https://roughjs.com/ se inspiro en el handy render del giCentre https://www.gicentre.net/handy/
<html>
<head>
<title>RoughJS Basic Showcase</title>
<script src="https://cdn.rawgit.com/pshihn/rough/9be60b1e/dist/rough.min.js"></script>
</head>
<body>
<h1>RoughJS Basic Showcase</h1>
<canvas id="canvas" width="800" height="600"></canvas>
<script>
const rc = rough.canvas(document.getElementById('canvas'));
rc.line(0, 0, 800, 600);
rc.line(0, 600, 800, 0);
// line and rectangles
rc.line(60, 60, 190, 60);
rc.rectangle(10, 10, 100, 100);
rc.rectangle(140, 10, 100, 100, {
fill: 'rgba(255,0,0,0.2)',
fillStyle: 'solid',
roughness: 2
});
rc.rectangle(10, 130, 100, 100, {
fill: 'red',
stroke: 'blue',
hachureAngle: 60,
hachureGap: 10,
fillWeight: 5,
strokeWidth: 5
});
// ellipses and circles
rc.ellipse(350, 50, 150, 80);
rc.ellipse(610, 50, 150, 80, {
fill: 'blue'
});
rc.circle(480, 50, 80, {
stroke: 'red', strokeWidth: 2,
fill: 'rgba(0,255,0,0.3)', fillStyle: 'solid'
});
// Polygons
rc.linearPath([[690, 10], [790, 20], [750, 120], [690, 100]], {
roughness: 0.7,
stroke: 'red', strokeWidth: 4
});
rc.polygon([[690, 130], [790, 140], [750, 240], [690, 220]]);
rc.polygon([[690, 250], [790, 260], [750, 360], [690, 340]], {
stroke: 'red', strokeWidth: 4,
fill: 'rgba(0,0,255,0.2)', fillStyle: 'solid'
});
rc.polygon([[690, 370], [790, 385], [750, 480], [690, 460]], {
stroke: 'red',
hachureAngle: 65,
fill: 'rgba(0,0,255,0.6)'
});
// Arcs
rc.arc(350, 200, 200, 180, Math.PI, Math.PI * 1.6);
rc.arc(350, 300, 200, 180, Math.PI, Math.PI * 1.6, true);
rc.arc(350, 300, 200, 180, 0, Math.PI / 2, true, {
stroke: 'red', strokeWidth: 4,
fill: 'rgba(255,255,0,0.4)', fillStyle: 'solid'
});
rc.arc(350, 300, 200, 180, Math.PI / 2, Math.PI, true, {
stroke: 'blue', strokeWidth: 2,
fill: 'rgba(255,0,255,0.4)'
});
// draw sine curve
let points = [];
for (let i = 0; i < 20; i++) {
let x = (400 / 20) * i + 10;
let xdeg = (Math.PI / 100) * x;
let y = Math.round(Math.sin(xdeg) * 90) + 500;
points.push([x, y]);
}
rc.curve(points, {
roughness: 1.2, stroke: 'red', strokeWidth: 1
});
</script>
</body>
</html>