去掉obi，使用自写绳索

Assets/Obi/Scripts/Common/Collisions/ObiEdgeMeshContainer.cs

@@ -1,163 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine;
-
-namespace Obi
-{
-    public struct Edge : IBounded
-    {
-        public int i1;
-        public int i2;
-
-        Aabb b;
-
-        public Edge(int i1, int i2, Vector2 v1, Vector2 v2)
-        {
-            this.i1 = i1;
-            this.i2 = i2;
-            b = new Aabb(v1);
-            b.Encapsulate(v2);
-        }
-
-        public Aabb GetBounds()
-        {
-            return b;
-        }
-    }
-
-    public class ObiEdgeMeshHandle : ObiResourceHandle<EdgeCollider2D>
-    {
-        public ObiEdgeMeshHandle(EdgeCollider2D collider, int index = -1) : base(index) { owner = collider; }
-    }
-
-    public struct EdgeMeshHeader
-    {
-        public int firstNode;
-        public int nodeCount;
-        public int firstEdge;
-        public int edgeCount;
-        public int firstVertex;
-        public int vertexCount;
-
-        public EdgeMeshHeader(int firstNode, int nodeCount, int firstTriangle, int triangleCount, int firstVertex, int vertexCount)
-        {
-            this.firstNode = firstNode;
-            this.nodeCount = nodeCount;
-            this.firstEdge = firstTriangle;
-            this.edgeCount = triangleCount;
-            this.firstVertex = firstVertex;
-            this.vertexCount = vertexCount;
-        }
-    }
-
-    public class ObiEdgeMeshContainer
-    {
-        public Dictionary<EdgeCollider2D, ObiEdgeMeshHandle> handles;  /**< dictionary indexed by mesh, so that we don't generate data for the same mesh multiple times.*/
-
-        public ObiNativeEdgeMeshHeaderList headers;
-        public ObiNativeBIHNodeList bihNodes;
-        public ObiNativeEdgeList edges;
-        public ObiNativeVector2List vertices;
-
-        public ObiEdgeMeshContainer()
-        {
-            handles = new Dictionary<EdgeCollider2D, ObiEdgeMeshHandle>();
-            headers = new ObiNativeEdgeMeshHeaderList();
-            bihNodes = new ObiNativeBIHNodeList();
-            edges = new ObiNativeEdgeList();
-            vertices = new ObiNativeVector2List();
-        }
-
-        public ObiEdgeMeshHandle GetOrCreateEdgeMesh(EdgeCollider2D source)
-        {
-            ObiEdgeMeshHandle handle;
-
-            if (!handles.TryGetValue(source, out handle))
-            {
-                Vector2[] sourceVertices = source.points;
-                int[] sourceEdges = new int[source.edgeCount * 2];
-
-                for (int i = 0; i < source.edgeCount; ++i)
-                {
-                    sourceEdges[i * 2] = i;
-                    sourceEdges[i * 2 + 1] = i + 1;
-                }
-
-                // Build a bounding interval hierarchy from the edges:
-                IBounded[] t = new IBounded[source.edgeCount];
-                for (int i = 0; i < source.edgeCount; ++i)
-                {
-                    t[i] = new Edge(i, i+1, sourceVertices[i], sourceVertices[i+1]);
-                }
-                var sourceBih = BIH.Build(ref t);
-
-                Edge[] edgs = Array.ConvertAll(t, x => (Edge)x);
-
-                handle = new ObiEdgeMeshHandle(source, headers.count);
-                handles.Add(source, handle);
-                headers.Add(new EdgeMeshHeader(bihNodes.count, sourceBih.Length, edges.count, edgs.Length, vertices.count, sourceVertices.Length));
-
-                bihNodes.AddRange(sourceBih);
-                edges.AddRange(edgs);
-                vertices.AddRange(sourceVertices);
-            }
-
-            return handle;
-        }
-
-        public void DestroyEdgeMesh(ObiEdgeMeshHandle handle)
-        {
-            if (handle != null && handle.isValid && handle.index < handles.Count)
-            {
-                var header = headers[handle.index];
-
-                // Update headers:
-                for (int i = 0; i < headers.count; ++i)
-                {
-                    var h = headers[i];
-                    if (h.firstEdge > header.firstEdge)
-                    {
-                        h.firstNode -= header.nodeCount;
-                        h.firstEdge -= header.edgeCount;
-                        h.firstVertex -= header.vertexCount;
-                        headers[i] = h;
-                    }
-                }
-
-                // update handles:
-                foreach (var pair in handles)
-                {
-                    if (pair.Value.index > handle.index)
-                        pair.Value.index--;
-                }
-
-                // Remove nodes, triangles and vertices
-                bihNodes.RemoveRange(header.firstNode, header.nodeCount);
-                edges.RemoveRange(header.firstEdge, header.edgeCount);
-                vertices.RemoveRange(header.firstVertex, header.vertexCount);
-
-                // remove header:
-                headers.RemoveAt(handle.index);
-
-                // remove the collider from the dictionary:
-                handles.Remove(handle.owner);
-
-                // Invalidate our handle:
-                handle.Invalidate();
-            }
-        }
-
-        public void Dispose()
-        {
-            if (headers != null)
-                headers.Dispose();
-            if (edges != null)
-                edges.Dispose();
-            if (vertices != null)
-                vertices.Dispose();
-            if (bihNodes != null)
-                bihNodes.Dispose();
-        }
-
-    }
-}