From 1c6b6f7d87cf792136a1d9513e78f82d5dead584 Mon Sep 17 00:00:00 2001
From: Piotr Usewicz <piotr@layer22.com>
Date: Tue, 7 May 2024 07:55:03 +0200
Subject: [PATCH] Use cellid for comparison

---
 lib/wave_function_collapse/cell.rb | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/wave_function_collapse/cell.rb b/lib/wave_function_collapse/cell.rb
index 1e39b4d..99df4a3 100644
--- a/lib/wave_function_collapse/cell.rb
+++ b/lib/wave_function_collapse/cell.rb
@@ -1,20 +1,23 @@
 module WaveFunctionCollapse
   class Cell
-    attr_reader :tiles
+    @@cellid = 0
+    attr_reader :tiles, :cellid
     attr_accessor :collapsed, :entropy, :x, :y
     alias_method :collapsed?, :collapsed
 
     def initialize(x, y, tiles)
+      @cellid = @@cellid
       @collapsed = tiles.size == 1
       @entropy = tiles.size
       @tiles = tiles
       @neighbors = {}
       @x = x
       @y = y
+      @@cellid += 1
     end
 
     def ==(other)
-      @x == other.x && @y == other.y
+      @cellid == other.cellid
     end
 
     def tiles=(new_tiles)