Optimize: AddTo MonoBehaviour

src/LitMotion/Assets/LitMotion/Runtime/MotionHandleExtensions.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections;
+using Cysharp.Threading.Tasks;
 using UnityEngine;
 
 namespace LitMotion
@@ -70,6 +71,22 @@ public static MotionHandle AddTo(this MotionHandle handle, Component target)
             return handle;
         }
 
+#if UNITY_2022_2_OR_NEWER
+        /// <summary>
+        /// Link the motion lifecycle to the target object.
+        /// </summary>
+        /// <param name="handle">This motion handle</param>
+        /// <param name="target">Target object</param>
+        public static MotionHandle AddTo(this MotionHandle handle, MonoBehaviour target)
+        {
+            target.destroyCancellationToken.Register(() =>
+            {
+                if (handle.IsActive()) handle.Cancel();
+            }, false);
+            return handle;
+        }
+#endif
+
         static TComponent GetOrAddComponent<TComponent>(GameObject target) where TComponent : Component
         {
             if (!target.TryGetComponent<TComponent>(out var component))

src/LitMotion/Assets/LitMotion/Tests/Runtime/AddToTest.cs

@@ -20,5 +20,22 @@ public IEnumerator Test_AddTo()
             Object.DestroyImmediate(obj);
             Assert.IsTrue(canceled);
         }
+
+        [UnityTest]
+        public IEnumerator Test_AddTo_MonoBehaviour()
+        {
+            var canceled = false;
+            var obj = new GameObject("Target");
+            var behaviour = obj.AddComponent<TestComponent>();
+            var handle = LMotion.Create(0f, 1f, 2f)
+                .WithOnCancel(() => canceled = true)
+                .RunWithoutBinding()
+                .AddTo(behaviour);
+            yield return new WaitForSeconds(0.1f);
+            Object.DestroyImmediate(obj);
+            Assert.IsTrue(canceled);
+        }
+
+        public sealed class TestComponent : MonoBehaviour { }
     }
 }