X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fprofile.cpp;h=907da8adf791fb12a068dc3a318e13dde108429b;hb=b78b49d85fbb9b2901c77e6450cfd41c0a818ac1;hp=b44ee3606c6018ccf9918e9d4b32cfe263c12488;hpb=1ff06c5bc46a677fa389ef86c6b26664368f1653;p=r2c2.git

diff --git a/source/libr2c2/profile.cpp b/source/libr2c2/profile.cpp
index b44ee36..907da8a 100644
--- a/source/libr2c2/profile.cpp
+++ b/source/libr2c2/profile.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of R²C²
-Copyright © 2010 Mikkosoft Productions, Mikko Rasa
-Distributed under the GPL
-*/
-
 #include <cmath>
 #include "profile.h"
 
@@ -13,10 +6,35 @@ using namespace Msp;
 
 namespace R2C2 {
 
-void Profile::append_point(const Point &p)
+void Profile::append_vertex(const Vector &p, bool smooth)
 {
-	points.push_back(p);
-	if(points.size()==1)
+	if(vertices.size()>1 && !vertices.back().smooth)
+		vertices.push_back(vertices.back());
+
+	Vertex v;
+	v.pos = p;
+	v.smooth = (!vertices.empty() && smooth);
+
+	if(!vertices.empty())
+	{
+		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 += v.normal;
+			n.normalize();
+		}
+		else
+			vertices.back().normal = v.normal;
+	}
+
+	vertices.push_back(v);
+
+	if(vertices.size()==1)
 	{
 		min_coords = p;
 		max_coords = p;
@@ -30,21 +48,11 @@ void Profile::append_point(const Point &p)
 	}
 }
 
-const Point &Profile::get_point(unsigned i) const
-{
-	if(i>=points.size())
-		throw InvalidParameterValue("Index out of range");
-	return points[i];
-}
-
-Point Profile::get_edge_normal(unsigned i) const
+const Profile::Vertex &Profile::get_vertex(unsigned i) const
 {
-	if(i+1>=points.size())
-		throw InvalidParameterValue("Index out of range");
-	float dx = points[i+1].x-points[i].x;
-	float dy = points[i+1].y-points[i].y;
-	float len = sqrt(dx*dx+dy*dy);
-	return Point(dy/len, -dx/len);
+	if(i>=vertices.size())
+		throw out_of_range("Profile::get_vertex");
+	return vertices[i];
 }
 
 
@@ -52,11 +60,17 @@ Profile::Loader::Loader(Profile &p):
 	DataFile::ObjectLoader<Profile>(p)
 {
 	add("point", &Loader::point);
+	add("smooth_point", &Loader::smooth_point);
 }
 
 void Profile::Loader::point(float x, float y)
 {
-	obj.append_point(Point(x/1000, y/1000));
+	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, 0), true);
 }
 
 } // namespace R2C2