Source/HexGrid.h
author Jens Alfke <jens@mooseyard.com>
Wed Jul 09 17:07:45 2008 -0700 (2008-07-09)
changeset 15 73f8c889f053
permissions -rw-r--r--
More tweaks, including a "reversed" property for Grids to show the second player's perspective without turning the pieces upside-down.
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/*  This code is based on Apple's "GeekGameBoard" sample code, version 1.0.
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    http://developer.apple.com/samplecode/GeekGameBoard/
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    Copyright © 2007 Apple Inc. Copyright © 2008 Jens Alfke. All Rights Reserved.
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    Redistribution and use in source and binary forms, with or without modification, are permitted
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    provided that the following conditions are met:
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    * Redistributions of source code must retain the above copyright notice, this list of conditions
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      and the following disclaimer.
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    * Redistributions in binary form must reproduce the above copyright notice, this list of
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      conditions and the following disclaimer in the documentation and/or other materials provided
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      with the distribution.
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    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
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    FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
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    BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
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    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
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    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
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    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "Grid.h"
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/** Hexagonal grid.
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    The hexes are oriented with points facing up and down.
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    The coords are still rectangular, since the hexes line up in straight horizontal rows,
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    but every odd-numbered row of hexes is offset slightly to the right. */
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@interface HexGrid : Grid
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{
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    CGFloat _side, _capHeight;
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    CGPathRef _cellPath;
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}
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/** Similar to -addAllCells, but only adds enough cells to create a hexagonal board. */
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- (void) addCellsInHexagon;
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@end
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@interface Hex : GridCell
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@property (readonly) Hex *nw, *ne, *e, *se, *sw, *w;    // Absolute directions (n = increasing row#)
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@property (readonly) Hex *fl, *fr, *r, *br, *bl, *l;    // Relative to player (upside-down for player 2)
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@end