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I found this site Storj.io. I really like the design of the site and was looking at the header. There is a background-image and then on top of this there are those points that are moving. How can such a animation be achieved? Is this done with html5 and how or is JavaScript used?
Inspection reveals they are using Particles.js
Particles JS
They provide documentation to get you started and achieve the effect you are looking for.
Your question is too broad for a complete answer. Try asking about smaller parts of it when you get stuck.
From Scratch: In essence you'll want to look into using the <canvas> element to draw particles. Take a look at this simple example of what can be done. Here is a blog post on particles with canvas to get you going (which culminates with the previous example).
With a library: https://storj.io is using particles.js. But that doesn't tell you how it's accomplished. On the plus side though, the library can easily be included from https://github.com/VincentGarreau/particles.js/ (see the demo on codepen).
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I've been learning how to code for some time and I come to you because I'm stuck on the construction of an animation. I've been trying to figure out how to make it for two days (image attached) but it seems that I don't have the knowledge to build this animation alone. I've been looking in css but the revelation of a text at a fixed position is not possible with a moving element, and I don't master java script frameworks.
The animation starts with the right image (this is the default state), it then goes through the left image to then let appear only the orange background and the texts.
Animation description
What I can't manage to do is the progressive revelation of the text by this orange form (the two little bars are important and I want to keep them even if it's more complicated).
I simply don't know what to search on google to find the answer, nor if I should do it with css or js or a framework.
I don't necessarily want you to give me the code already pre-made but mostly a direction to exploit.
Thank you in advance for your answers.
You’ll might want to make an SVG shape, and then use clip-path to create a mask. These two articles work their way up to something like what you’re after:
https://css-tricks.com/clipping-masking-css/
https://css-tricks.com/animating-with-clip-path/
The SVG itself could be animated, or you might animate the clip-path property which is covered more in that second link.
Hope that’s helpful!
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So I've seen a mouse-hover effect on 2 websites so far and I really like it.
This is the effect I'm talking about.
I'd be grateful if somebody can tell me how to get that effect on my webpage.
It only appears under your cursor when you hover over the page.
The site you have linked in the comments uses the HTML canvas element. But You can simply use already existing libraries for that effect.
Examples mentioned in the comments:
http://jnicol.github.io/particleground/
http://github.com/VincentGarreau/particles.js
Simply, Go to the webpage you wanted to Copy it's effects or anything from it
Right click, View page source
If the effect is made by Css, you will find it in stylesheets tab
If it's using jQuery/Js, Search the head for <script> , Read them and copy the effect (assuming that you understand js/jquery
For more simplicity, use Firebug, open it and just point the cursor at the item you want to see it's source.
But, actually
You can find it at github Here
Change what you want.
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I have googled about the implementation of straight road using Javascript.
http://codeincomplete.com/games/racer/v1-straight/
However, I would like to check if Phaser framework gives a nice way to implement the straight road vertical scrolling background?
Here is what I expected the background scrolling the same as this game
http://www.nickjr.com/paw-patrol/games/paw-pups-save-the-day/
Thanks you in advance for guiding and sorry for any mistakes in this question.
I think you're getting downvoted because there is no 'nice and clever' way to implement a whole game on any engine/platform. If you want to build something, software takes a ton of work. Don't expect things to be magically done for you. So a tutorial is about the best you can hope for, and if you google it there's a lot of results.
That being said, here's a Phaser tutorial that's magically done for you, but I wouldn't go so far as to call it nice and clever. GLHF!
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I recently found recently the JavaScript library - tracking.js
Is there any way to detect what div I see now by image or camera?
I have two elements on the desktop, the left and right columns, and I would like to check if I see left div ( with console.log() ) or right div. This library is simple, and I know how to add a script, but I don't know how to detect my eye and detect what element I see.
Maybe there are other ways to detect this.
Thats a bit complicated because you need detect minimal ocular movements and the common webcams, haven't resolution enough, but with some hardware like this project http://pupil-labs.com/pupil/, could do that.
A good solution is tracking.js because this library simulate human behavior with a some algorithms and should be enough to make simple decisions like the columns position.
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I want to create a image gallery using Html 5 Canvas and when I hover a image, it must grow and change opacity. In addition to image selectable and draggable?
How can I do this? Any ideas?
Well sir, first try to code anything and then come to ask for assistance with particular problem. For now it looks like you have no clue about subject and not even tried. I can anwser a question like how to manipulate opacity in canvas, how to implement drag and drop, etc...
but NOT I need someone to implement my whole idea for me
I should also point out that Canvas isn't probably the best technology for this task (in the meaning of both performance and implementation difficulty).
If you insist, you will have to rewrite all functionality which is already easily accessible with DOM and libraries like jQuery.