Add some geometry and mesh.

src/geometry/Point.cpp

@@ -1,9 +1,8 @@
 #include "Point.h"
 
-
 Point::Point(double x, double y)
-	: mX(x),
-	  mY(y)
+    : mX(x),
+      mY(y)
 {
 }
 
@@ -11,8 +10,37 @@ Point::~Point()
 {
 };
 
-
 std::shared_ptr<Point> Point::Create(double x, double y)
 {
-	return std::make_shared<Point>(x, y);
+    return std::make_shared<Point>(x, y);
+}
+
+double Point::getX() const
+{
+    return mX;
+}
+
+double Point::getY() const
+{
+    return mY;
+}
+
+double Point::getDistance(const Point& point) const
+{
+    return std::sqrt(mX*point.getX() + mY*point.getY());
+}
+
+double Point::getDistance(Point* point) const
+{
+    return std::sqrt(mX*point->getX() + mY*point->getY());
+}
+
+double Point::getDeltaX(const Point& point) const
+{
+    return point.getX() - mX;
+}
+
+double Point::getDeltaY(const Point& point) const
+{
+    return point.getY() - mY;
 }