Web version clean up

src/items/InteractiveObject.cpp

@@ -8,9 +8,11 @@
 
 namespace ZL {
     extern const std::string textureUniformName;
-}
 
-namespace ZL {
+#ifdef EMSCRIPTEN
+    using std::min;
+    using std::max;
+#endif
 
     void InteractiveObject::moveTo(const Eigen::Vector3f& target, float durationSec, std::function<void()> onComplete) {
         if (isAnimating) return;