vfx and ui init

Assets/UI/SimpleRuntimeUi.cs

@@ -0,0 +1,38 @@
+using UnityEngine;
+using UnityEngine.UIElements;
+
+public class SimpleRuntimeUi : MonoBehaviour {
+    private Button _button;
+    private Toggle _toggle;
+
+    private int _clickCount;
+
+    //Add logic that interacts with the UI controls in the `OnEnable` methods
+    private void OnEnable() {
+        // The UXML is already instantiated by the UIDocument component
+        var uiDocument = GetComponent<UIDocument>();
+
+        _button = uiDocument.rootVisualElement.Q("button") as Button;
+        _toggle = uiDocument.rootVisualElement.Q("toggle") as Toggle;
+
+        _button.RegisterCallback<ClickEvent>(PrintClickMessage);
+
+        var _inputFields = uiDocument.rootVisualElement.Q("input-message");
+        _inputFields.RegisterCallback<ChangeEvent<string>>(InputMessage);
+    }
+
+    private void OnDisable() {
+        _button.UnregisterCallback<ClickEvent>(PrintClickMessage);
+    }
+
+    private void PrintClickMessage(ClickEvent evt) {
+        ++_clickCount;
+
+        Debug.Log($"{"button"} was clicked!" +
+                (_toggle.value ? " Count: " + _clickCount : ""));
+    }
+
+    public static void InputMessage(ChangeEvent<string> evt) {
+        Debug.Log($"{evt.newValue} -> {evt.target}");
+    }
+}