去掉obi，使用自写绳索

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

@@ -1,80 +0,0 @@
-using UnityEngine;
-using System;
-using System.Collections;
-
-namespace Obi{
-
-    /**
-     * Holds information about the physics properties of a particle or collider, and how it should react to collisions.
-     */
-    [CreateAssetMenu(fileName = "collision material", menuName = "Obi/Collision Material", order = 180)]
-    public class ObiCollisionMaterial : ScriptableObject
-    {
-        protected ObiCollisionMaterialHandle materialHandle;
-
-	    public float dynamicFriction;
-	    public float staticFriction;
-	    public float stickiness;
-	    public float stickDistance;
-	
-	    public Oni.MaterialCombineMode frictionCombine;
-	    public Oni.MaterialCombineMode stickinessCombine;
-
-	    [Space]
-	    public bool rollingContacts = false;
-
-	    [Indent()]
-	    [VisibleIf("rollingContacts")]
-	    public float rollingFriction;
-
-        public ObiCollisionMaterialHandle handle
-        {
-            get
-            {
-                CreateMaterialIfNeeded();
-                return materialHandle;
-            }
-        }
-
-        private void OnEnable()
-        {
-            UpdateMaterial();
-        }
-
-        private void OnDisable()
-        {
-            ObiColliderWorld.GetInstance().DestroyCollisionMaterial(materialHandle);
-        }
-
-        private void OnValidate()
-        {
-            // we can't create GameObjects in OnValidate(), so make sure the colliderworld already exists.
-            UpdateMaterial();
-        }
-
-        public void UpdateMaterial()
-        {
-            var world = ObiColliderWorld.GetInstance();
-            var mat = world.collisionMaterials[handle.index];
-            mat.FromObiCollisionMaterial(this);
-            world.collisionMaterials[handle.index] = mat;
-        }
-
-        protected void CreateMaterialIfNeeded()
-        {
-            if (materialHandle == null || !materialHandle.isValid)
-            {
-                var world = ObiColliderWorld.GetInstance();
-
-                // create the material:
-                materialHandle = world.CreateCollisionMaterial();
-                materialHandle.owner = this;
-
-                // copy material data from this material (use materialHandle instead of handle, to not retrigger CreateMaterialIfNeeded)
-                var mat = world.collisionMaterials[materialHandle.index];
-                mat.FromObiCollisionMaterial(this);
-                world.collisionMaterials[materialHandle.index] = mat;
-            }
-        }
-    }
-}