-const std::string POSITION_PROPERTY("position");
-const std::string ORIENTATION_PROPERTY("orientation");
-const std::string SCALE_PROPERTY("scale");
-const std::string BLEND_SHAPE_WEIGHTS_UNIFORM("uBlendShapeWeight");
-const std::string MRENDERER_MODEL_IDENTIFICATION("M-Renderer");
-const std::string ROOT_NODE_NAME("RootNode");
+const char* POSITION_PROPERTY("position");
+const char* ORIENTATION_PROPERTY("orientation");
+const char* SCALE_PROPERTY("scale");
+const char* BLEND_SHAPE_WEIGHTS_UNIFORM("uBlendShapeWeight");
+const char* MRENDERER_MODEL_IDENTIFICATION("M-Renderer");
+const char* ROOT_NODE_NAME("RootNode");