<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Path Structure</title>
<link rel="stylesheet" href="../css/style.css">
<script type="text/javascript" src="../../dist/paper.js"></script>
<script type="text/paperscript" canvas="canvas">
var yMiddle;
var segmentTexts = [];
var handleTexts = [];
var path = new Path();
path.fullySelected = true;
for (var i = 0; i < 3; i++) {
var text = new PointText();
text.content = i;
text.justification = 'center';
text.fontSize = 12;
segmentTexts.push(text);
}
for (var i = 0; i < 2; i++) {
var handleInText = new PointText();
handleInText.content = 'handleIn';
handleInText.justification = 'center';
handleInText.fontSize = 12;
handleTexts.push(handleInText);
var handleOutText = handleInText.clone();
handleOutText.content = 'handleOut';
handleTexts.push(handleOutText);
}
function onResize() {
var width = view.size.width;
var offset = width / 30;
var vector = new Point({
angle: 45,
length: width / 5
});
yMiddle = view.size.height / 2;
path.segments = [
[[offset, yMiddle], null, vector.rotate(-90)],
[[width / 2, yMiddle], vector.rotate(-180), vector],
[[width - offset, yMiddle], vector.rotate(90), null]
];
onMouseMove({
point: view.bounds.bottomRight
});
}
function onMouseMove(event) {
var 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;
}
var delta = point - view.center;
for (var i = 0; i < path.segments.length; i++) {
segmentTexts[i].point = path.segments[i].point - [0, 10];
}
for (var i = 0; i < path.curves.length; i++) {
var curve = path.curves[i];
curve.handle1.y = curve.handle2.y = delta.y * (i % 2 ? 1 : -1);
var firstPoint = curve.point1 + curve.handle1;
var secondPoint = curve.point2 + curve.handle2;
var offset = (firstPoint.y < yMiddle ? [0, 10] : [0, -18]);
handleTexts[i * 2].point = secondPoint - offset;
handleTexts[i * 2 + 1].point = firstPoint - offset;
}
}
</script>
</head>
<body>
<canvas id='canvas' resize></canvas>
</body>
</html>