初期コミット

Assets/Samples/XR Interaction Toolkit/3.4.1/Starter Assets/DemoAssets/Scripts/IncrementUIText.cs

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+#if TEXT_MESH_PRO_PRESENT || (UGUI_2_0_PRESENT && UNITY_6000_0_OR_NEWER)
+using TMPro;
+#endif
+
+namespace UnityEngine.XR.Interaction.Toolkit.Samples.StarterAssets
+{
+    /// <summary>
+    /// Add this component to a GameObject and call the <see cref="IncrementText"/> method
+    /// in response to a Unity Event to update a text display to count up with each event.
+    /// </summary>
+    public class IncrementUIText : MonoBehaviour
+    {
+#if TEXT_MESH_PRO_PRESENT || (UGUI_2_0_PRESENT && UNITY_6000_0_OR_NEWER)
+        [SerializeField]
+        [Tooltip("The TextMeshProUGUI component this behavior uses to display the incremented value.")]
+        TextMeshProUGUI m_Text;
+
+        /// <summary>
+        /// The TextMeshProUGUI component this behavior uses to display the incremented value.
+        /// </summary>
+        public TextMeshProUGUI text
+        {
+            get => m_Text;
+            set => m_Text = value;
+        }
+#else
+        // Fallback field to keep the component functional without TMP.
+        // Uses UnityEngine.Object so it can still hold a reference if TMP later becomes available.
+        [SerializeField]
+        [Tooltip("The TextMeshProUGUI component this behavior uses to display the incremented value.")]
+        Object m_Text;
+
+        /// <summary>
+        /// The TextMeshProUGUI component this behavior uses to display the incremented value.
+        /// </summary>
+        public Object text
+        {
+            get => m_Text;
+            set => m_Text = value;
+        }
+#endif
+
+        int m_Count;
+
+        /// <summary>
+        /// See <see cref="MonoBehaviour"/>.
+        /// </summary>
+        protected void Awake()
+        {
+            if (m_Text == null)
+                Debug.LogWarning("Missing required TextMeshProUGUI component reference. Use the Inspector window to assign which TMP component to increment.", this);
+        }
+
+        /// <summary>
+        /// Increment the string message of the TextMeshProUGUI component.
+        /// </summary>
+        public void IncrementText()
+        {
+            m_Count += 1;
+#if TEXT_MESH_PRO_PRESENT || (UGUI_2_0_PRESENT && UNITY_6000_0_OR_NEWER)
+            if (m_Text != null)
+                m_Text.text = m_Count.ToString();
+#else
+            if (m_Text != null)
+                Debug.LogWarning("TextMeshPro is not installed; cannot update TMP text.", this);
+#endif
+        }
+    }
+}