//---------------------------------------------------------- #region Override Methods //自定义属性面板 public override void OnInspectorGUI() { //所选目标 AIWallPointNetWork network = target as AIWallPointNetWork; //定制枚举变量编辑器样式 network.DisPlayMode = (AIWallPointNetWork.NetWorkDisPlayMode)EditorGUILayout.EnumPopup("DisPlayMode", network.DisPlayMode); //只有在PATH模式下才能操作from,to if (network.DisPlayMode == AIWallPointNetWork.NetWorkDisPlayMode.Path) { //定制滑动条 network.From = EditorGUILayout.IntSlider("Start", network.From, 0, network.WallPoints.Count - 1); network.To = EditorGUILayout.IntSlider("End", network.To, 0, network.WallPoints.Count - 1); } //绘制出原有默认的属性面板,当然已经声明了[HideInInspector]的字段不会被绘制,而是进行自定义绘制 DrawDefaultInspector(); }
//自定义场景显示 private void OnSceneGUI() { AIWallPointNetWork network = target as AIWallPointNetWork; //给所有的路径点在场景中显示名称 for (int i = 0; i < network.WallPoints.Count; i++) { if (network.WallPoints[i] != null) { Handles.Label(network.WallPoints[i].transform.position, "WallPoint" + i.ToString()); } } //该数组存储所有路径点的位置信息,由于要实现环形连接,所以要加多一个长度 Vector3[] LineWallPoints = new Vector3[network.WallPoints.Count + 1]; //环形连接模式 if (network.DisPlayMode == AIWallPointNetWork.NetWorkDisPlayMode.Connect) { for (int i = 0; i <= network.WallPoints.Count; i++) { //最后一个值归零,也就是连接回原点 int index = i != network.WallPoints.Count ? i : 0; if (network.WallPoints[index] != null) { LineWallPoints[i] = network.WallPoints[index].position; } else { LineWallPoints[i] = new Vector3(Mathf.Infinity, Mathf.Infinity, Mathf.Infinity); } } //颜色定制 Handles.color = Color.yellow; //开始绘制线条 Handles.DrawPolyLine(LineWallPoints); } //PATH模式下,所选的两个路经点会自动绘制出最佳路径,而不是单纯的直线连接 else if (network.DisPlayMode == AIWallPointNetWork.NetWorkDisPlayMode.Path) { //导航系统计算的路径 NavMeshPath Path = new NavMeshPath(); if (network.WallPoints[network.From] != null && network.WallPoints[network.To] != null) { //起始点的位置 Vector3 from = network.WallPoints[network.From].position; //目标点的位置 Vector3 to = network.WallPoints[network.To].position; //开始路径计算,路径点存储在corners里 NavMesh.CalculatePath(from, to, NavMesh.AllAreas, Path); } //颜色定制,不同模式颜色最好不一样,便于识别 Handles.color = Color.cyan; //开始绘制路线 Handles.DrawPolyLine(Path.corners); } }