41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
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""" CONTEXT MAP BUILDERS """
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import numpy as np
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def flat_context_map_builder(size):
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""" A context map where all positions are equally likely. """
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return np.ones((size, size))
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def hills_context_map_builder(size):
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""" A context map with bumps and valleys. """
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grid_ii, grid_jj = np.mgrid[0:size, 0:size]
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i_waves = np.sin(grid_ii / 130) + np.sin(grid_ii / 10)
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i_waves /= i_waves.max()
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j_waves = np.sin(grid_jj / 100) + np.sin(grid_jj / 50) + \
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np.sin(grid_jj / 10)
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j_waves /= j_waves.max()
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context_map = j_waves + i_waves
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return context_map
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def labyrinth_context_map_builder(size):
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""" A context map that looks like a labyrinth. """
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context_map = np.ones((size, size))
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context_map[50:100, 50:60] = 0
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context_map[20:89, 80:90] = 0
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context_map[90:120, 0:10] = 0
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context_map[120:size, 30:40] = 0
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context_map[180:190, 50:60] = 0
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context_map[50:60, 50:200] = 0
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context_map[179:189, 80:130] = 0
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context_map[110:120, 0:190] = 0
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context_map[120:size, 30:40] = 0
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context_map[180:190, 50:60] = 0
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return context_map
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