Hi,

Spend hours to make codepen Draggable sample works. Copied and pasted Codepen codes into a directory and ran index.html. No way ! What's missing ? Thx !

Having completed html file with starting and ending tags <head> ..<script>,included required .min files through CDN as recommended.... Nothing

Just a not rounded red rectangle (no hand icon as in sample...)

Already fed up...

Shaun Gorneau · May 18, 2020

It would be helpful if you can could demonstrate something not working in CodePen.

PointC · May 18, 2020

Any errors in the console? Are you loading your custom JS after gsap and draggable?

Greg Stager · May 18, 2020

This was about as basic as I could make it.

Perhaps it will help you see where your issue is hiding.

<html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.2.6/gsap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.2.6/Draggable.min.js">
gsap.registerPlugin(Draggable);
</script>
<style>
#box {
    height: 75px;
    width: 150px;
    background-color: #ff0000;
    }
</style>
</head>  

<body>
<div id="box"></div>
<script>    
Draggable.create("#box", {});
</script> 
</body>
</html>

EricMtl · May 18, 2020

Thank you all.

My attempt as I said was just to copy/paste locally into a new folder, all 3 codepen files related to Draggable sample. I named them index.html, stylesheet.css and index.js .

As the html file was truncated, I added the starting and ending missing parts (from !DOCTYPE to </html>) and placed into head section all required CDN files (gsap.min.js, Draggable.min.js plus my local InertiaPlugin.min.js which seems to be required.

The body section is exactly what Codepen gave me; no change.

Then I run this sample expecting to get the shown result (mean... two rounded rectangle on a grid, draggable with mouse !!! Am I wrong ?!?!? )

But instead I get no grid, just a red round square in top left of my local page tagged "Drag and throw me too". That'a all !

A mouse over it does not show any hand icon as on codepen sample. It seems that something is missing to activate GSAP......or whatever else...

As a beginner it's really frustrating to loose so much time for such a basic training: just trying to reproduce a sample !!!Come on !

@Greg: I am studying your code sample to unfreeze my mind

EricMtl · May 18, 2020

-----------------------------------------------------------------index.html file-----------------------------------------------------

<!DOCTYPE html>

<html>

<head>

</head>

<body>

<div class="box" id="box1">Drag and throw me</div>

<div class="box" id="box2" style="background-color:red;">Drag and throw me too</div>

</div>

<ul>

<li class="controlsTitle">Options</li>

<li>

<label><input type="checkbox" name="snap" id="snap" value="1" /> Snap end position to grid</label>

</li>

<li>

</li>

</ul>

</div>

</body>

</html>

-----------------------------------------------------------------index.js file-----------------------------------------------------

/*

See https://greensock.com/draggable/ for details.

This demo uses InertiaPlugin which is a membership benefit of Club GreenSock, https://greensock.com/club/

*/

gsap.registerPlugin(InertiaPlugin);

var $snap = $("#snap"),

$liveSnap = $("#liveSnap"),

$container = $("#container"),

gridWidth = $("body").width() / 5,

gridHeight = 100,

gridRows = 6,

gridColumns = 5,

i, x, y;

//loop through and create the grid (a div for each cell). Feel free to tweak the variables above

for (i = 0; i < gridRows * gridColumns; i++) {

y = Math.floor(i / gridColumns) * gridHeight;

x = (i * gridWidth) % (gridColumns * gridWidth);

$("<div/>").css({position:"absolute", border:"1px solid #454545", width:gridWidth-1, height:gridHeight-1, top:y, left:x}).prependTo($container);

}

//set the container's size to match the grid, and ensure that the box widths/heights reflect the variables above

gsap.set($container, {height: gridRows * gridHeight + 1, width: gridColumns * gridWidth + 1});

gsap.set(".box", {width:gridWidth, height:gridHeight, lineHeight:gridHeight + "px"});

gsap.set("#box2", {left: gridWidth * 2})

//the update() function is what creates the Draggable according to the options selected (snapping).

function update() {

var snap = $snap.prop("checked"),

liveSnap = $liveSnap.prop("checked");

Draggable.create(".box", {

bounds: $container,

edgeResistance: 0.65,

type: "x,y",

inertia: true,

autoScroll: true,

liveSnap: liveSnap,

snap:{

x: function(endValue) {

return (snap || liveSnap) ? Math.round(endValue / gridWidth) * gridWidth : endValue;

},

y: function(endValue) {

return (snap || liveSnap) ? Math.round(endValue / gridHeight) * gridHeight : endValue;

}

});

}

//when the user toggles one of the "snap" modes, make the necessary updates...

$snap.on("change", applySnap);

$liveSnap.on("change", applySnap);

function applySnap() {

if ($snap.prop("checked") || $liveSnap.prop("checked")) {

$(".box").each(function(index, element) {

gsap.to(element, {

x: Math.round(gsap.getProperty(element, "x") / gridWidth) * gridWidth,

y: Math.round(gsap.getProperty(element, "y") / gridHeight) * gridHeight,

delay: 0.1,

ease: "power2.inOut"

});

}

update();

}

update();

-----------------------------------------------------------------stylesheet.css file-----------------------------------------------------

body {

background-color:black;

font-family: Signika Negative, Asap, sans-serif;

}

#container {

height:801px;

overflow:visible;

padding:0;

position:relative;

}

.box {

background-color: #91e600;

text-align: center;

font-family: Asap, Avenir, Arial, sans-serif;

width: 196px;

height: 100px;

line-height: 100px;

color: black;

position: absolute;

top:0;

-webkit-border-radius: 10px;

-moz-border-radius: 10px;

border-radius: 10px;

}

.controls {

background-color: #222;

border: 1px solid #555;

color: #bbb;

font-size: 18px;

margin: 20px 0;

}

.controls ul {

list-style: none;

padding: 0;

margin: 0;

}

.controls li {

display: inline-block;

padding: 8px 0 8px 10px;

margin:0;

}

.controls input {

vertical-align:middle;

cursor: pointer;

}

.controls .controlsTitle {

border-right:1px solid #555;

border-bottom:none;

padding-right:10px;

}

PointC · May 18, 2020

Are you talking about this demo?

See the Pen zDwEk by GreenSock (@GreenSock) on CodePen

If so, did you export the demo?

PointC · May 18, 2020

Have your tried loading your scripts before the closing </body> tag?

EricMtl · May 18, 2020

28 minutes ago, PointC said:

Are you talking about this demo?

If so, did you export the demo?

Yes exactly! But I didn't noticed this option... So I need to subscribe to retrieve all complete samples... Thank you for that !

PointC · May 18, 2020

You don't need to pay, but you do need an account.

I do think you just have a 'DOM not ready' problem here. I'd try moving those scripts to the bottom of the page or check if the DOM is ready in your custom JS file. Check out this info from @Jonathan for more info about that.

Greg Stager · May 18, 2020

Hmm.. certainly a lot going on there.

If I am not mistaken - looks like some jQuery code in there as well.

would need to include those libraries as well.

But - all that aside -

35 minutes ago, EricMtl said:

As a beginner it's really frustrating to loose so much time for such a basic training

Not sure I would call trying to copy paste from a codepen “basic training”. As a beginner - I would advise against copying and pasting code as a means to learn this craft. I would suggest starting small and keying it all youself.

That will help you to be much more “intimate” with your own code because you’ll know firsthand how all the elements came to be and how they fit together.

Just my two cents.

EricMtl · May 19, 2020

25 minutes ago, PointC said:

Have your tried loading your scripts before the closing </body> tag?

Pfff ! I registered to CodePen and dl'ed the zip file.

Finally the /dist folder (not the /src one) content works !!!

Thank you for your help.

EricMtl · May 19, 2020

19 minutes ago, Greg Stager said:

Hmm.. certainly a lot going on there.

If I am not mistaken - looks like some jQuery code in there as well.

would need to include those libraries as well.

But - all that aside -

Not sure I would call trying to copy paste from a codepen “basic training”. As a beginner - I would advise against copying and pasting code as a means to learn this craft. I would suggest starting small and keying it all youself.

That will help you to be much more “intimate” with your own code because you’ll know firsthand how all the elements came to be and how they fit together.

Just my two cents.

14 minutes ago, PointC said:

You don't need to pay, but you do need an account.

I do think you just have a 'DOM not ready' problem here. I'd try moving those scripts to the bottom of the page or check if the DOM is ready in your custom JS file. Check out this info from @Jonathan for more info about that.

@PointC :I am not a JS specialist but I'll try do move all "include" scripts to the end of body.

@Greg; ...when you think you're going to save time by copying/pasting....

Thx you all for your time!

Shaun Gorneau · May 19, 2020

5 minutes ago, EricMtl said:

.when you think you're going to save time by copying/pasting....

Hey, we've all been there. But, as with anything, you'll find that you save time once you understand the concepts. There's no shortcut to that (other than hiring out). Without time and understanding, it's just throwing darts in a dark room. But, when you do have the concepts under your belt, building on other people's work will DEFINITELY save time (thanks @GreenSock!!) 😊

EricMtl · May 19, 2020

I rapidly checked sources codes and relocated included script files to the end of <body> .

For the same index.html file , seems that all depends of these paths....

That sequence works

<!-- <script type ="text/javascript">src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"</script>

</body>

That one fails

<!-- <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>

PointC · May 19, 2020

Keep in mind that the Inertia plugin is a Club plugin so there is no CDN for it outside of CodePen demos. You'll always need to host Club plugins with your own files.

Happy tweening,

Shaun Gorneau · May 19, 2020

11 hours ago, EricMtl said:

That one fails

        <script type ="text/javascript">src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"</script>

        <script type ="text/javascript">src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.2.6/gsap.min.js"</script>

        <script type ="text/javascript">src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.2.6/Draggable.min.js"</script>

        <script type ="text/javascript">src="InertiaPlugin.min.js"</script>

        <script type ="text/javascript" src="index.js"></script>

The set that fails is because your opening script tag is terminated after the type property, so you're writing this

<script type="text/javascript">
  src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"
</script>

EricMtl · May 20, 2020

Ooch ! My eyes betrayed me...

I must admit that I spend too long time on this bug without a break...

Again, thank you all for your assistance and your responsiveness.

Basic and full sample please...No Codepen

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