CSS3 Button Animation Transition Game Tutorial
The recent CSS3 Transition Game Tutorial had us examining CSS3 (Cascading Style Sheet) specification “Transitions” as tools for animation styling. Today we …
- apply such “transition” thinking to the animation of HTML button elements (as inspired by https://www.w3schools.com/css/tryit.asp?filename=trycss_buttons_animate1 thanks) … in terms of …
- creating a game whereby the user links a (most often based on Wikipedia sources, thanks) “proverb or phrase explanation” the game randomly selects for the user in an HTML select element dropdown (made to be “readonly” via the use of the disabled=”disabled” attribute) … to …
- HTML button elements initially showing a prefix … that when …
- hovered over CSS3 “transition” animation also channelling the checked against the :after selector to show a full proverb or phrase as the user selection …
- Javascript checked against data attributed (to hide from “nosy” users) the link to “explanation” correct matches to …
- increase the user’s score in the game‘s HTML and CSS and Javascript animated_button_game.html
Do you remember a recent “Stop Press” explaining a neat way to get mobile platforms to effectively map their onclick event logic to an onmouseover event based Javascript logic set, via the application of …
onclick=""
… HTML element (today that being a button element) logic? Well, today that is used again to allow for this game to be played on mobile devices, but just with those users clicking buttons rather than the “hover” that a non-mobile user does to play the same game.
Previous relevant CSS3 Transition Game Tutorial is shown below.
CSS3 Transition Game Tutorial
Yesterday’s CSS3 Transition Primer Tutorial started us thinking about CSS3 (Cascading Style Sheet) specification “Transitions”, and there, we intimated that they could be used to serve up to the web application user simple animation functionality. Today, we go a bit further down that road exporing a few more ideas in this line of work, along the way using “transitions” in a simple spider game as below …
Added into the “transitions” usage, building on yesterday, are the concepts (all available to read further on here, thanks) …
- multiple “concept” transitions
- transition-timing-function modes of use
- transition (CSS styling) definition separated out into its 3 constituent parts …
- transition-property
- transition-delay
- transition-duration
… as per …
<style>
.cdiv {
width: 300px;
height: 200px;
background: red;
-webkit-transition-delay: 3s;
transition-delay: 3s;
-webkit-transition-property: height, width; /* Safari */
transition-property: height, width;
-webkit-transition-duration: 4s, 22s; /* Safari */
transition-duration: 4s, 22s;
}
.cdiv:hover {
width: 600px;
height: 400px;
}
</style>
The game today recalls the recent CSS3 Background Size Contain and Cover Primer Tutorial use of the CSS background-size contain and cover attribute values that we harness to (lamely, admittedly) make (just one of our) spiders rear up, and mildly scare our web application game users (perhaps a few of which are rolling on the floor in apopleptic laughter).
The HTML and CSS and Javascript live run‘s css3_transitions.htm HTML and CSS and Javascript source code, changed this way.
Previous relevant CSS3 Transition Primer Tutorial is shown below.
CSS3 Transition Primer Tutorial
The CSS3 (Cascading Style Sheet) specification introduced “Transitions” to CSS styling of web pages. A CSS3 “transition” …
CSS3 transitions allows you to change property values smoothly (from one value to another), over a given duration.
Today, we use the CSS :hover selector as the basis for transitions in our live run‘s css3_transitions.html HTML and CSS source code.
As you might surmise using this web application, CSS3 “Transitions” can act like simple animations.
Stop Press
The CSS :hover selector is not a “good fit” (euphemism for “it doesn’t work, Bud!”) on mobile platforms. Looking around the “net” got to this great link, thanks, which suggested adding onlick=”” on all relevant :hover selector HTML elements, to allow for (and it only really makes sense when the real onclick event meaning is not needed) the onclick event to be simulating the onmouseover event, for those mobile platforms missing the real onmouseover event.
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