From 227905dce24c1dbdd585d3ca4fd2da67e67a1b72 Mon Sep 17 00:00:00 2001
From: NathanSweet <nathan.sweet@gmail.com>
Date: Sat, 12 Jan 2013 02:10:54 +0100
Subject: [PATCH] BinaryHeap, added peek().

---
 gdx/src/com/badlogic/gdx/utils/BinaryHeap.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gdx/src/com/badlogic/gdx/utils/BinaryHeap.java b/gdx/src/com/badlogic/gdx/utils/BinaryHeap.java
index 9e799290a..43ae84a5a 100644
--- a/gdx/src/com/badlogic/gdx/utils/BinaryHeap.java
+++ b/gdx/src/com/badlogic/gdx/utils/BinaryHeap.java
@@ -46,6 +46,11 @@ public class BinaryHeap<T extends BinaryHeap.Node> {
 		return node;
 	}
 
+	public Node peek () {
+		if (size == 0) throw new IllegalStateException("The heap is empty.");
+		return nodes[0];
+	}
+
 	public T pop () {
 		Node[] nodes = this.nodes;
 		Node popped = nodes[0];
-- 
2.11.0