Method lookatLH

extlibs/soloud/src/core/soloud_core_3d.cpp:121–132

		}

		void lookatLH(vec3 at, vec3 up)
		{
			vec3 z = at;
			z.normalize();
			vec3 x = up.cross(z);
			x.normalize();
			vec3 y = z.cross(x);
			x.neg();  // flip x
			m[0] = x;
			m[1] = y;
			m[2] = z;
		}
	};

#ifndef MIN