<div class="hexagone" style="--path:25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%"></div>
<div class="triangle" style="--path:50% 0%, 0% 100%, 100% 100%;background:url(https://picsum.photos/id/1061/300/300) center/cover;"></div>
<div class="star" style="--path:50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%;background:gold"></div>
<div class="arrow" style="--path:40% 0%, 40% 35%, 100% 35%, 100% 65%, 40% 65%, 40% 100%, 0% 50%;background:green"></div>
<div class="custom" style="--path:50% 0%, 50% 50%, 100% 60%, 75% 100%, 25% 100%, 0% 60%, 10% 20%;background: conic-gradient(at 53% 47%, orange,pink,purple);"></div>
<script>
if (CSS.paintWorklet) { CSS.paintWorklet.addModule('/t_afif/pen/abwMZEK.js');
} else {
alert("Your browser cannot run this demo. Consider Chrome or Edge instead")
}
</script>
@property --radius{
syntax: '<length>';
inherits: true;
initial-value: 0;
}
div[class] {
display:inline-block;
width:150px;
cursor:pointer;
background:red;
margin:20px;
--radius:5px;
transition:--radius 1s;
-webkit-mask:paint(rounded-shape);
}
div[class]:hover {
--radius:80px;
}
div[class]::before {
content:"";
display:block;
}
.hexagone::before,
.triangle::before{
padding-top:86.6%;
}
.star::before,
.custom::before{
padding-top:100%;
}
.arrow::before {
padding-top:70%;
}
registerPaint('rounded-shape', class {
static get inputProperties() {
return [
'--path',
'--radius',
'--border',
'--dash'
]
}
paint(ctx, size, properties) {
const points = properties.get('--path').toString().split(',');
var Ppoints = [];
var Cpoints = [];
const r = parseFloat(properties.get('--radius').value);
const w = size.width;
const h = size.height;
const cc = function(x,y) {
var fx=0,fy=0;
if (x.indexOf('calc') > -1) {
var tmp = x.replace('calc(','').replace(')','');
if (tmp.indexOf('+') > -1) {
tmp = tmp.split('+');
fx = (parseFloat(tmp[0])/100)*w + parseFloat(tmp[1]);
} else {
tmp = tmp.split('-');
fx = (parseFloat(tmp[0])/100)*w - parseFloat(tmp[1]);
}
} else if (x.indexOf('%') > -1) {
fx = (parseFloat(x)/100)*w;
} else if(x.indexOf('px') > -1) {
fx = parseFloat(x);
}
if (y.indexOf('calc') > -1) {
var tmp = y.replace('calc(','').replace(')','');
if (tmp.indexOf('+') > -1) {
tmp = tmp.split('+');
fy = (parseFloat(tmp[0])/100)*h + parseFloat(tmp[1]);
} else {
tmp = tmp.split('-');
fy = (parseFloat(tmp[0])/100)*h - parseFloat(tmp[1]);
}
} else if (y.indexOf('%') > -1) {
fy = (parseFloat(y)/100)*h;
} else if(y.indexOf('px') > -1) {
fy = parseFloat(y);
}
return [fx,fy];
}
var N = points.length;
for (var i = 0; i < N; i++) {
var j = i-1;
if(j<0) j=N-1;
var p = points[i].trim().split(/(?!\(.*)\s(?![^(]*?\))/g);
p = cc(p[0],p[1]);
Ppoints.push([p[0],p[1]]);
var pj = points[j].trim().split(/(?!\(.*)\s(?![^(]*?\))/g);
pj = cc(pj[0],pj[1]);
Cpoints.push([p[0]-((p[0]-pj[0])/2),p[1]-((p[1]-pj[1])/2)]);
}
ctx.beginPath();
ctx.moveTo(Cpoints[0][0],Cpoints[0][1]);
var i;
var rr;
for (i = 0; i < (Cpoints.length - 1); i++) {
var angle = Math.atan2(Cpoints[i+1][1] - Ppoints[i][1],
Cpoints[i+1][0] - Ppoints[i][0]) -
Math.atan2(Cpoints[i][1] - Ppoints[i][1],
Cpoints[i][0] - Ppoints[i][0]);
if (angle < 0) {
angle += (2*Math.PI)
}
if (angle > Math.PI) {
angle = 2*Math.PI - angle
}
var distance = Math.min(Math.sqrt((Cpoints[i+1][1] - Ppoints[i][1]) ** 2 +
(Cpoints[i+1][0] - Ppoints[i][0]) ** 2),
Math.sqrt((Cpoints[i][1] - Ppoints[i][1]) ** 2 +
(Cpoints[i][0] - Ppoints[i][0]) ** 2));
rr = Math.min(distance * Math.tan(angle/2),r);
ctx.arcTo(Ppoints[i][0], Ppoints[i][1], Cpoints[i+1][0],Cpoints[i+1][1], rr);
}
var angle = Math.atan2(Cpoints[0][1] - Ppoints[i][1],
Cpoints[0][0] - Ppoints[i][0]) -
Math.atan2(Cpoints[i][1] - Ppoints[i][1],
Cpoints[i][0] - Ppoints[i][0]);
if (angle < 0) {
angle += (2*Math.PI)
}
if (angle > Math.PI) {
angle = 2*Math.PI - angle
}
var distance = Math.min(Math.sqrt((Cpoints[0][1] - Ppoints[i][1]) ** 2 +
(Cpoints[0][0] - Ppoints[i][0]) ** 2),
Math.sqrt((Cpoints[i][1] - Ppoints[i][1]) ** 2 +
(Cpoints[i][0] - Ppoints[i][0]) ** 2));
rr = Math.min(distance * Math.tan(angle/2),r);
ctx.arcTo(Ppoints[i][0], Ppoints[i][1], Cpoints[0][0],Cpoints[0][1], rr);
ctx.closePath();
ctx.fillStyle = '#000';
ctx.fill();
}
})
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.