def step(self):
self.energy -= 2
self.age = self.age + 1
if self.energy <= 0 or self.age > 300:
kill(self.location)
return
neighbor_space = choose_neighbor(self.location)
neighbor = g.creatures.get(neighbor_space)
if neighbor:
if type(neighbor) == SimPlant:
color_similarity = compare_color([self.r, self.g, self.b],
[neighbor.r, neighbor.g, neighbor.b])
if random.random() < color_similarity:
self.energy = self.energy + neighbor.energy
kill(neighbor_space)
neighbor = None
elif type(neighbor) == self.__class__:
might_have_space = True
while self.energy > 70 and might_have_space:
child_space = find_or_make_empty_space(
self.location, victims=[SimPlant])
if child_space:
self.energy = self.energy - 20
g.creatures[child_space] = breed(
self, neighbor, loc=child_space)
else:
might_have_space = False
if not neighbor: # either was empty or got eaten.
old_loc = self.location
self.location = neighbor_space
g.creatures[neighbor_space] = self
del g.creatures[old_loc]
self.energy = min(200, self.energy)
if self.energy == 200: # SOO MUCH ENERGY! GONNA BUD
child_space = find_or_make_empty_space(self.location, victims=[SimPlant])
if child_space:
g.creatures[child_space] = bud(self, loc=child_space)
self.energy == 100
def step_subclass(self):
self.energy -= self.metabolism
self.age = self.age + 1
if self.energy <= 0 or self.age > self.max_age:
kill(self.location)
return
neighbor_space = choose_neighbor(self.location)
neighbor = g.creatures.get(neighbor_space)
if neighbor:
if type(neighbor) == SimPlant:
color_similarity = compare_color([self.h, self.s, self.l],
[neighbor.h, neighbor.s, neighbor.l])
eat_chance = chance_to_eat([self.h, self.s, self.l],
[neighbor.h, neighbor.s, neighbor.l])
if random.random() < eat_chance:
self.energy = self.energy + neighbor.energy * color_similarity
self.energy = min(self.max_energy, self.energy)
kill(neighbor_space)
neighbor = None
elif type(neighbor) == self.__class__:
if self.energy > self.min_breed_energy:
child_space = find_or_make_empty_space(
self.location, victims=[SimPlant])
if child_space:
self.energy = self.energy - self.breed_energy_loss
g.creatures[child_space] = breed(
self, neighbor, loc=child_space)
if not neighbor: # either was empty or got eaten.
# move there
self.move(neighbor_space)
if self.energy > self.min_bud_energy: # SOO MUCH ENERGY! GONNA BUD
child_space = find_or_make_empty_space(self.location, victims=[SimPlant])
if child_space:
g.creatures[child_space] = bud(self, loc=child_space)
self.energy == self.energy - self.bud_energy_loss
def chance_to_eat(color1, color2):
similarity = compare_color(color1, color2)
return 0.4 * (similarity**4 + 0.05) # small constant chance to eat