Merge remote branch 'origin/master'

src/basic/Point.js

@@ -353,15 +353,25 @@ var Point = this.Point = Base.extend({
 	},
 
 	/**
-	 * Checks if the vector represented by this point is parallel (collinear) to
+	 * Checks if the vector represented by this point is colinear (parallel) to
 	 * another vector.
 	 * 
 	 * @param point the vector to check against
 	 * @return {@true if it is parallel}
 	 */
-	isParallel: function(point) {
+	isColinear: function(point) {
-		// TODO: Tolerance seems rather high!
+		return this.cross(point) < Numerical.TOLERANCE;
-		return Math.abs(this.x / point.x - this.y / point.y) < 0.00001;
+	},
+
+	/**
+	 * Checks if the vector represented by this point is orthogonal
+	 * (perpendicular) to another vector.
+	 * 
+	 * @param point the vector to check against
+	 * @return {@true if it is orthogonal}
+	 */
+	isOrthogonal: function(point) {
+		return this.dot(point) < Numerical.TOLERANCE;
 	},
 
 	/**

src/path/Path.js

@@ -107,24 +107,19 @@ var Path = this.Path = PathItem.extend({
 		segment = Segment.read(arguments, 1);
 		return segment ? this._add(segment, index) : null;
 	},
+
+	// TODO: Port back to Sg
+	removeSegment: function(index) {
+		var segment = this._segments[index]
+		return segment && segment.remove() ? segment : null;
+	},
 	
-	remove: function() {
+	// TODO: Port back to Sg
-		if (!arguments.length) {
+	removeSegments: function(from, to) {
-			// remove()
+		var i = Base.pick(to, this._segments.length - 1),
-			this.base();
+			from = from || 0;
-		} else if (arguments.length == 1) {
+		while (i >= from)
-			if (arguments[0].point) {
+			this.removeSegment(i--);
-				// remove(segment)
-				arguments[0].remove();
-			} else {
-				// remove(index)
-				this._segments[arguments[0]].remove();
-			}
-		} else {
-			// remove(fromIndex, toIndex)
-			for(var i = arguments[1], l = arguments[0]; i >= l; i--)
-				this._segments[i].remove();
-		}
 	},
 	
 	isSelected: function() {

src/path/Segment.js

@@ -208,8 +208,10 @@ var Segment = this.Segment = Base.extend({
 	remove: function() {
 		if (this._path) {
 			this._path._segments.splice(this.getIndex(), 1);
-			if (this.isSelected())
+			if (this._selectionState) {
 				this._path._selectedSegmentCount--;
+				this._selectionState = 0;
+			}
 			return true;
 		}
 		return false;

test/tests/Path.js

@@ -63,13 +63,13 @@ test('path.remove()', function() {
 	path.add(20, 0);
 	path.add(30, 0);
 	
-	path.remove(0);
+	path.removeSegment(0);
 	equals(path.segments.length, 3);
 
-	path.remove(path.segments[0]);
+	path.removeSegment(0);
 	equals(path.segments.length, 2);
 
-	path.remove(0, 1);
+	path.removeSegments(0, 1);
 	equals(path.segments.length, 0);
 
 	path.remove();