1 files changed, 61 insertions, 0 deletions
diff --git a/src/Math/Vertex2D.cpp b/src/Math/Vertex2D.cpp
new file mode 100644
index 0000000..d64317a
--- /dev/null
+++ b/src/Math/Vertex2D.cpp
@@ -0,0 +1,61 @@
+/*
+ * Vertex2D.cpp
+ * 
+ * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Vertex2D.h"
+#include <cmath>
+
+namespace ZoomEdit {
+namespace Math {
+
+float Vertex2D::distanceSq(const Vertex2D &v) const {
+  return (x - v.x)*(x - v.x) + (y - v.y)*(y - v.y);
+}
+
+float Vertex2D::distance(const Vertex2D &v) const {
+  return std::sqrt(distanceSq(v));
+}
+
+Vector2D Vertex2D::operator-(const Vertex2D &v) const {
+  return Vector2D(x - v.x, y - v.y);
+}
+
+Vertex2D Vertex2D::operator+(const Vector2D &v) const {
+  return Vertex2D(x + v.getX(), y + v.getY());
+}
+
+Vertex2D Vertex2D::operator-(const Vector2D &v) const {
+  return Vertex2D(x - v.getX(), y - v.getY());
+}
+
+Vertex2D& Vertex2D::operator+=(const Vector2D &v) {
+  x += v.getX();
+  y += v.getY();
+  
+  return *this;
+}
+
+Vertex2D& Vertex2D::operator-=(const Vector2D &v) {
+  x -= v.getX();
+  y -= v.getY();
+  
+  return *this;
+}
+
+}
+}