去掉obi，使用自写绳索

Assets/Obi/Scripts/Common/DataStructures/Queries/QueryResult.cs

@@ -1,17 +0,0 @@
-using UnityEngine;
-using System.Runtime.InteropServices;
-
-namespace Obi
-{
-    [StructLayout(LayoutKind.Sequential, Size = 64)]
-    public struct QueryResult
-    {
-        public Vector4 simplexBary;    /**< Barycentric coords of nearest point in simplex  */
-        public Vector4 queryPoint;     /**< Nearest point in query shape*/
-        public Vector4 normal;         /**< Closest direction between simplex and query shape. */
-        public float distance;         /**< Distance between simplex and query shape.*/
-        public float distanceAlongRay; /**< For ray queries, distance along the ray.*/
-        public int simplexIndex;       /**< Index of the simplex in the solver.*/
-        public int queryIndex;         /**< Index of the query that spawned this result.*/
-    }
-}