From 06f738d4dbf892143e35c49ad3661cf95206c107 Mon Sep 17 00:00:00 2001
From: Jonathan Puckey <me@jonathanpuckey.com>
Date: Mon, 16 May 2011 15:26:07 +0200
Subject: [PATCH] Add PathStructure example to Scripts.

---
 examples/Scripts/PathStructure.html | 74 +++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 examples/Scripts/PathStructure.html
diff --git a/examples/Scripts/PathStructure.html b/examples/Scripts/PathStructure.html
new file mode 100644
index 00000000..ee6ddb18
--- /dev/null
+++ b/examples/Scripts/PathStructure.html
@@ -0,0 +1,74 @@
+<!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">var root = '../../'</script>
+	<script type="text/javascript" src="../../src/load.js"></script>
+	<script type="text/paperscript" canvas="canvas">
+	var y = view.size.height / 2;
+	var width = view.size.width;
+	var vector = new Point({
+	    angle: 45,
+	    length: width / 5
+	});
+	var offset = width / 30;
+	var handleTexts = [];
+	var path = new Path();
+	path.segments = [
+		[[offset, y], null, vector.rotate(-90)],
+		[[width / 2, y], vector.rotate(-180), vector],
+		[[width - offset, y], vector.rotate(90), null]
+	];
+	path.selected = true;
+
+	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 < 2; 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;
+			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]);
+		}
+	}
+	
+	project.currentStyle.fillColor = 'black';
+	for (var i = 0; i < 3; i++) {
+		var segment = path.segments[i];
+		var text = new PointText(segment.point - [0, 10]);
+		text.content = i;
+		text.paragraphStyle.justification = 'center';
+	}
+	
+	for (var i = 0; i < 2; i++) {
+		var handleInText = new PointText();
+		handleInText.content = 'handleIn';
+		handleInText.paragraphStyle.justification = 'center';
+		handleInText.characterStyle.fontSize = 9;
+		handleTexts.push(handleInText);
+
+		var handleOutText = new PointText();
+		handleOutText.content = 'handleOut';
+		handleOutText.paragraphStyle.justification = 'center';
+		handleOutText.characterStyle.fontSize = 9;
+		handleTexts.push(handleOutText);
+	}
+	
+	// Call onMouseMove once to correctly position the text items:
+	onMouseMove({ point: view.center - vector.rotate(-90) });
+	</script>
+</head>
+<body>
+	<canvas id='canvas' width=303 height=167 resize></canvas>
+</body>
\ No newline at end of file
