def everything_within_given_distance_on(the_map, distance, position):
"""Iterates through everything on the_map.bldngs_n_rsrcs that is
within the given distance of position.
This portion of the_map is in the shape of a diamond.
position must be of type Position
distance must be a non-negative int"""
if not type(distance) is int:
print('distance must be an int')
return
if distance < 0:
print('distance must not be negative')
return
# The following is the center of the diamond-shaped portion of the map.
x0, y0 = position.value
# The following iterates through the diamond shaped portion of the_map
# from bottom to top, left to right.
for y_delta in range(-1 * distance, distance + 1):
sign_to_mult_by = 1 if y_delta <= 0 else -1
horizontal_radius = distance + y_delta * sign_to_mult_by
# height is how far up or down the map, we need to go
for x_delta in range(-1 * horizontal_radius, horizontal_radius + 1):
x = x0 + x_delta
y = y0 + y_delta
this_position = Position(x, y)
if this_position.is_on_the_map(the_map):
yield the_map.bldngs_n_rsrcs[y][x]
for j in range(60, 61):
game_map.bldngs_n_rsrcs[i][j] = Iron(Position(j, i))
if __name__ == '__main__':
for tpl in ((60, 75), (62, 78), (64, 84), (50, 50)):
position = Position(*tpl)
print(position, game_map(position))
# print(game_map)
# print('-------------------------------------------------------------------')
# game_map.print_centered_at(Position(50, 60))
# print('-------------------------------------------------------------------')
# game_map.print_centered_at(Position(90, 50))
# print_map(game_map)
# The following code was run for various values of distance and Position(i, j):
# When it was run, the code within the function everything_within_given_distance_on
# was uncommented so that the map was modified.
# for i in everything_within_given_distance_on(game_map, 20, Position(5, 92)):
# pass
# print_map(game_map)
# pos1 = Position(5, 6)
# vec1 = Vector(2, -1)
# print(pos1 - vec1)
# print(vec1.magnitude)
if game_map.height == 100 and game_map.width == 100:
for tpl in ((-1, 5), (100, 20), (90, 100), (120, 200)):
position = Position(*tpl)
assert not position.is_on_the_map(game_map)