去掉obi，使用自写绳索

Assets/Obi/Editor/Common/Blueprints/BlueprintEditorTools/ObiTethersTool.cs

@@ -1,86 +0,0 @@
-using UnityEngine;
-using UnityEditor;
-using System;
-            
-
-namespace Obi
-{
-    public class ObiTethersTool
-    {
-        protected Rect tetherDropdownRect;
-        protected bool[] tetheredGroups = new bool[0];
-
-        // the GenericMenu.MenuFunction2 event handler for when a menu item is selected
-        void OnTetherGroupSelected(object index)
-        {
-            int i = (int)index;
-            tetheredGroups[i] = !tetheredGroups[i];
-        }
-
-        public void DoTethers(ObiActorBlueprintEditor editor)
-        {
-            EditorGUILayout.LabelField("Tethers", EditorStyles.boldLabel);
-
-            var tethers = editor.blueprint.GetConstraintsByType(Oni.ConstraintType.Tether);
-            int tetherCount = 0;
-            if (tethers != null)
-                tetherCount = tethers.GetConstraintCount();
-            
-            if (tetherCount > 0)
-                EditorGUILayout.LabelField("" + tetherCount + " tether constraints.", EditorStyles.helpBox);
-            else
-                EditorGUILayout.LabelField("No tether constraints. Select at least one particle group in the dropdown, then click 'Generate Tethers'.", EditorStyles.helpBox);
-
-            Array.Resize(ref tetheredGroups, editor.blueprint.groups.Count);
-
-            // display the GenericMenu when pressing a button
-            if (GUILayout.Button("Tethered groups", EditorStyles.popup))
-            {
-                // create the menu and add items to it
-                GenericMenu menu = new GenericMenu();
-
-                // forward slashes nest menu items under submenus
-                for (int i = 0; i < editor.blueprint.groups.Count; ++i)
-                {
-                    menu.AddItem(new GUIContent(editor.blueprint.groups[i].name), tetheredGroups[i], OnTetherGroupSelected, i);
-                }
-
-                // display the menu
-                menu.DropDown(tetherDropdownRect);
-            }
-
-            if (Event.current.type == EventType.Repaint)
-                tetherDropdownRect = GUILayoutUtility.GetLastRect();
-
-
-            EditorGUILayout.BeginHorizontal();
-            if (GUILayout.Button("Generate tethers",GUILayout.MinHeight(32)))
-            {
-                // Select all particles in the tethered groups:
-                for (int i = 0; i < ObiActorBlueprintEditor.selectionStatus.Length; ++i)
-                {
-                    ObiActorBlueprintEditor.selectionStatus[i] = false;
-                    for (int j = 0; j < tetheredGroups.Length; ++j)
-                    {
-                        if (tetheredGroups[j] && editor.blueprint.groups[j].ContainsParticle(i))
-                        {
-                            ObiActorBlueprintEditor.selectionStatus[i] = true;
-                            break;
-                        }
-                    }
-                }
-
-                editor.blueprint.GenerateTethers(ObiActorBlueprintEditor.selectionStatus);
-                editor.Refresh();
-            }
-
-            if (GUILayout.Button("Clear tethers",GUILayout.MinHeight(32)))
-            {
-                editor.blueprint.ClearTethers();
-                editor.Refresh();
-            }
-            EditorGUILayout.EndHorizontal();
-
-        }
-    }
-}