<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Example</title>
<link rel="stylesheet" href="../css/style.css">
<script type="text/javascript" src="../../dist/paper.js"></script>
<script type="text/paperscript" canvas="canvas">
var i, text, handleInText, handleOutText, y
segmentTexts = [],
handleTexts = [],
path = new Path();
path.fullySelected = true;
function onMouseMove(event) {
var delta, i, curve, firstPoint, secondPoint,
point = event.point.clone();
// Constrain the event point, to not cut off the text:
if (point.y < 22) {
point.y = 22;
}
if (point.y > view.size.height - 24) {
point.y = view.size.height - 24;
}
delta = point - view.center;
for (i = 0; i < path.segments.length; i++) {
segmentTexts[i].point = path.segments[i].point - [0, 10];
}
for (i = 0; i < path.curves.length; i++) {
curve = path.curves[i];
curve.handle1.y = curve.handle2.y = delta.y * (i % 2 ? 1 : -1);
firstPoint = curve.point1 + curve.handle1;
secondPoint = curve.point2 + curve.handle2;
handleTexts[i * 2].point = secondPoint -
(firstPoint.y < y ? [0, 10] : [0, -18]);
handleTexts[i * 2 + 1].point = firstPoint -
(firstPoint.y < y ? [0, 10] : [0, -18]);
}
}
function onResize(event) {
var width = view.size.width,
offset = width / 30,
vector = new Point({
angle: 45,
length: width / 5
});
y = view.size.height / 2;
path.segments = [
[[offset, y], null, vector.rotate(-90)],
[[width / 2, y], vector.rotate(-180), vector],
[[width - offset, y], vector.rotate(90), null]
];
onMouseMove({
point: new Point(event.size.width, event.size.height - 24)
});
}
project.currentStyle.fillColor = 'black';
for (i = 0; i < 3; i++) {
text = new PointText();
text.content = '' + i;
text.justification = 'center';
text.fontSize = 9;
segmentTexts.push(text);
}
for (i = 0; i < 2; i++) {
handleInText = new PointText();
handleInText.content = 'handleIn';
handleInText.justification = 'center';
handleInText.fontSize = 9;
handleTexts.push(handleInText);
handleOutText = new PointText();
handleOutText.content = 'handleOut';
handleOutText.justification = 'center';
handleOutText.fontSize = 9;
handleTexts.push(handleOutText);
}
// Call onResize once to correctly position everything
onResize({
size: {
width: view.size.width,
height: view.size.height * 2 / 3
}
});
</script>
</head>
<body>
<canvas id='canvas' width=303 height=167 resize></canvas>
</body>
</html>