garciadelcastillo/index.html

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<html>
  <head>
    <link rel="stylesheet" type="text/css" href="styles.css">
  </head>
  <body>
    <div id="sketchpadDiv">
      <canvas id="sketchpadCanvas"></canvas>
    </div>
  </body>
  <script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
  <script type="text/javascript" src="http://www.garciadelcastillo.es/sketchpad/sketchpad.js"></script>
  <script type="text/javascript" src="sketch.js"></script>
</html>

## sketch.js
// Create new instance of Sketchpad in target Canvas
var pad = new Sketchpad('sketchpadCanvas');

// Create a Line between two Nodes, and two nested Circles
var A = new pad.Node(160, 120),
    B = new pad.Node(480, 120),
    AB = pad.Line.between(A, B);

var C = pad.Point.along(AB, 0.75),
    circleC = pad.Circle.centerRadius(C, 51);

var D = pad.Point.along(circleC, 0.25),
    circleD = pad.Circle.centerRadius(D, 26);

// Now create the same setup, using Node elements as anchors instead
var M = new pad.Node(160, 280),
    N = new pad.Node(480, 280),
    MN = pad.Line.between(M, N);

var O = pad.Node.along(MN, 0.75, {clamp: true}),
    circleO = pad.Circle.centerRadius(O, 51);

var P = pad.Node.along(circleO, 0.25),
    circleP = pad.Circle.centerRadius(P, 26);

// Display Tags only on Node elements
pad.tagNodes();

## styles.css
body {
  margin: 0;
  padding: 0;
}

#sketchpadDiv {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid #000;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

#sketchpadCanvas {
  position: absolute;
}
	<!DOCTYPE html>
	<meta charset="utf-8">
	<html>
	<head>
	<link rel="stylesheet" type="text/css" href="styles.css">
	</head>
	<body>
	<div id="sketchpadDiv">
	<canvas id="sketchpadCanvas"></canvas>
	</div>
	</body>
	<script type="text/javascript" src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
	<script type="text/javascript" src="http://www.garciadelcastillo.es/sketchpad/sketchpad.js"></script>
	<script type="text/javascript" src="sketch.js"></script>
	</html>
	// Create new instance of Sketchpad in target Canvas
	var pad = new Sketchpad('sketchpadCanvas');

	// Create a Line between two Nodes, and two nested Circles
	var A = new pad.Node(160, 120),
	B = new pad.Node(480, 120),
	AB = pad.Line.between(A, B);

	var C = pad.Point.along(AB, 0.75),
	circleC = pad.Circle.centerRadius(C, 51);

	var D = pad.Point.along(circleC, 0.25),
	circleD = pad.Circle.centerRadius(D, 26);

	// Now create the same setup, using Node elements as anchors instead
	var M = new pad.Node(160, 280),
	N = new pad.Node(480, 280),
	MN = pad.Line.between(M, N);

	var O = pad.Node.along(MN, 0.75, {clamp: true}),
	circleO = pad.Circle.centerRadius(O, 51);

	var P = pad.Node.along(circleO, 0.25),
	circleP = pad.Circle.centerRadius(P, 26);

	// Display Tags only on Node elements
	pad.tagNodes();
	body {
	margin: 0;
	padding: 0;
	}

	#sketchpadDiv {
	position: absolute;
	width: 100%;
	height: 100%;
	border: 1px solid #000;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	}

	#sketchpadCanvas {
	position: absolute;
	}