We would like to know how to create spin animation with origin transform.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.slices {<!-- w ww.j ava2 s . c om-->
width: 100px;
height: 100px;
position: relative;
margin-top: -31px;
margin-left: -45px;
transform-origin: right bottom;
}
#hold {
width: 112px;
height: 112px;
border-radius: 50%;
overflow: hidden;
-webkit-animation: spin 2.8s infinite steps(8);
-moz-animation: spin 2.8s infinite steps(8);
-ms-animation: spin 2.8s infinite steps(8);
-o-animation: spin 2.8s infinite steps(8);
animation: spin 2.8s infinite steps(8);
}
.slices.bar div {
width: 100%;
height: 100%;
position: absolute;
top: 35px;
left: 45px;
border-radius: 50%;
transform-origin: 56px 52px;
}
@-webkit-keyframes spin {
to {
transform: rotate(1turn);
}
}
@-moz-keyframes spin {
to {
transform: rotate(1turn);
}
}
@-ms-keyframes spin {
to {
transform: rotate(1turn);
}
}
@keyframes spin {
to {
transform: rotate(1turn);
}
}
.slices.bar div:nth-child(1) {
-webkit-transform: rotate(0deg);
transform: rotate(0deg);
background: linear-gradient(45deg, red 50%, transparent 50%) 0 0;
background-repeat: no-repeat;
background-size: 50% 50%;
}
.slices.bar div:nth-child(2) {
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
}
.slices.bar div:nth-child(3) {
-webkit-transform: rotate(90deg);
transform: rotate(90deg);
}
.slices.bar div:nth-child(4) {
-webkit-transform: rotate(135deg);
transform: rotate(135deg);
}
.slices.bar div:nth-child(5) {
-webkit-transform: rotate(180deg);
transform: rotate(180deg);
}
.slices.bar div:nth-child(6) {
-webkit-transform: rotate(225deg);
transform: rotate(225deg);
}
.slices.bar div:nth-child(7) {
-webkit-transform: rotate(270deg);
transform: rotate(270deg);
}
.slices.bar div:nth-child(8) {
-webkit-transform: rotate(315deg);
transform: rotate(315deg);
}
</style>
</head>
<body>
<div id='hold'>
<div class="slices bar">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</div>
</body>
</html>
The code above is rendered as follows: