Method normalize

extlibs/soloud/src/core/soloud_core_3d.cpp:55–66

		}
		
		void normalize()
		{
			float m = mag();
			if (m == 0)
			{
				mX = mY = mZ = 0;
				return;
			}
			mX /= m;
			mY /= m;
			mZ /= m;
		}
		
		float dot(vec3 a)
		{