def test_matrix_min_and_max(self):
m1 = [[-0.8, -0.5, 1.0, 2.6], [-0.8, -1.5, 8.8, 2.7]]
m2 = []
m3 = [[], []]
m4 = [[0.0]]
self.assertEqual((-1.5, 8.8), matrix_min_and_max(m1))
self.assertEqual((None, None), matrix_min_and_max(m2))
self.assertEqual((None, None), matrix_min_and_max(m3))
self.assertEqual((0.0, 0.0), matrix_min_and_max(m4))
def test_matrix_min_and_max(self):
m1 = [
[-0.8, -0.5, 1.0, 2.6],
[-0.8, -1.5, 8.8, 2.7]
]
m2 = []
m3 = [[], []]
m4 = [[0.0]]
self.assertEqual((-1.5, 8.8), matrix_min_and_max(m1))
self.assertEqual((None, None), matrix_min_and_max(m2))
self.assertEqual((None, None), matrix_min_and_max(m3))
self.assertEqual((0.0, 0.0), matrix_min_and_max(m4))
def sea_depth(world, sea_level):
sea_depth = [[sea_level - world.elevation['data'][y][x]
for x in range(world.width)] for y in range(world.height)]
for y in range(world.height):
for x in range(world.width):
if world.tiles_around((x, y), radius=1, predicate=world.is_land):
sea_depth[y][x] = 0
elif world.tiles_around((x, y), radius=2, predicate=world.is_land):
sea_depth[y][x] *= 0.3
elif world.tiles_around((x, y), radius=3, predicate=world.is_land):
sea_depth[y][x] *= 0.5
elif world.tiles_around((x, y), radius=4, predicate=world.is_land):
sea_depth[y][x] *= 0.7
elif world.tiles_around((x, y), radius=5, predicate=world.is_land):
sea_depth[y][x] *= 0.9
sea_depth = anti_alias(sea_depth, 10)
min_depth, max_depth = matrix_min_and_max(sea_depth)
sea_depth = [[rescale_value(sea_depth[y][x], min_depth,
max_depth, 0.0, 1.0)
for x in range(world.width)] for y in
range(world.height)]
return sea_depth
def sea_depth(world, sea_level):
sea_depth = [[
sea_level - world.elevation['data'][y][x] for x in range(world.width)
] for y in range(world.height)]
for y in range(world.height):
for x in range(world.width):
if world.tiles_around((x, y), radius=1, predicate=world.is_land):
sea_depth[y][x] = 0
elif world.tiles_around((x, y), radius=2, predicate=world.is_land):
sea_depth[y][x] *= 0.3
elif world.tiles_around((x, y), radius=3, predicate=world.is_land):
sea_depth[y][x] *= 0.5
elif world.tiles_around((x, y), radius=4, predicate=world.is_land):
sea_depth[y][x] *= 0.7
elif world.tiles_around((x, y), radius=5, predicate=world.is_land):
sea_depth[y][x] *= 0.9
sea_depth = anti_alias(sea_depth, 10)
min_depth, max_depth = matrix_min_and_max(sea_depth)
sea_depth = [[
rescale_value(sea_depth[y][x], min_depth, max_depth, 0.0, 1.0)
for x in range(world.width)
] for y in range(world.height)]
return sea_depth
