layer of indirection for rooms

1 files changed, 7 insertions, 0 deletions

diff --git a/assets/javascripts/rectangles/tree.js b/assets/javascripts/rectangles/tree.js
index f5eb117..577c41a 100644
--- a/assets/javascripts/rectangles/tree.js
+++ b/assets/javascripts/rectangles/tree.js
@@ -15,6 +15,13 @@ tree.prototype.add = function(n, data){
 	if (n < closest.value) return closest.lo = new tree(n, data)
 	if (n > closest.value) return closest.hi = new tree(n, data)
 }
+tree.prototype.toArray = function(){
+	var a = []
+	if (this.lo) a = a.concat(this.lo.toArray())
+	a.push(this.data)
+	if (this.hi) a = a.concat(this.hi.toArray())
+	return a
+}
 tree.prototype.toString = function(){
 	var s = "";
 	if (this.lo) s += this.lo.toString()