worked on 3d models within map

adjusted grid factory
adjusted nav mesh factory
minoor changes/fixes
new helper classes
refactoring

math/distribution/Uniform.h

@@ -14,7 +14,7 @@ namespace Distribution {
 
 	private:
 
-        Random::RandomGenerator gen;
+		Random::RandomGenerator gen;
 
 		/** depending on T, Dist is either a uniform_real or uniform_int distribution */
 		typedef typename std::conditional< std::is_floating_point<T>::value, std::uniform_real_distribution<T>, std::uniform_int_distribution<T> >::type Dist;
@@ -33,6 +33,11 @@ namespace Distribution {
 
 		}
 
+		/** -1 to +1 */
+		static Uniform unit() {
+			return Uniform(-1, +1);
+		}
+
 		/** get a uniformaly distributed random number */
 		T draw() {
 			return dist(gen);