def test_distance__1_tile_away():
e = Entity(x=0, y=0)
assert e.distance(1, 0) == 1
def test_distance__1_diagonal_tile_away():
e = Entity(x=0, y=0)
result = e.distance(1, 1)
result = round(result, 2) # Round to 2 decimal places
assert result == 1.41
def test_distance__same_point():
e = Entity(x=0, y=0)
assert e.x == 0
assert e.y == 0
assert e.distance(0, 0) == 0