worked on navMesh stuff

- creation
- walking
- helper

navMesh/walk/NavMeshWalkParams.h

@@ -0,0 +1,64 @@
+#ifndef NAVMESHWALKPARAMS_H
+#define NAVMESHWALKPARAMS_H
+
+#include "../../geo/Heading.h"
+#include "../NavMeshLocation.h"
+
+namespace NM {
+
+	/** configure pedestrian StepSizes */
+	struct StepSizes {
+
+		float stepSizeFloor_m = NAN;
+		float stepSizeStair_m = NAN;
+
+		bool isValid() const {
+			return (stepSizeFloor_m==stepSizeFloor_m) && (stepSizeStair_m==stepSizeStair_m);
+		}
+
+		template <typename Tria> float inMeter(const int steps, const NavMeshLocation<Tria>& start) const {
+
+			Assert::isTrue(isValid(), "invalid step-sizes given");
+
+			if (start.tria->isPlain()) {
+				return stepSizeFloor_m * steps;
+			} else {
+				return stepSizeStair_m * steps;
+			}
+
+		}
+
+	};
+
+	/** configure walking from -> to */
+	template <typename Tria> struct NavMeshWalkParams {
+
+		/** walk starts here (pos/tria) */
+		NavMeshLocation<Tria> start;
+
+//		/** to-be-walked distance */
+//		float distance_m;
+
+		/** direction to walk to */
+		Heading heading;
+
+		/** number of steps to walk */
+		int numSteps;
+
+		/** configuration for pedestrian's step-sizes */
+		StepSizes stepSizes;
+
+
+		/** empty ctor */
+		NavMeshWalkParams() : heading(0) {;}
+
+		/** get the to-be-walked distance (steps vs. current location [stair/floor/..]) */
+		float getToBeWalkedDistance() const {
+			return stepSizes.inMeter(numSteps, start);
+		}
+
+	};
+
+}
+
+#endif // NAVMESHWALKPARAMS_H