angle calc

client/mapView/MapView.cpp

@@ -129,8 +129,14 @@ void MapView::onMapSwiped(const Point & viewPosition)
 }
 
 void MapView::postSwipe(uint32_t msPassed) {
-	if(!actions->dragActive)
+	if(!actions->dragActive && swipeHistory.size() > 0)
+	{
+		Point diff = swipeHistory.end()->second - swipeHistory.begin()->second;
+		double angle = diff.angle();
+
+		std::cout << angle;
 		swipeHistory.clear();
+	}
 }
 
 void MapView::onCenteredTile(const int3 & tile)

client/mapView/MapView.h

@@ -50,6 +50,8 @@ class MapView : public BasicMapView
 	std::shared_ptr<MapViewActions> actions;
 
 	std::map<uint64_t, Point> swipeHistory;
+	double postSwipeAngle;
+	double postSwipeSpeed;
 
 	void postSwipe(uint32_t msPassed);
 

lib/Point.h

@@ -116,6 +116,11 @@ public:
 		return std::sqrt(lengthSquared());
 	}
 
+	double angle() const
+	{
+		return std::atan2(y, x) * 180.0 / M_PI;
+	}
+
 	template <typename Handler>
 	void serialize(Handler &h, const int version)
 	{