X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fprofile.cpp;h=907da8adf791fb12a068dc3a318e13dde108429b;hb=b78b49d85fbb9b2901c77e6450cfd41c0a818ac1;hp=2741cac2958c3a848ba39b48aa7ba304b72289da;hpb=d15ac13f2e170f155b4bbd124df48400c339b644;p=r2c2.git

diff --git a/source/libr2c2/profile.cpp b/source/libr2c2/profile.cpp
index 2741cac..907da8a 100644
--- a/source/libr2c2/profile.cpp
+++ b/source/libr2c2/profile.cpp
@@ -17,20 +17,16 @@ void Profile::append_vertex(const Vector &p, bool smooth)
 
 	if(!vertices.empty())
 	{
-		float dx = p.x-vertices.back().pos.x;
-		float dy = p.y-vertices.back().pos.y;
-		float len = sqrt(dx*dx+dy*dy);
-		v.normal.x = dy/len;
-		v.normal.y = -dx/len;
+		Vector span = p-vertices.back().pos;
+		span.normalize();
+		v.normal.x = span.y;
+		v.normal.y = -span.x;
 
 		if(vertices.back().smooth)
 		{
 			Vector &n = vertices.back().normal;
-			n.x += v.normal.x;
-			n.y += v.normal.y;
-			len = sqrt(n.x*n.x+n.y*n.y);
-			n.x /= len;
-			n.y /= len;
+			n += v.normal;
+			n.normalize();
 		}
 		else
 			vertices.back().normal = v.normal;
@@ -55,7 +51,7 @@ void Profile::append_vertex(const Vector &p, bool smooth)
 const Profile::Vertex &Profile::get_vertex(unsigned i) const
 {
 	if(i>=vertices.size())
-		throw InvalidParameterValue("Index out of range");
+		throw out_of_range("Profile::get_vertex");
 	return vertices[i];
 }
 
@@ -69,12 +65,12 @@ Profile::Loader::Loader(Profile &p):
 
 void Profile::Loader::point(float x, float y)
 {
-	obj.append_vertex(Vector(x/1000, y/1000), false);
+	obj.append_vertex(Vector(x/1000, y/1000, 0), false);
 }
 
 void Profile::Loader::smooth_point(float x, float y)
 {
-	obj.append_vertex(Vector(x/1000, y/1000), true);
+	obj.append_vertex(Vector(x/1000, y/1000, 0), true);
 }
 
 } // namespace R2C2