去掉obi，使用自写绳索

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

@@ -1,102 +0,0 @@
-using UnityEngine;
-using System;
-using System.Collections;
-
-namespace Obi{
-
-	/**
-	 * Small helper class that lets you specify Obi-only properties for rigidbodies.
-	 */
-
-	[ExecuteInEditMode]
-	[RequireComponent(typeof(Rigidbody))]
-	public class ObiRigidbody : ObiRigidbodyBase
-	{
-        public Rigidbody unityRigidbody { get; private set; }
-
-        public Vector3 position => unityRigidbody.position;
-        public Quaternion rotation => unityRigidbody.rotation;
-
-        public Vector3 linearVelocity { get; protected set; }
-        public Vector3 angularVelocity { get; protected set; }
-
-        private Quaternion prevRotation;
-        private Vector3 prevPosition;
-
-        protected override void OnEnable()
-        {
-			unityRigidbody = GetComponent<Rigidbody>();
-            ResetPosition();
-            base.OnEnable();
-		}
-
-        public void ResetPosition()
-        {
-            prevPosition = unityRigidbody.position;
-            prevRotation = unityRigidbody.rotation;
-            linearVelocity = unityRigidbody.linearVelocity;
-            angularVelocity = unityRigidbody.angularVelocity;
-        }
-
-        private void CacheVelocities(float stepTime)
-        {
-            // differentiate positions/orientations to get our own velocites for kinematic objects.
-            // also useful for animations.
-            if (unityRigidbody.isKinematic && stepTime > 0)
-            {
-                // differentiate positions to obtain linear velocity:
-                linearVelocity = (unityRigidbody.position - prevPosition) / stepTime;
-
-                // differentiate rotations to obtain angular velocity:
-                Quaternion delta = unityRigidbody.rotation * Quaternion.Inverse(prevRotation);
-                angularVelocity = new Vector3(delta.x, delta.y, delta.z) * 2.0f / stepTime;
-            }
-            else
-            {
-                // if the object is non-kinematic, just copy velocities.
-                linearVelocity = unityRigidbody.linearVelocity;
-                angularVelocity = unityRigidbody.angularVelocity;
-            }
-
-            prevPosition = unityRigidbody.position;
-            prevRotation = unityRigidbody.rotation;
-        }
-
-		public override void UpdateIfNeeded(float stepTime)
-        {
-            // Rigidbody might not exist, as rigidbody deletion is buffered.
-            // This means the unity rigidbody might be deleted before the rigidbody handle is invalidated.
-            // Conversely, rigidbodyHandle might be non-null but invalid.
-            if (unityRigidbody == null || !Handle.isValid) return;
-
-
-            CacheVelocities(stepTime);
-            var world = ObiColliderWorld.GetInstance();
-
-            var rb = world.rigidbodies[Handle.index];
-            rb.FromRigidbody(this);
-            world.rigidbodies[Handle.index] = rb;
-        }
-
-		/**
-		 * Reads velocities back from the solver.
-		 */
-		public override void UpdateVelocities(Vector3 linearDelta, Vector3 angularDelta)
-        {
-            // Rigidbody might not exist, as rigidbody deletion is buffered.
-            // This means the unity rigidbody might be deleted before the rigidbody handle is invalidated.
-            if (unityRigidbody == null) return;
-
-            // kinematic rigidbodies are passed to Obi with zero velocity, so we must ignore the new velocities calculated by the solver:
-            if (Application.isPlaying && !(unityRigidbody.isKinematic || kinematicForParticles))
-            {
-                if (Vector3.SqrMagnitude(linearDelta) > 0.00001f || Vector3.SqrMagnitude(angularDelta) > 0.00001f)
-                {
-                    unityRigidbody.linearVelocity += linearDelta;
-                    unityRigidbody.angularVelocity += angularDelta;
-                }
-            }
-        }
-	}
-}
-