test

My project/Library/PackageCache/com.unity.timeline/Samples~/Customization/Text/TextTrack.cs

@@ -0,0 +1,48 @@
+#if TEXT_TRACK_REQUIRES_TEXTMESH_PRO
+
+using TMPro;
+using UnityEngine;
+using UnityEngine.Playables;
+using UnityEngine.Timeline;
+
+namespace Timeline.Samples
+{
+    // A track that allows the user to change Text parameters from a Timeline.
+    // It demonstrates the following
+    //  * How to support blending of timeline clips.
+    //  * How to change data over time on Components that is not supported by Animation.
+    //  * Putting properties into preview mode.
+    //  * Reacting to changes on the clip from the Timeline Editor.
+    // Note: This track requires the TextMeshPro package to be installed in the project.
+    [TrackColor(0.1394896f, 0.4411765f, 0.3413077f)]
+    [TrackClipType(typeof(TextPlayableAsset))]
+    [TrackBindingType(typeof(TMP_Text))]
+    public class TextTrack : TrackAsset
+    {
+        // Creates a runtime instance of the track, represented by a PlayableBehaviour.
+        // The runtime instance performs mixing on the timeline clips.
+        public override Playable CreateTrackMixer(PlayableGraph graph, GameObject go, int inputCount)
+        {
+            return ScriptPlayable<TextTrackMixerBehaviour>.Create(graph, inputCount);
+        }
+
+        // Invoked by the timeline editor to put properties into preview mode. This permits the timeline
+        // to temporarily change fields for the purpose of previewing in EditMode.
+        public override void GatherProperties(PlayableDirector director, IPropertyCollector driver)
+        {
+            TMP_Text trackBinding = director.GetGenericBinding(this) as TMP_Text;
+            if (trackBinding == null)
+                return;
+
+            // The field names are the name of the backing serializable field. These can be found from the class source,
+            // or from the unity scene file that contains an object of that type.
+            driver.AddFromName<TMP_Text>(trackBinding.gameObject, "m_text");
+            driver.AddFromName<TMP_Text>(trackBinding.gameObject, "m_fontSize");
+            driver.AddFromName<TMP_Text>(trackBinding.gameObject, "m_fontColor");
+
+            base.GatherProperties(director, driver);
+        }
+    }
+}
+
+#endif