<!DOCTYPE html>
<html>
<head>
<meta 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 path = new Path({
fullySelected: true
});
var segmentTexts = new Layer();
for (var i = 0; i < 3; i++) {
new PointText({
content: i,
justification: 'center',
fontSize: 12
});
}
var handleTexts = new Layer();
for (var i = 0; i < 2; i++) {
new PointText({
content: 'handleIn',
justification: 'center',
fontSize: 12
});
new PointText({
content: 'handleOut',
justification: 'center',
fontSize: 12
});
}
function onResize() {
var width = view.size.width;
var offset = width / 30;
var vector = new Point({
angle: 45,
length: width / 5
});
var yMiddle = view.size.height / 2;
path.segments = [
{
point: [offset, yMiddle],
handleIn: null,
handleOut: vector.rotate(-90)
},
{
point: [width / 2, yMiddle],
handleIn: vector.rotate(-180),
handleOut: vector
},
{
point: [width - offset, yMiddle],
handleIn: vector.rotate(90),
handleOut: null
}
];
for (var i = 0; i < path.segments.length; i++) {
var point = path.segments[i].point;
segmentTexts.children[i].point = point - [0, 10];
}
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.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 yMiddle = view.size.height / 2;
var offset = (firstPoint.y < yMiddle ? [0, 10] : [0, -18]);
handleTexts.children[i * 2].point = secondPoint - offset;
handleTexts.children[i * 2 + 1].point = firstPoint - offset;
}
}
</script>
</head>
<body>
<canvas id='canvas' resize></canvas>
</body>
</html>