Function leaf_copy

docs/app/js/sanddance-app.js:135874–135882

(leaf)

    this._root = undefined;
}
function leaf_copy(leaf) {
    var copy = {
        data: leaf.data
    }, next = copy;
    while(leaf = leaf.next)next = next.next = {
        data: leaf.data
    };
    return copy;
}
var treeProto = quadtree.prototype = Quadtree.prototype;
treeProto.copy = function() {
    var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), node = this._root, nodes, child;