去掉obi，使用自写绳索

Assets/Obi/Scripts/RopeAndRod/Rendering/ObiRopeChainRenderer.cs

@@ -1,79 +0,0 @@
-using System;
-using System.Collections.Generic;
-using UnityEngine;
-using Unity.Profiling;
-
-namespace Obi
-{
-    [AddComponentMenu("Physics/Obi/Obi Rope Chain Renderer", 885)]
-    [ExecuteInEditMode]
-    public class ObiRopeChainRenderer : MonoBehaviour, ObiActorRenderer<ObiRopeChainRenderer>
-    {
-        [Serializable]
-        public struct LinkModifier
-        {
-            public Vector3 translation;
-            public Vector3 scale;
-            public Vector3 rotation;
-
-            public void Clear()
-            {
-                translation = Vector3.zero;
-                scale = Vector3.one;
-                rotation = Vector3.zero;
-            }
-        }
-
-        public Mesh linkMesh;
-        public Material linkMaterial;
-        public Vector3 linkScale = Vector3.one;     /**< Scale of chain links.*/
-
-        [Range(0, 1)]
-        public float twistAnchor = 0;               /**< Normalized position of twisting origin along rope.*/
-        public float linkTwist = 0;              /**< Amount of twist applied to each section, in degrees.*/
-
-        public List<LinkModifier> linkModifiers = new List<LinkModifier>();
-
-        public RenderBatchParams renderParameters = new RenderBatchParams(true);
-
-        public ObiActor actor { get; private set; }
-
-        void Awake()
-        {
-            actor = GetComponent<ObiActor>();
-        }
-
-        public void OnEnable()
-        {
-            ((ObiActorRenderer<ObiRopeChainRenderer>)this).EnableRenderer();
-        }
-
-        public void OnDisable()
-        {
-            ((ObiActorRenderer<ObiRopeChainRenderer>)this).DisableRenderer();
-        }
-
-        public void OnValidate()
-        {
-            ((ObiActorRenderer<ObiRopeChainRenderer>)this).SetRendererDirty(Oni.RenderingSystemType.ChainRope);
-        }
-
-        RenderSystem<ObiRopeChainRenderer> ObiRenderer<ObiRopeChainRenderer>.CreateRenderSystem(ObiSolver solver)
-        {
-            switch (solver.backendType)
-            {
-
-#if (OBI_BURST && OBI_MATHEMATICS && OBI_COLLECTIONS)
-                case ObiSolver.BackendType.Burst: return new BurstChainRopeRenderSystem(solver);
-#endif
-                case ObiSolver.BackendType.Compute:
-                default:
-
-                    if (SystemInfo.supportsComputeShaders)
-                        return new ComputeChainRopeRenderSystem(solver);
-                    return null;
-            }
-        }
-    }
-}
-