T[] GetCollisionObjectsFromAChild(Vector2 checkPoint, float checkRadius, QuadtreeWithNestedClass <T> child) { if (child._field.PointToFieldDistance(checkPoint) <= _maxRadius + checkRadius) //这里不光要考虑到检测半径,还要考虑到节点最大半径 { return(child.CheckCollision(checkPoint, checkRadius)); } return(new T[0]); }
public QuadtreeWithNestedClass(float top, float right, float bottom, float left, int maxLeafNumber, float minSideLength, QuadtreeWithNestedClass <T> root = null, QuadtreeWithNestedClass <T> parent = null) { _field = new Field(top, right, bottom, left); _maxLeafsNumber = maxLeafNumber; _minSideLength = minSideLength; _root = root != null ? root : this; _parent = parent; }
void Split() { Debug.Log("<color=#808000>位置在" + _field.top + "," + _field.right + "," + _field.bottom + "," + _field.left + "的树梢节点达到分割条件,进行分割</color>"); Update(); float xCenter = (_field.left + _field.right) / 2; float yCenter = (_field.bottom + _field.top) / 2; _upperRightChild = new QuadtreeWithNestedClass <T>(_field.top, _field.right, yCenter, xCenter, _maxLeafsNumber, _minSideLength, _root, this); _lowerRightChild = new QuadtreeWithNestedClass <T>(yCenter, _field.right, _field.bottom, xCenter, _maxLeafsNumber, _minSideLength, _root, this); _lowerLeftChild = new QuadtreeWithNestedClass <T>(yCenter, xCenter, _field.bottom, _field.left, _maxLeafsNumber, _minSideLength, _root, this); _upperLeftChild = new QuadtreeWithNestedClass <T>(_field.top, xCenter, yCenter, _field.left, _maxLeafsNumber, _minSideLength, _root, this); foreach (Leaf leaf in _leafs) { SetLeafToChildren(leaf); } _leafs = null; }
public static bool RemoveLeaf(QuadtreeWithNestedClass <GameObject> .Leaf leaf) { return(_quadtree.RemoveLeaf(leaf)); }
public static GameObject[] CheckCollision(QuadtreeWithNestedClass <GameObject> .Leaf leaf) { return(_quadtree.CheckCollision(leaf)); }
private void Awake() { _quadtree = new QuadtreeWithNestedClass <GameObject>(_top, _right, _bottom, _left, _maxLeafsNumber, _minSideLength); }
QuadtreeWithNestedClass <GameObject> .Leaf _leaf; //因为叶子变成了四叉树的内部类,这里就需要通过 四叉树类.叶子类 来表示叶子类 private void Awake() { _transform = transform; _leaf = new QuadtreeWithNestedClass <GameObject> .Leaf(gameObject, GetLeafPosition(), _radius); }