40 lines
1.0 KiB
Python
40 lines
1.0 KiB
Python
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from math import ceil
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class Coordinates(object):
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def __init__(self, row, col):
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self.row = row
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self.col = col
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# set the cube coordinates of the hexagon as [x, y, z]
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self.cube_coords = self.even_r_to_cube(self.row, self.col)
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@staticmethod
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def even_r_to_cube(row, col):
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"""compute cube coordinates from even-r hex coordinates"""
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x = int(col - ceil(float(row) / 2))
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z = row
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y = - x - z
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return [x, y, z]
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@staticmethod
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def cube_to_even_r(x, y, z):
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row = int(x + ceil(z / 2))
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col = z
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return [row, col]
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@property
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def even_r_coords(self):
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"""return even-r coordinates of the hexagon."""
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return self.cube_to_even_r(*self.cube_coords)
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@even_r_coords.setter
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def even_r_coords(self, value):
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self.cube_coords = self.even_r_to_cube(*value)
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def even_r_coordinate_text(self):
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return '{}'.format(self.even_r_coords)
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def cube_coordinate_text(self):
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return '{!r}'.format(self.cube_coords)
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