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Tile, Star, and Map classes for hexagon-grid rendering.
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Represents a single tile in a grid.
Attributes:
x (int): Column index of the tile.
y (int): Row index of the tile.
content (list): List of content items in this tile.
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A star located on a specific tile.
Attributes:
type (str): One of the allowed star types.
location (Tile): The Tile instance where the star resides.
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A hexagon-tiled map of arbitrary size.
Attributes:
rows (int): Number of rows.
cols (int): Number of columns.
tile_size (float): Size (radius) of each hexagon.
tiles (dict): Mapping of (x, y) => Tile objects.
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Returns an HTML (SVG) string representing the hexagonal grid.
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