unity脚本收集

Unity C++脚本/DrawPathInEditor.cs

@@ -0,0 +1,94 @@
+using UnityEngine;
+using UnityEditor;
+using UnityEngine.Playables;
+using System.Collections.Generic;
+
+[ExecuteAlways]
+public class EditorTimelinePathTracker : MonoBehaviour
+{
+    public Color pathColor = Color.green;
+    public int maxPoints = 1000;
+
+    private List<Vector3> pathPoints = new List<Vector3>();
+    private List<float> timeStamps = new List<float>();
+    private Vector3 lastPosition;
+    private PlayableDirector director;
+
+    private void OnEnable()
+    {
+        director = GetComponent<PlayableDirector>();
+
+#if UNITY_EDITOR
+        EditorApplication.update += EditorUpdate;
+#endif
+        pathPoints.Clear();
+        timeStamps.Clear();
+        lastPosition = transform.position;
+        pathPoints.Add(lastPosition);
+        timeStamps.Add(GetTimelineTime());
+    }
+
+    private void OnDisable()
+    {
+#if UNITY_EDITOR
+        EditorApplication.update -= EditorUpdate;
+#endif
+    }
+
+    private float GetTimelineTime()
+    {
+        if (director != null && director.playableGraph.IsValid())
+        {
+            return (float)director.time;
+        }
+        return Time.realtimeSinceStartup; // fallback 时间戳
+    }
+
+    private float GetTimelineDuration()
+    {
+        return director != null ? (float)director.duration : -1f;
+    }
+
+    private void EditorUpdate()
+    {
+        if (Application.isPlaying)
+            return;
+
+        Vector3 currentPosition = transform.position;
+        float currentTime = GetTimelineTime();
+
+        if (Vector3.Distance(currentPosition, lastPosition) > 0.01f)
+        {
+            lastPosition = currentPosition;
+            pathPoints.Add(currentPosition);
+            timeStamps.Add(currentTime);
+
+            if (pathPoints.Count > maxPoints)
+            {
+                pathPoints.RemoveAt(0);
+                timeStamps.RemoveAt(0);
+            }
+
+            SceneView.RepaintAll();
+        }
+    }
+
+    private void OnDrawGizmos()
+    {
+        if (pathPoints == null || pathPoints.Count < 2)
+            return;
+
+        float timelineDuration = GetTimelineDuration();
+        bool useTimeline = director != null && timelineDuration > 0;
+
+        Gizmos.color = pathColor;
+        for (int i = 1; i < pathPoints.Count; i++)
+        {
+            // 若启用Timeline，仅绘制在时间范围内的轨迹
+            if (useTimeline && (timeStamps[i - 1] > timelineDuration || timeStamps[i] > timelineDuration))
+                continue;
+
+            Gizmos.DrawLine(pathPoints[i - 1], pathPoints[i]);
+        }
+    }
+}