I am creating a really simple loader page for my application. I wanted to use a circle, that rotates, and as I saw a tutorial, I used the SVG and circle tags. Here is the code HTML:
<div className="loader">
<svg className="svg">
<circle cx="70" cy="70" height="100px" width="100px" />
</svg>
</div>
And here is all the involved CSS in this case:
.loader{
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
}
.svg{
width: 150px;
height: 150px;
animation: rotate 2s linear infinite;
}
#keyframes rotate{
0%{
transform: rotate(0deg);
}
100%{
transform: rotate(360deg);
}
}
.svg circle{
background-color: red;
width: 1em;
height: 1em;
fill: var(--redwine);
stroke-width: 10;
stroke: var(--redwine);
stroke-linecap: round;
transform:translate(5px, 5px);
stroke-dasharray: 440;
stroke-dashoffset: 440;
animation: circular 4s linear infinite;
z-index: 100;
}
#keyframes circular{
0%, 100%{
stroke-dashoffset: 440;
}
50%{
stroke-dashoffset: 0;
}
50.1%{
stroke-dashoffset: 880;
}
}
The only problem with all this code is that whenever I open the page, to see if all is working, it gives me an empty page. So I try to inspect. When I hover in the browser the code of SVG, it shows the shadow of a square that rotates, but when I hover the circle code, it shows a point with the following label: circle 0x0. I think that it is not rendering correctly, or I am blocking it. I don't really know.
Can someone help? Thank you a lot
You are missing the radius attribute r.
<circle cx="70" cy="70" r="25" height="100px" width="100px" />
See below:
.loader {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
}
.svg {
width: 150px;
height: 150px;
animation: rotate 2s linear infinite;
}
#keyframes rotate {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
.svg circle {
background-color: red;
width: 1em;
height: 1em;
fill: var(--redwine);
stroke-width: 10;
stroke: var(--redwine);
stroke-linecap: round;
transform: translate(5px, 5px);
stroke-dasharray: 440;
stroke-dashoffset: 440;
animation: circular 4s linear infinite;
z-index: 100;
}
#keyframes circular {
0%,
100% {
stroke-dashoffset: 440;
}
50% {
stroke-dashoffset: 0;
}
50.1% {
stroke-dashoffset: 880;
}
}
<div className="loader">
<svg className="svg">
<circle cx="70" cy="70" r="25" height="100px" width="100px" />
</svg>
</div>
Related
#home {
height: 100vh;
background-image: url("http://4.bp.blogspot.com/-yB6Tc3mleuE/T4NkAKeazYI/AAAAAAAACB0/tlichKzIu3Q/s1600/Simple+unique+odd+weird+wallpapers+minimalistic+%2330+battleship+titanic.jpg");
background-position: center;
background-repeat: no-repeat;
background-size: cover;
overflow: hidden;
padding: 0;
margin-left: -10px;
}
.background {
overflow: hidden;
}
#fg {
fill: pink;
stroke: #fff;
stroke-width: 10px;
stroke-dasharray: 1024px;
-webkit-animation: dash 2s;
animation: dash 2s;
}
#keyframes dash {
from {
stroke-dashoffset: 1024px;
}
to {
stroke-dashoffset: 0px;
}
}
#-webkit-keyframes dash {
from {
stroke-dashoffset: 1024px;
}
to {
stroke-dashoffset: 0px;
}
}
#bg {
fill: white;
stroke: none;
transform-origin: 1270px 550px;
-webkit-animation: bgfill 2s linear 2s forwards;
animation: bgfill 2s linear 2s forwards;
}
#keyframes bgfill {
from {
transform: scale(1);
}
to {
transform: scale(4);
}
}
#-webkit-keyframes bgfill {
from {
transform: scale(1);
}
to {
transform: scale(4);
}
}
<div id="home" class="section" style="height:100vh;">
<div class="background">
<svg viewBox="0 0 1376 764">
<defs>
<path id="shape" d="M1034.5,770.5a125.59,125.59,0,0,0-17-32c-12.32-16.72-25.68-25.84-33-31-6-4.23-59.88-42.55-100-90-13.64-16.14-20.57-24.48-26-38-15-37.48-3.73-73.65,0-85,8.68-26.45,23-43.26,35-57,19-21.82,33.56-29.9,67-54,33.68-24.27,55.39-39.91,77-60,40.56-37.69,35.94-49.35,81-96,34.18-35.39,51.27-53.08,79-65,7.79-3.35,76-31.44,140,2a142.06,142.06,0,0,1,31,22l7.5,7.5 L 1376,770.5 Z" />
</defs>
<use xlink:href="#shape" id="bg" />
<use xlink:href="#shape" id="fg" />
</svg>
</div>
</div>
I can not seem to make the background image visible at all times while remaining the same effect, making the fill transparent gets rid of the animation, I also tried to play around with z-index on various elements but without success, how can I make it so that the background image is visible inside the white line instead of the pink svg?
I also tried applying the same image to the pink SVG as fill and it kind of works, I just can not seem to make the image appear like how it would if it was full screen, it also makes the page a bit slow:
#fg {
fill: url(#image);
stroke: #fff;
stroke-width: 10px;
stroke-dasharray: 1024px;
-webkit-animation: dash 2s;
animation: dash 2s;
}
<pattern id="image" width="1" height="1">
<image xlink:href="http://4.bp.blogspot.com/-yB6Tc3mleuE/T4NkAKeazYI/AAAAAAAACB0/tlichKzIu3Q/s1600/Simple+unique+odd+weird+wallpapers+minimalistic+%2330+battleship+titanic.jpg"></image>
</pattern>
You can get rid of the pink with fill-opacity. But you would need to adjust the white "background" as it overlays the background-image.
You might need to change the shape for that.
You could also include the image as a layer in the svg.
#home {
height: 100vh;
background-image: url("http://4.bp.blogspot.com/-yB6Tc3mleuE/T4NkAKeazYI/AAAAAAAACB0/tlichKzIu3Q/s1600/Simple+unique+odd+weird+wallpapers+minimalistic+%2330+battleship+titanic.jpg");
background-position: center;
background-repeat: no-repeat;
background-size: cover;
overflow: hidden;
padding: 0;
margin-left: -10px;
}
.background {
overflow: hidden;
}
#fg {
fill: pink;
fill-opacity: 0;
stroke: #fff;
stroke-width: 10px;
stroke-dasharray: 1024px;
-webkit-animation: dash 2s;
animation: dash 2s;
}
#keyframes dash {
from {
stroke-dashoffset: 1024px;
}
to {
stroke-dashoffset: 0px;
}
}
#-webkit-keyframes dash {
from {
stroke-dashoffset: 1024px;
}
to {
stroke-dashoffset: 0px;
}
}
#bg {
fill: white;
opacity: .5;
stroke: none;
transform-origin: 1270px 550px;
-webkit-animation: bgfill 2s linear 2s forwards;
animation: bgfill 2s linear 2s forwards;
}
#keyframes bgfill {
from {
transform: scale(1);
}
to {
transform: scale(4);
}
}
#-webkit-keyframes bgfill {
from {
transform: scale(1);
}
to {
transform: scale(4);
}
}
<div id="home" class="section" style="height:100vh;">
<div class="background">
<svg viewBox="0 0 1376 764">
<defs>
<path id="shape" d="M1034.5,770.5a125.59,125.59,0,0,0-17-32c-12.32-16.72-25.68-25.84-33-31-6-4.23-59.88-42.55-100-90-13.64-16.14-20.57-24.48-26-38-15-37.48-3.73-73.65,0-85,8.68-26.45,23-43.26,35-57,19-21.82,33.56-29.9,67-54,33.68-24.27,55.39-39.91,77-60,40.56-37.69,35.94-49.35,81-96,34.18-35.39,51.27-53.08,79-65,7.79-3.35,76-31.44,140,2a142.06,142.06,0,0,1,31,22l7.5,7.5 L 1376,770.5 Z" />
</defs>
<use xlink:href="#shape" id="bg" />
<use xlink:href="#shape" id="fg" />
</svg>
</div>
</div>
I'm trying to imitate the loader/Progress spinner from angular material. So far I made the following component. But I don't know why the length of the dash isn't changing.
body {
background-color: white;
}
// demo-specific
.showbox {
position: absolute;
}
// end demo-specific
.loader {
position: relative;
margin: 0 auto;
width: 100px;
&:before {
content: '';
display: block;
padding-top: 100%;
}
}
.circular {
animation: rotate 2s linear infinite;
height: 100%;
transform-origin: center center;
width: 100%;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
}
.path {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
animation: dash 2s ease-in-out infinite;
stroke-linecap: round;
stroke: #0057e7;
}
#keyframes rotate {
100% {
transform: rotate(360deg);
}
}
#keyframes dash {
0% {
stroke-dasharray: 20, 200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 100, 200;
stroke-dashoffset: -35px;
}
100% {
stroke-dasharray: 200, 200;
stroke-dashoffset: -125px;
}
}
<div class="showbox">
<div class="loader">
<svg class="circular" viewBox="25 25 50 50">
<circle class="path" cx="50" cy="50" r="20" fill="none" stroke-width="2" stroke-miterlimit="10"/>
</svg>
</div>
</div>
The problem to me looks like it is going straight from 0% to 50%, where are the example they transition from 0% to 10% etc etc etc. Simply include more steps between 0 and 50%.
I am using the material spinner from this codepen: https://codepen.io/mrrocks/pen/EiplA
It displays perfectly in all browsers except IE.
Here is the SVG icon:
<svg class="spinner" width="65px" height="65px" viewBox="0 0 66 66" xmlns="http://www.w3.org/2000/svg">
<circle class="path" fill="none" stroke-width="6" stroke-linecap="round" cx="33" cy="33" r="30"></circle>
</svg>
Then we have the LESS to make it rotate and all that:
$offset: 187;
$duration: 1.4s;
.spinner {
animation: rotator $duration linear infinite;
}
#keyframes rotator {
0% { transform: rotate(0deg); }
100% { transform: rotate(270deg); }
}
.path {
stroke-dasharray: $offset;
stroke-dashoffset: 0;
transform-origin: center;
animation:
dash $duration ease-in-out infinite,
colors ($duration*4) ease-in-out infinite;
}
#keyframes colors {
0% { stroke: #4285F4; }
25% { stroke: #DE3E35; }
50% { stroke: #F7C223; }
75% { stroke: #1B9A59; }
100% { stroke: #4285F4; }
}
#keyframes dash {
0% { stroke-dashoffset: $offset; }
50% {
stroke-dashoffset: $offset/4;
transform:rotate(135deg);
}
100% {
stroke-dashoffset: $offset;
transform:rotate(450deg);
}
}
As far as I can tell everything I am using seems to be supported in IE11 according to caniuse.com: http://caniuse.com/#search=svg and http://caniuse.com/#feat=css-animation.
I tried adding <meta http-equiv="X-UA-Compatible" content="IE=edge"> but it had no effect.
Any ideas?
I want to resize my first SVG circle from here, so I made the second, but there is a problem in the animation, the animation is not the same.
HTML:
<div class="loader">
<svg class="circular">
<circle class="path" cx="50" cy="50" r="20" fill="none" stroke-width="8" stroke-miterlimit="10" />
</svg>
</div>
<div style="margin-top: 50px;" class="loader">
<svg class="circular">
<circle class="path" cx="50" cy="50" r="44" fill="none" stroke-width="8" stroke-miterlimit="10" />
</svg>
</div>
CSS:
body, svg, circle {
margin: 0px !important;
padding: 0px !important;
}
.loader {
position: relative;
margin: 0px auto;
padding: 0px;
width: 100px;
height: 100px;
zoom: 1;
background-color: grey;
}
.circular {
-webkit-animation: rotate 3s linear infinite;
animation: rotate 3s linear infinite;
height: 100px;
position: relative;
width: 100px;
}
.path {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
-webkit-animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
stroke-linecap: round;
}
#-webkit-keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#-webkit-keyframes dash {
0% {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -35;
}
100% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -124;
}
}
#keyframes dash {
0% {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -35;
}
100% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -124;
}
}
#-webkit-keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%, 90% {
stroke: #ffa700;
}
}
#keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%, 90% {
stroke: #ffa700;
}
}
How to properly resize it?
The stroke-dasharray property of the circle element determine the length of the stroke's dash and the space between two dashes whereas the stroke-dashoffset determines the offset at which the stroke's dash starts. Within the #keyframes rules these properties are getting modified and thus ends up producing the animation effect. When the circle's radius (and thus the circumference) is changed, these properties (set within the keyframes) also have to modified in proportion to the radius.
Since the settings depend on the radius of the circle, I don't think you can keep the same animation (#keyframe) settings for both circles. At any time only one of them can work properly.
In the below snippet I have done the changes that are required to make the bigger circle work.
body,
svg,
circle {
margin: 0px !important;
padding: 0px !important;
}
.loader {
position: relative;
margin: 0px auto;
padding: 0px;
width: 100px;
height: 100px;
zoom: 1;
background-color: grey;
}
.circular {
-webkit-animation: rotate 3s linear infinite;
animation: rotate 3s linear infinite;
height: 100px;
position: relative;
width: 100px;
}
.path {
stroke-dasharray: 1, 440;
stroke-dashoffset: 0;
-webkit-animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
stroke-linecap: round;
}
#-webkit-keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#-webkit-keyframes dash {
0% {
stroke-dasharray: 1, 440;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89, 440;
stroke-dashoffset: -77;
}
100% {
stroke-dasharray: 89, 440;
stroke-dashoffset: -272;
}
}
#keyframes dash {
0% {
stroke-dasharray: 1, 440;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89, 440;
stroke-dashoffset: -77;
}
100% {
stroke-dasharray: 89, 440;
stroke-dashoffset: -272;
}
}
#-webkit-keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%,
90% {
stroke: #ffa700;
}
}
#keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%,
90% {
stroke: #ffa700;
}
}
<div style="margin-top: 50px;" class="loader">
<svg class="circular">
<circle class="path" cx="50" cy="50" r="44" fill="none" stroke-width="8" stroke-miterlimit="10" />
</svg>
</div>
Alternately, if you wish to make the same animation (#keyframe) settings work for both the circles at the same time, then you could consider using a transform: scale to create the bigger circle instead of manually modifying the radius of the circle. (But as you can see, the output is not exactly same as modifying the radius and hence I wouldn't really recommend this).
body,
svg,
circle {
margin: 0px !important;
padding: 0px !important;
}
.loader {
position: relative;
margin: 0px auto;
padding: 0px;
width: 100px;
height: 100px;
zoom: 1;
background-color: grey;
}
.circular {
-webkit-animation: rotate 3s linear infinite;
animation: rotate 3s linear infinite;
height: 100px;
position: relative;
width: 100px;
}
.path {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
-webkit-animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
stroke-linecap: round;
}
#-webkit-keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#-webkit-keyframes dash {
0% {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -35;
}
100% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -124;
}
}
#keyframes dash {
0% {
stroke-dasharray: 1, 200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -35;
}
100% {
stroke-dasharray: 89, 200;
stroke-dashoffset: -124;
}
}
#-webkit-keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%,
90% {
stroke: #ffa700;
}
}
#keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%,
90% {
stroke: #ffa700;
}
}
.loader2 {
transform: scale(2.2);
}
<div class="loader">
<svg class="circular">
<circle class="path" cx="50" cy="50" r="20" fill="none" stroke-width="8" stroke-miterlimit="10" />
</svg>
</div>
<div style="margin-top: 100px;" class="loader loader2">
<svg class="circular">
<circle class="path" cx="50" cy="50" r="20" fill="none" stroke-width="8" stroke-miterlimit="10" />
</svg>
</div>
I have been trying to get an line svg animation to behave consistently cross-browser but, Internet Explorer 11 is not beginning the animation on page load.
To simplify my question I have forked an example from jczimmm
I have removed any vendor prefixes to distill the CSS into its barest form so they can be re-added if needed.
Here is the link to the fork on codepen.
Here is the svg
<div class="loader">
<svg class="circular">
<circle class="path" cx="50" cy="50" r="20" fill="none" stroke-width="2" stroke-miterlimit="10"/>
</svg>
</div>
and here is the css
body {
background-color: #eee;
}
.loader {
position: relative;
margin: 0px auto;
width: 100px;
height: 100px;
zoom: 1.7;
}
.circular {
-webkit-animation: rotate 2s linear infinite;
animation: rotate 2s linear infinite;
height: 100px;
position: relative;
width: 100px;
}
.path {
stroke-dasharray: 1,200;
stroke-dashoffset: 0;
-webkit-animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
stroke-linecap: round;
}
#-webkit-keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#keyframes rotate {
100% {
-webkit-transform: rotate(360deg);
transform: rotate(360deg);
}
}
#-webkit-keyframes dash {
0% {
stroke-dasharray: 1,200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89,200;
stroke-dashoffset: -35;
}
100% {
stroke-dasharray: 89,200;
stroke-dashoffset: -124;
}
}
#keyframes dash {
0% {
stroke-dasharray: 1,200;
stroke-dashoffset: 0;
}
50% {
stroke-dasharray: 89,200;
stroke-dashoffset: -35;
}
100% {
stroke-dasharray: 89,200;
stroke-dashoffset: -124;
}
}
#-webkit-keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%, 90% {
stroke: #ffa700;
}
}
#keyframes color {
100%, 0% {
stroke: #d62d20;
}
40% {
stroke: #0057e7;
}
66% {
stroke: #008744;
}
80%, 90% {
stroke: #ffa700;
}
}