trynna fix click handler being garbage collected

samples/main.rb

@@ -61,6 +61,13 @@ world.spawn do |e| # Name is optional
     animation1 = {tiles: tiles[0..3], frame_rate: 10, loop: true}
     c.animations = {idle: animation1}
     c.current_animation = :idle
+    ## For tilemaps
+    # tiles is an array of of tiles in sheet, largest one's w and h will be used. or width: height: to override
+    c.tilemap = Tilemap.new tiles
+    c.default_tile = tiles.first # default tile to use for empty spaces in the tilemap
+    c.auto_tile = true # tiles must follow pattern
+    # c.tile[x: 0, y: 0] = tiles[0] # set tile at position x,y in tilemap to a specific tile from the sheet (if no auto_tile is used)
+    c.tile[x: 0, y: 0] = true # true/false otherwise
   end
   e.add_component :render do |c|
     c.z_index = 0