y_range_end = absolute_position.y + fov_radius
x_range_start = absolute_position.x - fov_radius
x_range_end = absolute_position.x + fov_radius
y_range_end = absolute_position.y + fov_radius
x_range_start = absolute_position.x - fov_radius
x_range_end = absolute_position.x + fov_radius
for position in self.changed_tiles:
if position.y < y_range_start\
or position.y > y_range_end:
for position in self.changed_tiles:
if position.y < y_range_start\
or position.y > y_range_end: