去掉obi，使用自写绳索

Assets/Obi/Scripts/Common/Utils/ObiContactEventDispatcher.cs

@@ -1,151 +0,0 @@
-using UnityEngine;
-using UnityEngine.Events;
-using Unity.Collections;
-using System;
-using System.Collections.Generic;
-
-namespace Obi
-{
-    [RequireComponent(typeof(ObiSolver))]
-    public class ObiContactEventDispatcher : MonoBehaviour
-    {
-        private ObiSolver solver;
-        private Oni.Contact[] prevData;
-        private int prevCount;
-        private ContactComparer comparer;
-
-        private class ContactComparer : IComparer<Oni.Contact>
-        {
-            ObiSolver solver;
-
-            public ContactComparer(ObiSolver solver)
-            {
-                this.solver = solver;
-            }
-
-            public int Compare(Oni.Contact x, Oni.Contact y)
-            {
-                return CompareByRef(x, y, solver);
-            }
-        }
-
-        private static int CompareByRef(Oni.Contact a, Oni.Contact b, ObiSolver solver)
-        {
-            if (a.bodyB == b.bodyB)
-            {
-                int hashA = solver.particleToActor[a.bodyA].actor.GetInstanceID();
-                int hashB = solver.particleToActor[b.bodyA].actor.GetInstanceID();
-                return hashA.CompareTo(hashB);
-            }
-            return a.bodyB.CompareTo(b.bodyB);
-        }
-
-        [System.Serializable]
-        public class ContactCallback : UnityEvent<ObiSolver, Oni.Contact> { }
-
-        public float distanceThreshold = 0.01f;
-        public ContactCallback onContactEnter = new ContactCallback();
-        public ContactCallback onContactStay = new ContactCallback();
-        public ContactCallback onContactExit = new ContactCallback();
-
-        void Awake()
-        {
-            solver = GetComponent<ObiSolver>();
-            comparer = new ContactComparer(solver);
-            prevData = new Oni.Contact[0];
-        }
-
-        void OnEnable()
-        {
-            solver.OnCollision += Solver_OnCollision;
-        }
-
-        void OnDisable()
-        {
-            solver.OnCollision -= Solver_OnCollision;
-        }
-
-        private int FilterOutDistantContacts(ObiNativeContactList data, int count)
-        {
-            int filteredCount = count;
-
-            // simply iterate trough all contacts,
-            // moving the ones above the threshold to the end of the array:
-            for (int i = count - 1; i >= 0; --i)
-                if (data[i].distance > distanceThreshold)
-                    data.Swap(i, --filteredCount);
-
-            return filteredCount;
-        }
-
-        private int RemoveDuplicates(ObiNativeContactList data, int count)
-        {
-            if (count == 0)
-                return 0;
-
-            // assuming the array is sorted, iterate trough the array
-            // replacing duplicates by the first contact that's different:
-            int i = 0, r = 0;
-            while (++i != count)
-                if (CompareByRef(data[i], data[r], solver) != 0 && ++r != i)
-                    data[r] = data[i];
-
-            return ++r;
-        }
-
-        private void InvokeCallbacks(ObiNativeContactList data, int count)
-        {
-            int a = 0, b = 0;
-            int lengthA = count, lengthB = prevCount;
-
-            // while we haven't reached the end of either array:
-            while (a < lengthA && b < lengthB)
-            {
-                // compare both contacts: 
-                int compare = CompareByRef(data[a], prevData[b], solver);
-
-                // call the appropiate event depending on the comparison result:
-                if (compare < 0)
-                    onContactEnter.Invoke(solver, data[a++]);
-                else if (compare > 0)
-                    onContactExit.Invoke(solver, prevData[b++]);
-                else
-                {
-                    onContactStay.Invoke(solver, data[a++]); b++;
-                }
-            }
-
-            // finish iterating trough both lists:
-            while (a < lengthA)
-                onContactEnter.Invoke(solver, data[a++]);
-
-            while (b < lengthB)
-                onContactExit.Invoke(solver, prevData[b++]);
-        }
-
-        void Solver_OnCollision(object sender, ObiNativeContactList contacts)
-        {
-            // skip all contacts above the distance threshold by moving them to the end of the array:
-            int filteredCount = FilterOutDistantContacts(contacts, contacts.count);
-
-            // sort the remaining contacts by collider, then by actor:
-            contacts.AsNativeArray().Slice(0,filteredCount).Sort(comparer);
-
-            // remove duplicates:
-            filteredCount = RemoveDuplicates(contacts, filteredCount);
-
-            // zip trough the current and previous contact lists once, invoking events when appropiate.
-            InvokeCallbacks(contacts, filteredCount);
-
-            // store current contact list/count for next frame.
-            // could get better performance by double buffering instead of copying:
-            if (filteredCount > prevData.Length)
-                Array.Resize(ref prevData, filteredCount);
-
-            contacts.CopyTo(prevData, 0, filteredCount);
-
-            prevCount = filteredCount;
-        }
-
-    }
-}