commented not yet used functions -> remove if really not used

Utility.h

@@ -56,6 +56,7 @@ static float pDistance(float x, float y, float x1, float y1, float x2, float y2)
     //return sqrt(dx * dx + dy * dy);
 }
 
+/* not used anymore... or yet
 static bool SortForMinXMaxY (const Point& a, const Point& b)
 {
     if (a.x() != b.x())
@@ -87,5 +88,5 @@ static std::pair<Point, Point> getMinMaxX(std::vector<Point>& pts)
     std::sort(pts.begin(), pts.end(), SortForMinXMaxY);
 
     return std::make_pair(pts[0], pts[pts.size() - 1]);
-}
+}*/
 #endif // UTILITY_H

main.cpp

@@ -6,9 +6,7 @@
 #include <vector> // TODO: or use arrays for maximum performance?
 
 #include "Display.h"
-#include "Point.h" // TODO: check if there is a usable SFML or c++ class
-#include "Timing.h"
-#include "Utility.h"
+#include "Point.h"
 
 // TODOs:
 // - use SFML vec2 instead of Point class
@@ -80,6 +78,8 @@ int main (int argc, char **argv)
             std::string line;
             std::getline(in, line); // get first line for explizit valueCount
             valCount = std::stoi(line);
+            float x = 0;
+            float y = 0;
             for (int i = 0; i < valCount; ++i)
             {
                 getline(in, line);
@@ -87,8 +87,8 @@ int main (int argc, char **argv)
                 size_t pos = line.find(',');
                 if (pos != std::string::npos)
                 {
-                    float x = std::stof(line.substr(0, pos));
-                    float y = std::stof(line.substr(pos + 1));
+                    x = std::stof(line.substr(0, pos));
+                    y = std::stof(line.substr(pos + 1));
                     points.push_back(Point(x, y));
                 }
                 else