removed Heading::rnd()

changed particle init
fixed uninitialized values
new ground-truth helper methods
added new stats to the eval (distance from ground-truth)

code/particles/MyInitializer.h

@@ -37,6 +37,7 @@ public:
 
 		std::minstd_rand gen;
 		std::uniform_int_distribution<> dist(0, grid.getNumNodes());
+		std::uniform_real_distribution<float> distHead(0, M_PI*2);
 
 		for (K::Particle<MyState>& p : particles) {
 
@@ -50,7 +51,7 @@ public:
 			p.state.walkState.node = &n;
 
 			p.state.pOld = p.state.pCur;
-			p.state.walkState.heading = Heading::rnd();
+			p.state.walkState.heading = distHead(gen);
 			p.state.hPa = 0;
 
 		}