def __init__(self, name, world, position=None, energy=30):
self._name = name
self._world = world
if position:
self._position = position
else:
self._position = WorldPoint(world, 0, 0)
self._energy = energy
self._world.set(self.get_position(), self)
class Nibble(object):
def __init__(self, name, world, position=None, energy=30):
self._name = name
self._world = world
if position:
self._position = position
else:
self._position = WorldPoint(world, 0, 0)
self._energy = energy
self._world.set(self.get_position(), self)
def move_code(self, code):
code = int(code)
movement = code_to_movement(code)
return self.move(movement[0], movement[1])
def move(self, dx, dy):
denergy = movement_to_energy(dx, dy)
self._energy -= denergy
self._world.move(self.get_position(), dx, dy)
self._position.move(dx, dy)
def get_name(self):
return self._name
def is_alive(self):
return self._energy > 0
def get_position(self):
return self._position
def get_position_x(self):
return self._position._x
def get_position_y(self):
return self._position._y
def get_energy(self):
return self._energy
def compare_energy(self, other):
if self.get_energy() > other.get_energy():
return 1
elif self.get_energy() < other.get_energy():
return -1
else:
return 0
def eat(self, other):
if isinstance(other, Nibble):
compare = self.compare_energy(other)
if compare < 0:
self._energy += other.get_energy()
other._energy = 0
else:
other._energy += self.get_energy()
self._energy = 0
else:
self._energy += 5
def __str__(self):
return "%s (%s)" % (self.get_name(), self.get_position())
def test_move_positive(self):
p = WorldPoint(self.world)
p.move(15, 14)
assert_equal(p.get_x(), 5)
assert_equal(p.get_y(), 4)
def test_move_negative(self):
p = WorldPoint(self.world)
p.move(-3, -16)
assert_equal(p.get_x(), 7)
assert_equal(p.get_y(), 4)
def test_init(self):
p = WorldPoint(self.world)
assert_equal(p.get_x(), 0)
assert_equal(p.get_y(), 0)