示例#1
0
        public virtual void SortOverlappingPairs(IDispatcher dispatcher)
        {
            ObjectArray <BroadphasePair> tmpPairs = new ObjectArray <BroadphasePair>();

            tmpPairs.AddRange(m_overlappingPairArray);
            for (int i = 0; i < tmpPairs.Count; i++)
            {
                RemoveOverlappingPair(tmpPairs[i].m_pProxy0, tmpPairs[i].m_pProxy1, dispatcher);
            }

            for (int i = 0; i < m_next.Count; i++)
            {
                m_next[i] = BT_NULL_PAIR;
            }

            tmpPairs.Sort();
            //tmpPairs.quickSort(btBroadphasePairSortPredicate());

            for (int i = 0; i < tmpPairs.Count; i++)
            {
                AddOverlappingPair(tmpPairs[i].m_pProxy0, tmpPairs[i].m_pProxy1);
            }
        }
示例#2
0
        public virtual void SortOverlappingPairs(IDispatcher dispatcher)
        {
            ObjectArray<BroadphasePair> tmpPairs = new ObjectArray<BroadphasePair>();
            tmpPairs.AddRange(m_overlappingPairArray);
            for (int i = 0; i < tmpPairs.Count; i++)
            {
                RemoveOverlappingPair(tmpPairs[i].m_pProxy0, tmpPairs[i].m_pProxy1, dispatcher);
            }

            for (int i = 0; i < m_next.Count; i++)
            {
                m_next[i] = BT_NULL_PAIR;
            }

            tmpPairs.Sort();
            //tmpPairs.quickSort(btBroadphasePairSortPredicate());

            for (int i = 0; i < tmpPairs.Count; i++)
            {
                AddOverlappingPair(tmpPairs[i].m_pProxy0, tmpPairs[i].m_pProxy1);
            }
        }
		protected virtual void SolveConstraints(ContactSolverInfo solverInfo)
		{
			//sorted version of all btTypedConstraint, based on islandId
			ObjectArray<TypedConstraint> sortedConstraints = new ObjectArray<TypedConstraint>(GetNumConstraints());

			if (BulletGlobals.g_streamWriter != null && debugDiscreteDynamicsWorld)
			{
				BulletGlobals.g_streamWriter.WriteLine("solveConstraints");
			}


			for (int i = 0; i < GetNumConstraints(); i++)
			{
				sortedConstraints.Add(m_constraints[i]);
			}

			//	btAssert(0);

			//sortedConstraints.quickSort(btSortConstraintOnIslandPredicate());
			sortedConstraints.Sort(new SortConstraintOnIslandPredicate());

			ObjectArray<TypedConstraint> constraintsPtr = GetNumConstraints() > 0 ? sortedConstraints : null;

			InplaceSolverIslandCallback solverCallback = new InplaceSolverIslandCallback(solverInfo, m_constraintSolver, constraintsPtr, sortedConstraints.Count, m_debugDrawer, m_dispatcher1);

			if (BulletGlobals.g_streamWriter != null && debugDiscreteDynamicsWorld)
			{
				BulletGlobals.g_streamWriter.WriteLine("prepareSolve");
			}

			m_constraintSolver.PrepareSolve(GetCollisionWorld().GetNumCollisionObjects(), GetCollisionWorld().GetDispatcher().GetNumManifolds());

			if (BulletGlobals.g_streamWriter != null && debugDiscreteDynamicsWorld)
			{
				BulletGlobals.g_streamWriter.WriteLine("buildAndProcessIsland");
			}

			/// solve all the constraints for this island
			m_islandManager.BuildAndProcessIslands(GetCollisionWorld().GetDispatcher(), GetCollisionWorld(), solverCallback);

			solverCallback.ProcessConstraints();

			m_constraintSolver.AllSolved(solverInfo, m_debugDrawer);
		}
示例#4
0
        public void MergeContacts(ContactArray contacts, bool normal_contact_average)
        {
            Clear();

            if (contacts.Count == 0)
            {
                return;
            }


            if (contacts.Count == 1)
            {
                Add(contacts[0]);
                return;
            }

            ObjectArray <CONTACT_KEY_TOKEN> keycontacts = new ObjectArray <CONTACT_KEY_TOKEN>();

            keycontacts.Capacity = contacts.Count;

            //fill key contacts

            for (int i = 0; i < contacts.Count; i++)
            {
                keycontacts.Add(new CONTACT_KEY_TOKEN(contacts[i].CalcKeyContact(), i));
            }

            //sort keys

            keycontacts.Sort(new Comparison <CONTACT_KEY_TOKEN>(CONTACT_KEY_TOKEN.SortPredicate));


            // Merge contacts
            int coincident_count = 0;

            IndexedVector3[] coincident_normals = new IndexedVector3[MAX_COINCIDENT];

            uint last_key = keycontacts[0].m_key;
            uint key      = 0;

            Add(contacts[keycontacts[0].m_value]);

            GIM_CONTACT pcontact      = this[0];
            int         pcontactIndex = 0;

            for (int i = 1; i < keycontacts.Count; i++)
            {
                key = keycontacts[i].m_key;
                GIM_CONTACT scontact = contacts[keycontacts[i].m_value];

                if (last_key == key)//same points
                {
                    //merge contact
                    if (pcontact.m_depth - GIM_CONTACT.CONTACT_DIFF_EPSILON > scontact.m_depth)//)
                    {
                        //*pcontact = *scontact;
                        this[pcontactIndex] = scontact;
                        coincident_count    = 0;
                    }
                    else if (normal_contact_average)
                    {
                        if (Math.Abs(pcontact.m_depth - scontact.m_depth) < GIM_CONTACT.CONTACT_DIFF_EPSILON)
                        {
                            if (coincident_count < MAX_COINCIDENT)
                            {
                                coincident_normals[coincident_count] = scontact.m_normal;
                                coincident_count++;
                            }
                        }
                    }
                }
                else
                {//add new contact
                    if (normal_contact_average && coincident_count > 0)
                    {
                        pcontact.InterpolateNormals(coincident_normals, coincident_count);
                        coincident_count = 0;
                    }

                    Add(scontact);
                    pcontactIndex = Count - 1;
                    pcontact      = this[pcontactIndex];
                }
                last_key = key;
            }
        }