diff -r 000000000000 -r 45c82a071aca Source/HexGrid.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/HexGrid.h	Wed May 28 12:47:10 2008 -0700
@@ -0,0 +1,47 @@
+/*  This code is based on Apple's "GeekGameBoard" sample code, version 1.0.
+    http://developer.apple.com/samplecode/GeekGameBoard/
+    Copyright © 2007 Apple Inc. Copyright © 2008 Jens Alfke. All Rights Reserved.
+
+    Redistribution and use in source and binary forms, with or without modification, are permitted
+    provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, this list of conditions
+      and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice, this list of
+      conditions and the following disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+    FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
+    BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#import "Grid.h"
+
+
+/** Hexagonal grid.
+    The hexes are oriented with points facing up and down.
+    The coords are still rectangular, since the hexes line up in straight horizontal rows,
+    but every odd-numbered row of hexes is offset slightly to the right. */
+@interface HexGrid : Grid
+{
+    CGFloat _side, _capHeight;
+    CGPathRef _cellPath;
+}
+
+/** Similar to -addAllCells, but only adds enough cells to create a hexagonal board. */
+- (void) addCellsInHexagon;
+
+@end
+
+
+@interface Hex : GridCell
+
+@property (readonly) Hex *nw, *ne, *e, *se, *sw, *w;    // Absolute directions (n = increasing row#)
+@property (readonly) Hex *fl, *fr, *r, *br, *bl, *l;    // Relative to player (upside-down for player 2)
+
+@end
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