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