add animation playback

src/node_combobox.cpp

@@ -114,3 +114,8 @@ float NodeComboBox::get_float(int index) const noexcept
 {
     return std::stof(m_data[index]);
 }
+
+float NodeComboBox::get_float() const noexcept
+{
+    return std::stof(m_data[m_current_index]);
+}