Example #1
0
        public void Update()
        {
            QuadTree quadTree = CreateQuadTree(Bounds);

            _quadTreeDataCollection.Clear();
            foreach (ICollisionActor collisionActor in _collisionActors)
            {
                var quadTreeData = new QuadTreeData(collisionActor.GetCollider(), collisionActor);
                _quadTreeDataCollection.Add(quadTreeData);
                quadTree.Insert(quadTreeData);
            }

            var queryResult = new List <QuadTreeData>();

            for (var i = 0; i < _quadTreeDataCollection.Count; i++)
            {
                QuadTreeData quadTreeData = _quadTreeDataCollection[i];
                quadTree.Query(quadTreeData.Collider, queryResult);
                for (var index = 0; index < queryResult.Count; index++)
                {
                    QuadTreeData other = queryResult[index];
                    if (other.Equals(quadTreeData))
                    {
                        continue;
                    }

                    Vector2 penetrationVector = quadTreeData.Collider.CalculatePenetrationVector(other.Collider);
                    quadTreeData.CollisionActor.HandleCollision(new Collision
                    {
                        Penetration = penetrationVector, Other = other.CollisionActor
                    });
                }

                queryResult.Clear();
            }

            for (var index = 0; index < _activeQuadTrees.Count; index++)
            {
                QuadTree activeQuadTree = _activeQuadTrees[index];
                _inactiveQuadTrees.Push(new WeakReference <QuadTree>(activeQuadTree));
            }

            _activeQuadTrees.Clear();
        }
Example #2
0
 public bool Equals(QuadTreeData quadTree)
 {
     return(CollisionActor == quadTree.CollisionActor);
 }