Prebuilt module for commit c235d6a917

dist/docs/assets/js/paper.js

@@ -9,7 +9,7 @@
  *
  * All rights reserved.
  *
- * Date: Thu Oct 4 17:26:48 2018 +0200
+ * Date: Fri Oct 5 09:44:42 2018 +0200
  *
  ***
  *
@@ -6629,6 +6629,15 @@ statics: {
 
 	getParameterAt: '#getTimeAt',
 
+	getTimesWithTangent: function () {
+		var vector = Point.read(arguments);
+		if (vector.isZero()) {
+			return [];
+		}
+
+		return Curve.getTimesWithTangent(this.getValues(), vector);
+	},
+
 	getOffsetAtTime: function(t) {
 		return this.getPartLength(0, t);
 	},
@@ -7298,6 +7307,45 @@ new function() {
 		return pairs;
 	}
 
+	function getTimesWithTangent(v, point) {
+		var x0 = v[0], y0 = v[1],
+			x1 = v[2], y1 = v[3],
+			x2 = v[4], y2 = v[5],
+			x3 = v[6], y3 = v[7],
+			normalized = point.normalize(),
+			tx = normalized.x,
+			ty = normalized.y,
+			ax = 3 * x3 - 9 * x2 + 9 * x1 - 3 * x0,
+			ay = 3 * y3 - 9 * y2 + 9 * y1 - 3 * y0,
+			bx = 6 * x2 - 12 * x1 + 6 * x0,
+			by = 6 * y2 - 12 * y1 + 6 * y0,
+			cx = 3 * x1 - 3 * x0,
+			cy = 3 * y1 - 3 * y0,
+			den = 2 * ax * ty - 2 * ay * tx,
+			times = [];
+		if (Math.abs(den) < Numerical.CURVETIME_EPSILON) {
+			var num = ax * cy - ay * cx;
+			var den = ax * by - ay * bx;
+			if (den != 0) {
+				var t = -num / den;
+				if (t >= 0 && t <= 1) times.push(t);
+			}
+		} else {
+			var delta = (bx * bx - 4 * ax * cx) * ty * ty +
+				(-2 * bx * by + 4 * ay * cx + 4 * ax * cy) * tx * ty +
+				(by * by - 4 * ay * cy) * tx * tx;
+			var k = bx * ty - by * tx;
+			if (delta >= 0 && den != 0) {
+				var d = Math.sqrt(delta);
+				var t0 = -(k + d) / den;
+				var t1 = (-k + d) / den;
+				if (t0 >= 0 && t0 <= 1) times.push(t0);
+				if (t1 >= 0 && t1 <= 1) times.push(t1);
+			}
+		}
+		return times;
+	}
+
 	return {
 		getIntersections: function(curve) {
 			var v1 = this.getValues(),
@@ -7309,7 +7357,8 @@ new function() {
 		statics: {
 			getOverlaps: getOverlaps,
 			getIntersections: getIntersections,
-			getCurveLineIntersections: getCurveLineIntersections
+			getCurveLineIntersections: getCurveLineIntersections,
+			getTimesWithTangent: getTimesWithTangent
 		}
 	};
 });
@@ -8914,8 +8963,30 @@ var Path = PathItem.extend({
 			return offset;
 		}
 		return null;
-	}
+	},
 
+	getOffsetsWithTangent: function() {
+		var tangent = Point.read(arguments);
+		if (tangent.isZero()) {
+			return [];
+		}
+
+		var offsets = [];
+		var offsetBeforeCurve = 0;
+		var curves = this.getCurves();
+		for (var i = 0; i < curves.length; i++) {
+			var curve = curves[i];
+			var curveTimes = curve.getTimesWithTangent(tangent);
+			for (var j = 0; j < curveTimes.length; j++) {
+				var offset = offsetBeforeCurve + curve.getOffsetAtTime(curveTimes[j]);
+				if (offsets.indexOf(offset) < 0) {
+					offsets.push(offset);
+				}
+			}
+			offsetBeforeCurve += curve.length;
+		}
+		return offsets;
+	}
 }),
 new function() {
 

dist/docs/classes/Curve.html

@@ -1481,6 +1481,47 @@
 
 	
 	
+</div>
+</div>
+</div>
+
+	
+<div id="gettimeswithtangent-tangent" class="member">
+<div class="member-link">
+<a name="gettimeswithtangent-tangent" href="#gettimeswithtangent-tangent"><tt><b>getTimesWithTangent</b>(tangent)</tt></a>
+</div>
+<div class="member-description hidden">
+<div class="member-text">
+	<p>Calculates the curve-time parameters where the curve is tangential to provided tangent. Note that tangents at the start or end are included.</p>
+    
+	
+<ul class="member-list">
+	<h4>Parameters:</h4>
+	
+	<li>
+<tt>tangent:</tt> 
+<a href="../classes/Point.html"><tt>Point</tt></a>
+&mdash;&nbsp;the tangent to which the curve must be tangential
+
+</li>
+	
+</ul>
+
+	
+	<ul class="member-list">
+		<h4>Returns:</h4>
+		
+			<li>
+<tt>Array of <tt>Number</tt>s</tt>&nbsp;&mdash;&nbsp;at most two curve-time parameters, where the curve is tangential to the given tangent
+</li>
+
+		
+	</ul>
+
+
+
+	
+	
 </div>
 </div>
 </div>

dist/docs/classes/Path.html

@@ -3283,6 +3283,47 @@ for (var i = 0; i < amount + 1; i++) {
 
 	
 	
+</div>
+</div>
+</div>
+
+	
+<div id="getoffsetswithtangent-tangent" class="member">
+<div class="member-link">
+<a name="getoffsetswithtangent-tangent" href="#getoffsetswithtangent-tangent"><tt><b>getOffsetsWithTangent</b>(tangent)</tt></a>
+</div>
+<div class="member-description hidden">
+<div class="member-text">
+	<p>Calculates path offsets where the path is tangential to provided tangent. Note that tangent at start or end are included. Tangent at segment point is returned even if only one of its handles is collinear with the provided tangent.</p>
+    
+	
+<ul class="member-list">
+	<h4>Parameters:</h4>
+	
+	<li>
+<tt>tangent:</tt> 
+<a href="../classes/Point.html"><tt>Point</tt></a>
+&mdash;&nbsp;the tangent to which the path must be tangential
+
+</li>
+	
+</ul>
+
+	
+	<ul class="member-list">
+		<h4>Returns:</h4>
+		
+			<li>
+<tt>Array of <tt>Number</tt>s</tt>&nbsp;&mdash;&nbsp;path offsets where the path is tangential to the provided tangent
+</li>
+
+		
+	</ul>
+
+
+
+	
+	
 </div>
 </div>
 </div>

dist/paper-core.js

@@ -9,7 +9,7 @@
  *
  * All rights reserved.
  *
- * Date: Thu Oct 4 17:26:48 2018 +0200
+ * Date: Fri Oct 5 09:44:42 2018 +0200
  *
  ***
  *
@@ -6629,6 +6629,15 @@ statics: {
 
 	getParameterAt: '#getTimeAt',
 
+	getTimesWithTangent: function () {
+		var vector = Point.read(arguments);
+		if (vector.isZero()) {
+			return [];
+		}
+
+		return Curve.getTimesWithTangent(this.getValues(), vector);
+	},
+
 	getOffsetAtTime: function(t) {
 		return this.getPartLength(0, t);
 	},
@@ -7298,6 +7307,45 @@ new function() {
 		return pairs;
 	}
 
+	function getTimesWithTangent(v, point) {
+		var x0 = v[0], y0 = v[1],
+			x1 = v[2], y1 = v[3],
+			x2 = v[4], y2 = v[5],
+			x3 = v[6], y3 = v[7],
+			normalized = point.normalize(),
+			tx = normalized.x,
+			ty = normalized.y,
+			ax = 3 * x3 - 9 * x2 + 9 * x1 - 3 * x0,
+			ay = 3 * y3 - 9 * y2 + 9 * y1 - 3 * y0,
+			bx = 6 * x2 - 12 * x1 + 6 * x0,
+			by = 6 * y2 - 12 * y1 + 6 * y0,
+			cx = 3 * x1 - 3 * x0,
+			cy = 3 * y1 - 3 * y0,
+			den = 2 * ax * ty - 2 * ay * tx,
+			times = [];
+		if (Math.abs(den) < Numerical.CURVETIME_EPSILON) {
+			var num = ax * cy - ay * cx;
+			var den = ax * by - ay * bx;
+			if (den != 0) {
+				var t = -num / den;
+				if (t >= 0 && t <= 1) times.push(t);
+			}
+		} else {
+			var delta = (bx * bx - 4 * ax * cx) * ty * ty +
+				(-2 * bx * by + 4 * ay * cx + 4 * ax * cy) * tx * ty +
+				(by * by - 4 * ay * cy) * tx * tx;
+			var k = bx * ty - by * tx;
+			if (delta >= 0 && den != 0) {
+				var d = Math.sqrt(delta);
+				var t0 = -(k + d) / den;
+				var t1 = (-k + d) / den;
+				if (t0 >= 0 && t0 <= 1) times.push(t0);
+				if (t1 >= 0 && t1 <= 1) times.push(t1);
+			}
+		}
+		return times;
+	}
+
 	return {
 		getIntersections: function(curve) {
 			var v1 = this.getValues(),
@@ -7309,7 +7357,8 @@ new function() {
 		statics: {
 			getOverlaps: getOverlaps,
 			getIntersections: getIntersections,
-			getCurveLineIntersections: getCurveLineIntersections
+			getCurveLineIntersections: getCurveLineIntersections,
+			getTimesWithTangent: getTimesWithTangent
 		}
 	};
 });
@@ -8914,8 +8963,30 @@ var Path = PathItem.extend({
 			return offset;
 		}
 		return null;
-	}
+	},
 
+	getOffsetsWithTangent: function() {
+		var tangent = Point.read(arguments);
+		if (tangent.isZero()) {
+			return [];
+		}
+
+		var offsets = [];
+		var offsetBeforeCurve = 0;
+		var curves = this.getCurves();
+		for (var i = 0; i < curves.length; i++) {
+			var curve = curves[i];
+			var curveTimes = curve.getTimesWithTangent(tangent);
+			for (var j = 0; j < curveTimes.length; j++) {
+				var offset = offsetBeforeCurve + curve.getOffsetAtTime(curveTimes[j]);
+				if (offsets.indexOf(offset) < 0) {
+					offsets.push(offset);
+				}
+			}
+			offsetBeforeCurve += curve.length;
+		}
+		return offsets;
+	}
 }),
 new function() {
 

dist/paper-full.js

@@ -9,7 +9,7 @@
  *
  * All rights reserved.
  *
- * Date: Thu Oct 4 17:26:48 2018 +0200
+ * Date: Fri Oct 5 09:44:42 2018 +0200
  *
  ***
  *
@@ -6629,6 +6629,15 @@ statics: {
 
 	getParameterAt: '#getTimeAt',
 
+	getTimesWithTangent: function () {
+		var vector = Point.read(arguments);
+		if (vector.isZero()) {
+			return [];
+		}
+
+		return Curve.getTimesWithTangent(this.getValues(), vector);
+	},
+
 	getOffsetAtTime: function(t) {
 		return this.getPartLength(0, t);
 	},
@@ -7298,6 +7307,45 @@ new function() {
 		return pairs;
 	}
 
+	function getTimesWithTangent(v, point) {
+		var x0 = v[0], y0 = v[1],
+			x1 = v[2], y1 = v[3],
+			x2 = v[4], y2 = v[5],
+			x3 = v[6], y3 = v[7],
+			normalized = point.normalize(),
+			tx = normalized.x,
+			ty = normalized.y,
+			ax = 3 * x3 - 9 * x2 + 9 * x1 - 3 * x0,
+			ay = 3 * y3 - 9 * y2 + 9 * y1 - 3 * y0,
+			bx = 6 * x2 - 12 * x1 + 6 * x0,
+			by = 6 * y2 - 12 * y1 + 6 * y0,
+			cx = 3 * x1 - 3 * x0,
+			cy = 3 * y1 - 3 * y0,
+			den = 2 * ax * ty - 2 * ay * tx,
+			times = [];
+		if (Math.abs(den) < Numerical.CURVETIME_EPSILON) {
+			var num = ax * cy - ay * cx;
+			var den = ax * by - ay * bx;
+			if (den != 0) {
+				var t = -num / den;
+				if (t >= 0 && t <= 1) times.push(t);
+			}
+		} else {
+			var delta = (bx * bx - 4 * ax * cx) * ty * ty +
+				(-2 * bx * by + 4 * ay * cx + 4 * ax * cy) * tx * ty +
+				(by * by - 4 * ay * cy) * tx * tx;
+			var k = bx * ty - by * tx;
+			if (delta >= 0 && den != 0) {
+				var d = Math.sqrt(delta);
+				var t0 = -(k + d) / den;
+				var t1 = (-k + d) / den;
+				if (t0 >= 0 && t0 <= 1) times.push(t0);
+				if (t1 >= 0 && t1 <= 1) times.push(t1);
+			}
+		}
+		return times;
+	}
+
 	return {
 		getIntersections: function(curve) {
 			var v1 = this.getValues(),
@@ -7309,7 +7357,8 @@ new function() {
 		statics: {
 			getOverlaps: getOverlaps,
 			getIntersections: getIntersections,
-			getCurveLineIntersections: getCurveLineIntersections
+			getCurveLineIntersections: getCurveLineIntersections,
+			getTimesWithTangent: getTimesWithTangent
 		}
 	};
 });
@@ -8914,8 +8963,30 @@ var Path = PathItem.extend({
 			return offset;
 		}
 		return null;
-	}
+	},
 
+	getOffsetsWithTangent: function() {
+		var tangent = Point.read(arguments);
+		if (tangent.isZero()) {
+			return [];
+		}
+
+		var offsets = [];
+		var offsetBeforeCurve = 0;
+		var curves = this.getCurves();
+		for (var i = 0; i < curves.length; i++) {
+			var curve = curves[i];
+			var curveTimes = curve.getTimesWithTangent(tangent);
+			for (var j = 0; j < curveTimes.length; j++) {
+				var offset = offsetBeforeCurve + curve.getOffsetAtTime(curveTimes[j]);
+				if (offsets.indexOf(offset) < 0) {
+					offsets.push(offset);
+				}
+			}
+			offsetBeforeCurve += curve.length;
+		}
+		return offsets;
+	}
 }),
 new function() {
 

package-lock.json

@@ -4936,9 +4936,9 @@
       "dev": true
     },
     "spdx-correct": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.1.tgz",
-      "integrity": "sha512-hxSPZbRZvSDuOvADntOElzJpenIR7wXJkuoUcUtS0erbgt2fgeaoPIYretfKpslMhfFDY4k0MZ2F5CUzhBsSvQ==",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.2.tgz",
+      "integrity": "sha512-q9hedtzyXHr5S0A1vEPoK/7l8NpfkFYTq6iCY+Pno2ZbdZR6WexZFtqeVGkGxW3TEJMN914Z55EnAGMmenlIQQ==",
       "dev": true,
       "requires": {
         "spdx-expression-parse": "^3.0.0",