How do i make a specific image on code.org, which is in javascript, blink, Im making a simple game where you click a ball and it moves around the screen, but i also want to make it blink so the ball disappears and comes back again, I know you can do it with texts but I have a button, that is an image and cant seen to figure it out.
Nowadays you probably would use CSS animations for running simple animations like blink effects and use Javascript to initiate the animation. Something like what's mentioned here should do the trick:
Imitating a blink tag with CSS3 animations
Just toggle the class to start/stop the animation.
Related
I have a slide with many animated gifs. Every slide contains an animated gif.
The effect I am trying to achieve is having the animated gifs play according to the timeline I created in photoshop and from the first frame to last when in view.
My issue is the animated gifs will start from the middle of the timeline instead of from the first frame when it is active and in view. I reckon it could be due to the loading time? I have tried increasing the time for the first frame and last frame of each slide but to no avail.
Is there a way to control the time to load and play the animated gifs when it is in view? is it something that needs to be done in javascript or jQuery?
From my point of view, CSS Sprites will give you better support that you wanted in your animation. Most important thing you need is to control over animation.
As you don't have any control over animated GIFs. You can't start them, you can't stop them, only thing they just do is to animate as soon as they load.
On the otherhand, with sprites, you can control the animation. Most importantly you can start, stop and react to browser events, pan through the animation.
As reference you can see Google Doodles which only activates when you only click on them.
For active reference, you can see the blog which might inspire you to use CSS Sprites.
https://itnext.io/creating-css-animations-using-sprite-sheet-47e2b7a3793c
Again, it's only opinion. Decisions is yours which one you will use for animation.
So bacically I made some elements, animated them with CSS and added some functionalities with JS. Here's a jsfiddle version of it:
https://jsfiddle.net/weeznismen/4frt72s3/
Right now I'm struggling with slowing down the animation when user hovers over inner circle or a displayed text. Right now, the CSS property
animation-duration
changes on hover to larger number so it slows down and when cursor leaves it, it changes back to original, to speed up again. The problem is it's snappy and I'm trying to achieve a smooth transition from slowed down animation to sped up and vice versa. Any ideas?
This project I am working on required me to build a moving animation that uses nothing other than css and styled divs.
A perfect working example of something almost identical can be found here (note the blue background white moving squares):
http://www.braintreepayments.com
However, unlike the demo above, my design consists of about 10 times more div shapes in the animation and when the animation timing expires, the container becomes blank, which makes it looks like it was poorly designed.
My question is, how does the animation in the above example create the 'continuous / infinite effect' on their website, with so little styled divs? I have been trying to formulate something to replicate this effect no success.
Note: I open to using a JQuery / Javascript solution as well.
By using the anitmation-iteration-count property and using the infinite value - you will have a hard time finding the matching selector as their CSS is minified, but that rule exists somewhere in their stylesheet.
Is it possible to count how many times an animated gif has played with javascript/jquery?
Nope, that's not possible.
However, you could create an interval using setInterval with the duration of the animation which increases a counter.
As #ThiefMaster says, You can't do this with a GIF anim.
However, you can achieve what you want using a javascript animation.
Rather than saving the frames of the animation in a GIF anim, save them in a single PNG file, in a row (ie so it looks like a reel of film) either horizontally or vertically.
Display the image in an element on the page that is sized so you can only see one frame of the animation at a time, and then use Javascript to adjust the CSS offset of the image at regular intervals using setInterval or setTimeout.
This technique is known as CSS Sprite animations. It's easy to do, and it's basically the standard way of doing spot graphic animations on the web now (GIF anims are soooo 1998).
Google will give you plenty of resources to help you find out more: https://www.google.com/search?q=css+sprite+animations
You might also want to read the accepted answer to this question: Why not animated GIF instead of animated CSS sprites?
I'm trying to create several buttons that have 4-5 frames of animation in them, and rather than using the typical CSS method (where 1 image has both states, and CSS toggles between top and bottom), I was curious if anyone had an idea on how to do this with 4-5 frames rather than 2. Obviously CSS alone can't make this happen - but its becoming a real challenge to find ANY info on this. Because the images have individual animation, I can't simply use the opacity to fade into the new image, it has to contain all 4-5. Any help would be much appreciated!
Zach
have a look at k10k and see how the buttons in the top are done: animated png's and animated gifs ;)
The only way I can think of to do this without JavaScript would be for the hover state to load an animated GIF for the background image. Otherwise, you'd have to use something like jQuery to animate the background-position property instead.
for this you'll need to use an animated GIF. if you don;'t have a animated GIF creation tool installed, either use Photoshop, which may be massive overkill, or one fo the free tools like GIFted motion
A very non-traditional frowned upon way this can be done is to...
-Animate them as a flash object. Export the xml/flash and imbed it into the htm